| 摘要 |
1,093,907. Animal feeds. PFIZER Ltd. Nov. 17, 1966 [Nov. 25, 1965], No. 50128/65. Heading A2B. A ruminant nutrient composition, e.g. in the form of a cylindrical block, comprises a propionyl-substituted urea (e.g. monopropionyl urea or N, N<SP>1</SP>-di-propionyl urea) hydrolysable by rumen flora to propionic acid. The composition may comprise soya bean meal, barley meal, urea, bone meal, dicalcium phosphate, magnesium phosphate gum, cane molasses, talc, bentonite, sodium chloride, vitamins and distillers solubles. |
