Journal of Animal and Feed Sciences - Articles by M. Czauderna

REVIEW PAPER

Selected physiological effects of boron compounds for animals and humans. A review

M. Białek, M. Czauderna, K. A. Krajewska, W. Przybylski

J. Anim. Feed Sci. 2019;28(4):307–320

DOI: https://doi.org/10.22358/jafs/114546/2019

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ORIGINAL PAPER

Selenium supplementation into diets containing carnosic acid, fish and rapeseed oils affects the chemical profile of whole blood in lambs

M. Czauderna, M. Białek, K. A. Krajewska, A. Ruszczyńska, E. Bulska

J. Anim. Feed Sci. 2017;26(3):192–203

DOI: https://doi.org/10.22358/jafs/76594/2017

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REVIEW PAPER

Conjugated linolenic acid (CLnA) isomers as new bioactive lipid compounds in ruminant-derived food products. A review

M. Białek, M. Czauderna, A. Białek

J. Anim. Feed Sci. 2017;26(1):3–17

DOI: https://doi.org/10.22358/jafs/68862/2017

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ORIGINAL PAPER

Selenium species in diet containing carnosic acid, fish and rapeseed oils affect fatty acid profiles in lamb muscles

A. J. Rozbicka-Wieczorek, M. Czauderna, E. Więsyk, A. Radzik-Rant

J. Anim. Feed Sci. 2016;25(3):216–225

DOI: https://doi.org/10.22358/jafs/65555/2016

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ORIGINAL PAPER

The effect of dietary fat, vitamin E and selenium concentrations on the fatty acid profile and oxidative stability of frozen stored broiler meat

P. Konieczka, M. Czauderna, A. Rozbicka-Wieczorek, S. Smulikowska

J. Anim. Feed Sci. 2015;24(3):244–251

DOI: https://doi.org/10.22358/jafs/65630/2015

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ORIGINAL PAPER

Incorporation of endogenous urea nitrogen into amino acids of milk in goats fed diets with various protein levels

J. P. Michalski, M. Czauderna, W. Litwin, N. Puzio, J. Kowalczyk

J. Anim. Feed Sci. 2014;23(3):212–216

DOI: https://doi.org/10.22358/jafs/65681/2014

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ORIGINAL PAPER

Improved derivatization of malondialdehyde with 2-thiobarbituric acid for evaluation of oxidative stress in selected tissues of chickens

P. Konieczka, A. J. Rozbicka-Wieczorek, E. Więsyk, S. Smulikowska, M. Czauderna

J. Anim. Feed Sci. 2014;23(2):190–197

DOI: https://doi.org/10.22358/jafs/65709/2014

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ORIGINAL PAPER

Incorporation of endogenous urea nitrogen into the amino acids of bacterial protein in the rumen of goats fed diets with various protein levels

J. P. Michalski, J. Kowalczyk, M. Czauderna, W. Litwin

J. Anim. Feed Sci. 2013;22(4):311–315

DOI: https://doi.org/10.22358/jafs/65918/2013

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ORIGINAL PAPER

Dietary lycopenes, selenium compounds and fish oil affect the profile of fatty acids and oxidative stress in chicken breast muscle

A. J. Rozbicka-Wieczorek, E. Szarpak, F. Brzóska, B. Śliwiński, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2012;21(4):705–724

DOI: https://doi.org/10.22358/jafs/66143/2012

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ORIGINAL PAPER

Efficiency of endogenous urea ¹⁵N nitrogen incorporation into bacterial and milk protein of goats fed diets with three different protein levels

J. P. Michalski, J. Kowalczyk, J. Voigt, H. M. Hammon, M. Czauderna, C. C. Metges

J. Anim. Feed Sci. 2012;21(4):599–612

DOI: https://doi.org/10.22358/jafs/66134/2012

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ORIGINAL PAPER

The effects of diets enriched in omega-3 fatty acids on carcass characteristics and the fatty acid profile of intramuscular and subcutaneous fat in pigs

M. Wojtasik, S. Raj, G. Skiba, D. Weremko, M. Czauderna

J. Anim. Feed Sci. 2012;21(4):635–647

DOI: https://doi.org/10.22358/jafs/66137/2012

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ORIGINAL PAPER

Selenite and selenate affected the fatty acid profile in in vitro incubated ovine ruminal fluid containing linoleic acid

