Fat hd cows

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Another factor that might explain this situation is that the curve and the lactation period in specialized cattle are already well-defined, while these same characteristics have not yet been established for Zebus. Milk and fat production of crossbred Holstein-Gir cows Bos taurus taurus-Bos taurus indicus in the agreste region of the Brazilian state of Pernambuco. Livest Prod Sci In the dry season, cattle are stabled and managed using a semi-intensive system with a dietary base of spineless cactus Opuntia ficus and sorghum Sorghum bicolor l. The production averages indicate that for practical and economic considerations cows between eight and nine years old should be discarded when production begins to decrease. Syrstad O Dairy cattle cross-breeding in the tropics: Performance of secondary cross-bred populations.

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