Тема: Методи визначення постійності лактації
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Надій
Σ
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де:Х – коефіцієнт постійності лактації; Мпос – надій в % за наступний місяць до різкого спаду (8 міс.); Мпр – надій за минулий місяць.
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де:Х – коефіцієнт постійності лактації; а – надій за лактацію; в – вищий добовий надій; n – кількість днів лактації.
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де:Х – коефіцієнт постійності лактації; А і В – продуктивність за перші 70 і 180 днів лактації. |
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Накреслити лактаційну криву.
Висновки: ______________________________________________________________________________________________________________________________________________________________________________________________________
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ТЕМА: ОЦІНКА ТВАРИН ЗА МЯСНОЮ ПРОДУКТИВНІСТЮ.______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Забійна маса великої рогатої худоби й овець
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