M. Czauderna, J. Kowalczyk, R. J. Wallace

J. Anim. Feed Sci. 2012;21(3):477–492

DOI: https://doi.org/10.22358/jafs/66121/2012

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ORIGINAL PAPER

Dietary linseed oil and selenate affect the concentration of fatty acids and selenium in the spleen, pancreas, and kidneys of lambs

K. A. Krajewska, A. J. Rozbicka-Wieczorek, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2012;21(2):285–301

DOI: https://doi.org/10.22358/jafs/66077/2012

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ORIGINAL PAPER

Dietary conjugated linoleic acid isomers and selenite or selenized yeast affect fatty acid concentration in the kidneys of rats

M. Czauderna, J. Kowalczyk, K. A. Krajewska, A. J. Rozbicka-Wieczorek

J. Anim. Feed Sci. 2011;20(3):432–448

DOI: https://doi.org/10.22358/jafs/66198/2011

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ORIGINAL PAPER

The influence of dietary fatty acids on their metabolism in liver and subcutaneous fat in growing pigs

G. Skiba, E. Poławska, S. Raj, D. Weremko, M. Czauderna, M. Wojtasik

J. Anim. Feed Sci. 2011;20(3):379–388

DOI: https://doi.org/10.22358/jafs/66193/2011

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ORIGINAL PAPER

Selenite, selenized yeast, or conjugated linoleic acid isomers supplemented to the diet influence the fatty acid profile in the spleen and blood plasma of rats

M. Czauderna, J. Kowalczyk, K. A. Krajewska, L'. Leng

J. Anim. Feed Sci. 2010;19(4):613–627

DOI: https://doi.org/10.22358/jafs/66335/2010

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REVIEW PAPER

The necessity of adequate nutrition with diets containing omega-3 and omega-6 fatty acids for proper brain development, function and delayed aging: Review

K. Kochman, M. Czauderna

J. Anim. Feed Sci. 2010;19(4):511–524

DOI: https://doi.org/10.22358/jafs/66317/2010

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ORIGINAL PAPER

The effect of conjugated linoleic acid isomers, selenite and selenized yeast supplemented to the diet on the fatty acid profile in the pancreas of rats

M. Czauderna, J. Kowalczyk, K. A. Krajewska

J. Anim. Feed Sci. 2010;19(3):495–508

DOI: https://doi.org/10.22358/jafs/66314/2010

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ORIGINAL PAPER

Effect of a protein level in the diet on fatty acid profile in goat milk

M. Czauderna, J. Kowalczyk, J. P. Michalski

J. Anim. Feed Sci. 2010;19(2):211–217

DOI: https://doi.org/10.22358/jafs/66282/2010

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ORIGINAL PAPER

The dietary level of selenite and selenized yeast influences the concentrations of selected fatty acids in the abdominal fat and brain of rats

M. Czauderna, J. Kowalczyk, K. A. Krajewska, J. P. Michalski

J. Anim. Feed Sci. 2010;19(1):113–129

DOI: https://doi.org/10.22358/jafs/66275/2010

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ORIGINAL PAPER

Dietary selenite and conjugated linoleic acid isomers influence fatty acid concentrations in the liver and femoral muscles of rats

M. Czauderna, J. Kowalczyk, K. A. Krajewska, A. J. Rozbicka, J. P. Michalski

J. Anim. Feed Sci. 2009;18(3):564–581

DOI: https://doi.org/10.22358/jafs/66432/2009

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ORIGINAL PAPER

Dietary selenized yeast and CLA isomer mixture affect fatty- and amino acid concentrations in the femoral muscles and liver of rats

M. Czauderna, J. Kowalczyk, K. M. Niedźwiedzka, L. Leng, K. Cobanova

J. Anim. Feed Sci. 2009;18(2):348–361

DOI: https://doi.org/10.22358/jafs/66399/2009

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ORIGINAL PAPER

Influence of selenate and linseed oil on fatty-acid and amino-acid profiles in the liver, muscles, fat tissues and blood plasma of sheep

