funded by the grants from the National Key Technology R&D Program (2006BAD04A10);Major Scientific and Technological Innovation Projects of Hebei Province(07227146Z);National Special Research Fund for Public Welfare (Agriculture) of China (nyhyzx07-036-04 );Earmarked Fund for Modern Agro-industry Technology Research System (nycytx-10)
Choline is a necessary nutrient for dairy cows and contributes to milk yield, but most of dietary choline can be degraded by the microorganisms in rumen. Rumen protected choline (RPC) has been developed to protect c...