Using functional oils associated with amylolytic enzyme in the feed of dairy cows
Effects of the association of proteinate microminerals and amylase on fermentation...
Consumption and apparent digestibility of dairy cows fed with enzymes
Grant number: | 15/06108-3 |
Support Opportunities: | Scholarships abroad - Research Internship - Master's degree |
Start date until: | August 01, 2015 |
End date until: | November 30, 2015 |
Field of knowledge: | Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding |
Principal Investigator: | Francisco Palma Rennó |
Grantee: | Caio Seiti Takiya |
Supervisor: | Barry Joseph Bradford |
Host Institution: | Faculdade de Medicina Veterinária e Zootecnia (FMVZ). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
Institution abroad: | Kansas State University, United States |
Associated to the scholarship: | 14/13607-3 - Dairy cows fed amylolytic enzymes, BP.MS |
Abstract The addition of enzymes in ruminant diet may manipulate ruminal fermentation and become an alternative to increase feed conversion rate. There are few studies in literature evaluating amylolytic enzyme in ruminant nutrition and experimental conditions largely vary between experiments which impairs comparison among studies and difficult a conclusion to dietary amylase response. In recent literature, experiments report the effectiveness of amilolytic enzymes in cow`s performance, with increased milk yield due to increase of nutrients total tract digestion and microbial protein duodenal flow. Therefore, becomes relevant evaluate inclusion of amylolytic enzymes in diet based in corn silage as forage source, which is the most used in Brazil to high yielding dairy cows. In Brazil, research in this area is scarce, and the techniques of laboratory analysis are very outdated compared to developed countries. Moreover, it is of great importance to establish partnerships for improving and learning laboratory analysis techniques related to starch and blood analysis. The hypothesis of experiment was that amylase (AmaizeTM, Alltech Inc., Nicholasville, KY, USA) improve productive performance and metabolism of mid lactating dairy cows. The objective of the present study is to evaluate the effects of increasing doses of amylolytic enzyme in dairy cows feeding on productive performance and metabolism. (AU) | |
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