K. M. Niedźwiedzka, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2008;17(3):328–343

DOI: https://doi.org/10.22358/jafs/66612/2008

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ORIGINAL PAPER

Lactic acid can be easily and precisely determined by reversed-phase high performance liquid chromatography with pre-column derivatization

M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 2008;17(2):268–279

DOI: https://doi.org/10.22358/jafs/66606/2008

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ORIGINAL PAPER

Comparison of the influence of different chemical forms of selenium and the profiles of CLA isomers in the diet on the fatty acid and amino acid contents in the liver and femoral muscles of rats

M. Czauderna, J. Kowalczyk, K. Korniluk, K. M. Niedźwiedzka

J. Anim. Feed Sci. 2007;16(4):678–695

DOI: https://doi.org/10.22358/jafs/66825/2007

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SHORT COMMUNICATION

Response of milk fatty acid profile to various protein levels in goat diets with similar fatty acid content

M. Czauderna, J. Kowalczyk, T. Żebrowska, J. P. Michalski, I. Wąsowska

J. Anim. Feed Sci. 2007;16(Suppl. 2):548–553

DOI: https://doi.org/10.22358/jafs/74605/2007

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ORIGINAL PAPER

Influence of dietary CLA isomers and selenium compounds on the fatty acid and amino acid profiles in blood plasma of rats

K. M. Niedźwiedzka, K. Korniluk, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2007;16(2):257–273

DOI: https://doi.org/10.22358/jafs/66747/2007

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ORIGINAL PAPER

The influence of dietary conjugated linoleic acid isomers and selenized yeast on the fatty acid profile of the spleen, pancreas and kidneys of rats

K. Korniluk, M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 2007;16(1):121–139

DOI: https://doi.org/10.22358/jafs/66733/2007

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ORIGINAL PAPER

The use of developed chromatographic techniques to determine vitamin E and conjugated linoleic acid isomers in milk of cows

M. Czauderna, J. Kowalczyk, S. K. Jensen, K. Sejrsen, M. T. Sørensen

J. Anim. Feed Sci. 2007;16(Suppl. 1):90–96

DOI: https://doi.org/10.22358/jafs/74120/2007

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SHORT COMMUNICATION

The influence of selenium on the level of linoleic acid isomers in incubated ruminal fluid

I. Wąsowska, M. Czauderna, J. Kowalczyk, R. J. Wallace

J. Anim. Feed Sci. 2006;15(Suppl. 1):97–100

DOI: https://doi.org/10.22358/jafs/70152/2006

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The influence of dietary conjugated linoleic acid isomers on the essential amino acid profile in rats

K. M. Niedźwiedzka, M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 2006;15(Suppl. 1):69–72

DOI: https://doi.org/10.22358/jafs/70145/2006

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The concentration of conjugated linoleic acid isomers and their metabolites in the abdominal fat of rats

K. Korniluk, M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 2006;15(Suppl. 1):61–64

DOI: https://doi.org/10.22358/jafs/70143/2006

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ORIGINAL PAPER

The inﬂuence of dietary conjugated linoleic acid isomers and Se on the fatty acid profile in rat blood plasma and selected tissues

K. M. Niedźwiedzka, I. Wąsowska, M. Czauderna, J. Kowalczyk, B. Pastuszewska

J. Anim. Feed Sci. 2006;15(3):471–489

DOI: https://doi.org/10.22358/jafs/66918/2006

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ORIGINAL PAPER

Influence of dietary conjugated linoleic acid isomers and selenium on growth, feed efficiency, and liver fatty acid profile in rats

K. Korniluk, M. Czauderna, J. Kowalczyk, A. Mieczkowska, M. Taciak, L'. Leng

J. Anim. Feed Sci. 2006;15(1):131–146

DOI: https://doi.org/10.22358/jafs/66874/2006

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SHORT COMMUNICATION

Improving the analysis of fatty acids using a combination of gas chromatography and Ag⁺ liquid chromatography

M. Czauderna, J. Kowalczyk, K. Korniluk, I. Wąsowska

J. Anim. Feed Sci. 2005;14(Suppl. 1):563–566

DOI: https://doi.org/10.22358/jafs/70737/2005

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Dietary conjugated linoleic acid isomers and selenium affect the fatty acid profile in rat liver

