برچسب: مروری,واکسیناسیون,پرندگان,آشامیدنی,
نویسنده: آتنا شجاعی
For years, at great cost, dairy cows have been overfed crude protein in an attempt to meet amino acid requirements for desired milk yield. Most important aspect in increasing feed efficiency is to use the rumen of dairy cows to its full potential and thus support the activity and growth of the rumen microflora.
The whole animal production industry is currently facing an enormous challenge: according to the United Nations, the world population is set to exceed 9 billion in 2050, 35% greater than today. As the majority of this growth will take place in developing countries, it will have a substa