ORIGINAL PAPER
Effects of supplemental fat for high yielding dairy cows at first stage of lactation on milk yield and composition
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1
Agricultural University of Wrocław, Department of Cattle Breeding and Milk Production, Kożuchowska 7, 51-631 Wrocław, Poland
 
2
Agricultural University of Wrocław, Department of Animal Nutrition and Feed Management, Norwida 25/27, 50-375 Wrocław, Poland
 
 
Publication date: 1995-04-28
 
 
J. Anim. Feed Sci. 1995;4(2):83-93
 
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ABSTRACT
The following supplements were used in the feeding of high yielding dairy cows starting 3 weeks before calving to day 100 of lactation: a fat supplement in the form of calcium-magnesium soaps, Erafet, (group I), Erafet plus rapeseed meal (group II), rapeseed cake containing 19.5% crude fat (group III). During the first three months of lactation, a increase in the daily FCM yield was noted in the experimental groups as compared with the control group with no supplements, i.e. by 4.6, 11.6 and 8.5%, respectively in groups I - III. After withdrawing supplementation, during the subsequent four months of lactation, the cows in the experimental groups produced 1.7, 3.3 and 4.1% more milk, respectively, than the controls. The milk fat from experimental cows contained significantly more oleic (by 7.5 to 10.0%) and stearic acids (from 5.9 to 25.1%) and less C4-C16 acids.
 
CITATIONS (1):
1.
The influence of propylene glycol on body condition and milk yield of cows as well as colostrum and milk composition
Robert Kupczyński, Maciej Adamski, Gustav Chládek
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
 
ISSN:1230-1388
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