M. Czauderna, J. Kowalczyk, K. Korniluk, I. Wąsowska, B. Pastuszewska

J. Anim. Feed Sci. 2005;14(Suppl. 1):533–536

DOI: https://doi.org/10.22358/jafs/70727/2005

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Effect of dietary CLA isomers on selenium, zinc, copper, chromium, magnesium and calcium levels in rat liver

M. Czauderna, J. Kowalczyk, E. Bulska, K. Boldižarova, K. M. Niedźwiedzka, A. Ruszczyńska, Ľ. Leng

J. Anim. Feed Sci. 2005;14(Suppl. 1):529–532

DOI: https://doi.org/10.22358/jafs/70726/2005

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Inﬂuence of dietary conjugated linoleic acid (CLA) on the fatty acid content and CLA profile of egg yolks in laying hens

M. Czauderna, J. Kowalczyk, P. M. Pisulewski, K. Korniluk

J. Anim. Feed Sci. 2005;14(Suppl. 1):435–438

DOI: https://doi.org/10.22358/jafs/70700/2005

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Relationship between mineral and protein deposition in restricted and realimented pigs

D. Weremko, H. Fandrejewski, S. Raj, G. Skiba, M. Czauderna

J. Anim. Feed Sci. 2005;14(Suppl. 1):413–416

DOI: https://doi.org/10.22358/jafs/70593/2005

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SHORT COMMUNICATION

Excretion routes and distribution of selenium in sheep tissues after selenite loading

V. Petrović, K. Boldižárová, Š. Faix, J. Kowalczyk, M. Czauderna, M. Mellen, L’. Leng

J. Anim. Feed Sci. 2005;14(Suppl. 1):303–306

DOI: https://doi.org/10.22358/jafs/70546/2005

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Effects of pre- and postpartum injections of Se, Zn and vitamin E on their concentration in ewes milk

M. Gabryszczuk, M. Czauderna, M. A. Gralak, Z. Antoszkiewicz

J. Anim. Feed Sci. 2005;14(Suppl. 1):255–258

DOI: https://doi.org/10.22358/jafs/70532/2005

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Short-term vasopressin analogue treatment does not inﬂuence the nitrogen balance in sheep

Š. Faix, Ľ. Leng, J. J. Pająk, K. Boldižárová, Z. Faixová, M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 2005;14(Suppl. 1):251–254

DOI: https://doi.org/10.22358/jafs/70526/2005

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ORIGINAL PAPER

The effect of linseed oil and selenium on the content of fatty acids and some elements in the liver and selected tissues of sheep

M. Czauderna, J. Kowalczyk, K. M. Niedźwiedzka, I. Wąsowska, J. J. Pająk, E. Bulska, A. Ruszczyńska

J. Anim. Feed Sci. 2004;13(Suppl. 2):105–108

DOI: https://doi.org/10.22358/jafs/70316/2004

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SHORT COMMUNICATION

A highly efficient method for determination of allantoin in ruminal digesta, ovine urine and blood serum by HPLC

M. Czauderna, J. Kowalczyk, J. Skomiał, K. M. Niedźwiedzka

J. Anim. Feed Sci. 2004;13(Suppl. 2):67–70

DOI: https://doi.org/10.22358/jafs/70300/2004

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Effect of adding fat to the diet for lambs on the fatty acid profile of intramuscular, perirenal and subcutaneous fat

M. Szumacher-Strabel, A. Potkański, A. Cieślak, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2004;13(Suppl. 1):355–358

DOI: https://doi.org/10.22358/jafs/73936/2004

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The effect of selenium and linseed oil on growth of sheep and content of selected fatty acids in M. longissimus dorsi

M. Czauderna, J. Kowlaczyk, K. M. Niedźwiedzka, I. Wąsowska, J. J. Pająk

J. Anim. Feed Sci. 2004;13(Suppl. 1):303–306

DOI: https://doi.org/10.22358/jafs/73923/2004

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Simultaneous determination of purine metabolites in ovine urine and blood plasma by high-performance liquid chromatography

