ORIGINAL PAPER
In vivo digestibility and in vitro gas production of diets supplemented with fibrolytic enzymes in dairy goats
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1
Research Group in Ruminants, Animal and Food Science Department, Universitat Autònoma de Barcelona (UAB), 08193 Bellaterra, Spain
 
2
Experimental Station on Pasture and Forages ‘Indio Hatuey’ Central España Republicana, 44280 Matanzas, Cuba
 
 
Publication date: 2008-10-27
 
 
Corresponding author
E. Albanell   

Research Group in Ruminants, Animal and Food Science Department, Universitat Autònoma de Barcelona (UAB), 08193 Bellaterra, Spain
 
 
J. Anim. Feed Sci. 2008;17(4):530-537
 
KEYWORDS
ABSTRACT
Digestive effects of diet supplementation with an exogenous fibrolytic enzyme preparation (cellulase and xylanase activities) were evaluated under in vivo and in vitro conditions. Eight lactating Murciano-Granadina dairy goats (four per treatment) were used to measure the total tract digestibility of an ad libitum total mixed ration (forage, 65%; concentrate, 35%) to which the enzyme was, or was not, added to the concentrate. In vitro degradability and gas production were also studied using 2 goats (1 per dietary treatment) as ruminal liquor donors. Dry matter digestibility increased by effect of the enzyme supplemented goats, while digestibilities of organic matter, protein and fibre fractions did not vary. Differently, in vitro trial showed no differences either in dry matter or fibre degradabilities or in gas production. In conclusion, supplementing dairy goat concentrate with a fibrolytic enzyme preparation, under our conditions, enhanced in vivo dry and organic matter digestibilities although the effects were not observed in vitro.
 
CITATIONS (1):
1.
Effect of exogenous fibrolytic enzymes supplementation to improve voluntary intake, availability of nutrients and growth performance in weaned crossbred calves
ANIL, T DUTTA, A CHATTERJEE, SUSHIL YADAV, D MANDAL, A MOHAMMAD
The Indian Journal of Animal Sciences
 
ISSN:1230-1388
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