M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 2004;13(Suppl. 1):55–58

DOI: https://doi.org/10.22358/jafs/73737/2004

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ORIGINAL PAPER

Liver and body mass gain, content of conjugated linoleic acid (CLA) isomers and other fatty acids in the liver of rats fed CLA isomers and selenium

M. Czauderna, J. Kowalczyk, K. M. Niedźwiedzka, I. Wąsowska, B. Pastuszewska, E. Bulska, A. Ruszczyńska

J. Anim. Feed Sci. 2004;13(2):353–369

DOI: https://doi.org/10.22358/jafs/67419/2004

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ORIGINAL PAPER

Conjugated linoleic acid (CLA) content and fatty acids composition of muscle in rats fed isomers of CLA and selenium

M. Czauderna, J. Kowalczyk, K. M. Niedźwiedzka, I. Wąsowska, B. Pastuszewska

J. Anim. Feed Sci. 2004;13(1):183–196

DOI: https://doi.org/10.22358/jafs/67402/2004

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ORIGINAL PAPER

The effects of selenium and conjugated linoleic acid (CLA) isomers on fatty acid composition, CLA isomer content in tissues, and growth of rats

M. Czauderna, J. Kowalczyk, I. Wąsowska, K. M. Niedźwiedzka, B. Pastuszewska

J. Anim. Feed Sci. 2003;12(4):865–881

DOI: https://doi.org/10.22358/jafs/67781/2003

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ORIGINAL PAPER

The urinary excretion of purine derivatives in sheep is not inﬂuenced by long term treatment with vasopressin

Š. Faix, Ľ. Leng, J. J. Pająk, M. Czauderna, Z. Faixová, K. Boldižárová, J. Kowalczyk

J. Anim. Feed Sci. 2003;12(3):513–520

DOI: https://doi.org/10.22358/jafs/67727/2003

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ORIGINAL PAPER

Determination of conjugated linoleic acid isomers by liquid chromatography and photodiode array detection

M. Czauderna, J. Kowalczyk, I. Wąsowska, K. M. Niedźwiedzka

J. Anim. Feed Sci. 2003;12(2):369–382

DOI: https://doi.org/10.22358/jafs/67717/2003

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Fatty acid ﬂow to the duodenum of sheep fed diets supplemented with different types of fat

M. Szumacher-Strabel, A. Potkański, J. Kowalczyk, A. Cieślak, M. Czauderna, G. Strzelecka, P. Jędroszkowiak

J. Anim. Feed Sci. 2003;12(2):239–248

DOI: https://doi.org/10.22358/jafs/67700/2003

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A highly efficient method for determination of some amino acids and glutathione by liquid chromatography

M. Czauderna, J. Kowalczyk, K. M. Niedźwiedzka, I. Wąsowska

J. Anim. Feed Sci. 2003;12(1):199–215

DOI: https://doi.org/10.22358/jafs/67697/2003

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The inﬂuence of supplemental fat on rumen volatile fatty acid profle, ammonia and pH levels in sheep fed a standard diet

M. Szumacher-Strabel, A. Potkański, J. Kowalczyk, A. Cieślak, M. Czauderna, A. Gubała, P. Jędroszkowiak

J. Anim. Feed Sci. 2002;11(4):577–587

DOI: https://doi.org/10.22358/jafs/67912/2002

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A highly efficient method for derivatization of fatty acids for high performance liquid chromatography

M. Czauderna, J. Kowalczyk, K. M Niedźwiedzka, I. Wąsowska

J. Anim. Feed Sci. 2002;11(3):517–526

DOI: https://doi.org/10.22358/jafs/67905/2002

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A HPLC method with UV detection for analysing of 2,6-diaminopimelic acid in rumen bacteria and intestinal digesta

M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 2002;11(2):331–346

DOI: https://doi.org/10.22358/jafs/67817/2002

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ORIGINAL PAPER

A note on the effect of different amounts and types of fat on the fatty acid composition of duodenal digesta in sheep

A. Potkański, M. Szumacher-Strabel, J. Kowalczyk, A. Cieślak, M. Czauderna

J. Anim. Feed Sci. 2001;10(4):627–632

DOI: https://doi.org/10.22358/jafs/68014/2001

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Quantification of conjugated linoleic acid and other essential fatty acids in ovine meat, milk, fat, and intestinal digesta

M. Czauderna, J. Kowalczyk, A. Potkański, M. Szumacher-Strabel, G. Chojecki

J. Anim. Feed Sci. 2001;10(Suppl. 2):385–392

DOI: https://doi.org/10.22358/jafs/70125/2001

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An HPLC method for determining desirable or undesirable conjugated linoleic acid

M. Czauderna, J. Kowalczyk, A. Potkański, M. Szumacher-Strabel, G. Chojecki

J. Anim. Feed Sci. 2001;10(Suppl. 2):377–383

DOI: https://doi.org/10.22358/jafs/70124/2001

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An improved method for derivatization of fatty acids for liquid chromatography

M. Czauderna, J. Kowalczyk, G. Chojecki

J. Anim. Feed Sci. 2001;10(Suppl. 2):369–375

DOI: https://doi.org/10.22358/jafs/70123/2001

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The effects of different amounts and types of fat on the extent of C18 unsaturated fatty acid hydrogenation in the rumen of sheep

A. Cieślak, M. Szumacher-Strabel, A. Potkański, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2001;10(Suppl. 2):123–128

DOI: https://doi.org/10.22358/jafs/70045/2001

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The effects of different amounts and types of fat on milk fatty acid composition in sheep

A. Potkański, M. Szumacher-Strabel, J. Kowalczyk, A. Cieślak, M. Czauderna

J. Anim. Feed Sci. 2001;10(Suppl. 2):115–121

DOI: https://doi.org/10.22358/jafs/70043/2001

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The effects of different amounts and types of fat on meat fatty acid composition in sheep

A. Potkański, M. Szumacher-Strabel, A. Cieślak, J. Kowalczyk, M. Urbaniak, M. Czauderna

J. Anim. Feed Sci. 2001;10(Suppl. 2):109–113

DOI: https://doi.org/10.22358/jafs/70042/2001

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The effects of different amounts and types of fat on the level of conjugated linoleic acid in the meat and milk of sheep

M. Szumacher-Strabel, A. Potkański, A. Cieślak, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2001;10(Suppl. 2):103–108

DOI: https://doi.org/10.22358/jafs/70041/2001

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The effects of different amounts and types of fat on rumen microbial protein synthesis in sheep

M. Szumacher-Strabel, A. Cieślak, A. Potkański, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2001;10(Suppl. 2):97–101

DOI: https://doi.org/10.22358/jafs/70040/2001

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The effects of different amounts and types of fat on metabolites in the rumen of sheep

M. Szumacher-Strabel, A. Potkański, A. Cieślak, J. Kowalczyk, M. Czauderna

J. Anim. Feed Sci. 2001;10(Suppl. 2):91–96

DOI: https://doi.org/10.22358/jafs/70039/2001

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SHORT COMMUNICATION

Effect of milk thistle (Sylibum marianum L.) endosperm in the diet for cows on milk yield and fatty acid profiles

A. Potkański, J. Kowalczyk, W. Nowak, M. Czauderna, S. Michalak

J. Anim. Feed Sci. 2001;10(Suppl. 2):83–89

DOI: https://doi.org/10.22358/jafs/70038/2001

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ORIGINAL PAPER

A note on the effect of energy sources on duodenal flow of fatty acids and bacterial nitrogen in sheep

A. Potkański, J. Kowalczyk, M. Szumacher-Strabel, A. Cieślak, M. Czauderna

J. Anim. Feed Sci. 2001;10(2):293–300

DOI: https://doi.org/10.22358/jafs/67984/2001

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ORIGINAL PAPER

Determination of 2,6-diaminopimelic acid in bacteria, ruminal and duodenal digesta using HPLC with fluorescence or UV detection

M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 1999;8(2):273–288

DOI: https://doi.org/10.22358/jafs/68936/1999

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ORIGINAL PAPER

Determination of free amino acids in blood plasma by high-performance liquid chromatography with fluorescence detection

M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 1998;7(4):453–463

DOI: https://doi.org/10.22358/jafs/69319/1998

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ORIGINAL PAPER

Simultaneous determination of purine derivatives in urine by high-performance liquid chromatography

M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 1996;5(4):433–439

DOI: https://doi.org/10.22358/jafs/69622/1996

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ORIGINAL PAPER

Determination of allantoin in blood by high-performance liquid chromatography with pre-column derivatization

M. Czauderna, J. Kowalczyk

J. Anim. Feed Sci. 1995;4(4):351–358

DOI: https://doi.org/10.22358/jafs/69810/1995

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Selected physiological effects of boron compounds for animals and humans. A review

Selenium supplementation into diets containing carnosic acid, fish and rapeseed oils affects the chemical profile of whole blood in lambs

Conjugated linolenic acid (CLnA) isomers as new bioactive lipid compounds in ruminant-derived food products. A review

Selenium species in diet containing carnosic acid, fish and rapeseed oils affect fatty acid profiles in lamb muscles

The effect of dietary fat, vitamin E and selenium concentrations on the fatty acid profile and oxidative stability of frozen stored broiler meat

Incorporation of endogenous urea nitrogen into amino acids of milk in goats fed diets with various protein levels

Improved derivatization of malondialdehyde with 2-thiobarbituric acid for evaluation of oxidative stress in selected tissues of chickens

Incorporation of endogenous urea nitrogen into the amino acids of bacterial protein in the rumen of goats fed diets with various protein levels

Dietary lycopenes, selenium compounds and fish oil affect the profile of fatty acids and oxidative stress in chicken breast muscle

Efficiency of endogenous urea 15N nitrogen incorporation into bacterial and milk protein of goats fed diets with three different protein levels

The effects of diets enriched in omega-3 fatty acids on carcass characteristics and the fatty acid profile of intramuscular and subcutaneous fat in pigs

Selenite and selenate affected the fatty acid profile in in vitro incubated ovine ruminal fluid containing linoleic acid

Dietary linseed oil and selenate affect the concentration of fatty acids and selenium in the spleen, pancreas, and kidneys of lambs

Dietary conjugated linoleic acid isomers and selenite or selenized yeast affect fatty acid concentration in the kidneys of rats

The influence of dietary fatty acids on their metabolism in liver and subcutaneous fat in growing pigs

Selenite, selenized yeast, or conjugated linoleic acid isomers supplemented to the diet influence the fatty acid profile in the spleen and blood plasma of rats

The necessity of adequate nutrition with diets containing omega-3 and omega-6 fatty acids for proper brain development, function and delayed aging: Review

The effect of conjugated linoleic acid isomers, selenite and selenized yeast supplemented to the diet on the fatty acid profile in the pancreas of rats

Effect of a protein level in the diet on fatty acid profile in goat milk

The dietary level of selenite and selenized yeast influences the concentrations of selected fatty acids in the abdominal fat and brain of rats

Dietary selenite and conjugated linoleic acid isomers influence fatty acid concentrations in the liver and femoral muscles of rats

Dietary selenized yeast and CLA isomer mixture affect fatty- and amino acid concentrations in the femoral muscles and liver of rats

Influence of selenate and linseed oil on fatty-acid and amino-acid profiles in the liver, muscles, fat tissues and blood plasma of sheep

Lactic acid can be easily and precisely determined by reversed-phase high performance liquid chromatography with pre-column derivatization

Comparison of the influence of different chemical forms of selenium and the profiles of CLA isomers in the diet on the fatty acid and amino acid contents in the liver and femoral muscles of rats

Response of milk fatty acid profile to various protein levels in goat diets with similar fatty acid content

Influence of dietary CLA isomers and selenium compounds on the fatty acid and amino acid profiles in blood plasma of rats

The influence of dietary conjugated linoleic acid isomers and selenized yeast on the fatty acid profile of the spleen, pancreas and kidneys of rats

The use of developed chromatographic techniques to determine vitamin E and conjugated linoleic acid isomers in milk of cows

The influence of selenium on the level of linoleic acid isomers in incubated ruminal fluid

The influence of dietary conjugated linoleic acid isomers on the essential amino acid profile in rats

The concentration of conjugated linoleic acid isomers and their metabolites in the abdominal fat of rats

The inﬂuence of dietary conjugated linoleic acid isomers and Se on the fatty acid profile in rat blood plasma and selected tissues

Influence of dietary conjugated linoleic acid isomers and selenium on growth, feed efficiency, and liver fatty acid profile in rats

Improving the analysis of fatty acids using a combination of gas chromatography and Ag+ liquid chromatography

Dietary conjugated linoleic acid isomers and selenium affect the fatty acid profile in rat liver

Effect of dietary CLA isomers on selenium, zinc, copper, chromium, magnesium and calcium levels in rat liver

Inﬂuence of dietary conjugated linoleic acid (CLA) on the fatty acid content and CLA profile of egg yolks in laying hens

Relationship between mineral and protein deposition in restricted and realimented pigs

Excretion routes and distribution of selenium in sheep tissues after selenite loading

Effects of pre- and postpartum injections of Se, Zn and vitamin E on their concentration in ewes milk

Short-term vasopressin analogue treatment does not inﬂuence the nitrogen balance in sheep

The effect of linseed oil and selenium on the content of fatty acids and some elements in the liver and selected tissues of sheep

A highly efficient method for determination of allantoin in ruminal digesta, ovine urine and blood serum by HPLC

Effect of adding fat to the diet for lambs on the fatty acid profile of intramuscular, perirenal and subcutaneous fat

The effect of selenium and linseed oil on growth of sheep and content of selected fatty acids in M. longissimus dorsi

Simultaneous determination of purine metabolites in ovine urine and blood plasma by high-performance liquid chromatography

Liver and body mass gain, content of conjugated linoleic acid (CLA) isomers and other fatty acids in the liver of rats fed CLA isomers and selenium

Conjugated linoleic acid (CLA) content and fatty acids composition of muscle in rats fed isomers of CLA and selenium

The effects of selenium and conjugated linoleic acid (CLA) isomers on fatty acid composition, CLA isomer content in tissues, and growth of rats

The urinary excretion of purine derivatives in sheep is not inﬂuenced by long term treatment with vasopressin

Determination of conjugated linoleic acid isomers by liquid chromatography and photodiode array detection

Fatty acid ﬂow to the duodenum of sheep fed diets supplemented with different types of fat

A highly efficient method for determination of some amino acids and glutathione by liquid chromatography

The inﬂuence of supplemental fat on rumen volatile fatty acid profle, ammonia and pH levels in sheep fed a standard diet

A highly efficient method for derivatization of fatty acids for high performance liquid chromatography

A HPLC method with UV detection for analysing of 2,6-diaminopimelic acid in rumen bacteria and intestinal digesta

A note on the effect of different amounts and types of fat on the fatty acid composition of duodenal digesta in sheep

Quantification of conjugated linoleic acid and other essential fatty acids in ovine meat, milk, fat, and intestinal digesta

An HPLC method for determining desirable or undesirable conjugated linoleic acid

An improved method for derivatization of fatty acids for liquid chromatography

The effects of different amounts and types of fat on the extent of C18 unsaturated fatty acid hydrogenation in the rumen of sheep

The effects of different amounts and types of fat on milk fatty acid composition in sheep

The effects of different amounts and types of fat on meat fatty acid composition in sheep

The effects of different amounts and types of fat on the level of conjugated linoleic acid in the meat and milk of sheep

The effects of different amounts and types of fat on rumen microbial protein synthesis in sheep

The effects of different amounts and types of fat on metabolites in the rumen of sheep

Effect of milk thistle (Sylibum marianum L.) endosperm in the diet for cows on milk yield and fatty acid profiles

A note on the effect of energy sources on duodenal flow of fatty acids and bacterial nitrogen in sheep

Determination of 2,6-diaminopimelic acid in bacteria, ruminal and duodenal digesta using HPLC with fluorescence or UV detection

Determination of free amino acids in blood plasma by high-performance liquid chromatography with fluorescence detection

Simultaneous determination of purine derivatives in urine by high-performance liquid chromatography

Determination of allantoin in blood by high-performance liquid chromatography with pre-column derivatization

Efficiency of endogenous urea ¹⁵N nitrogen incorporation into bacterial and milk protein of goats fed diets with three different protein levels

Improving the analysis of fatty acids using a combination of gas chromatography and Ag⁺ liquid chromatography