Cow reproduction efficiency assessment method
The invention discloses a cow reproduction efficiency assessment method. According to the method, by taking a 21-day breeding cycle of a cow as a statistical unit, condition screening is performed on a cow herd, and a due breeding quantity, a breeding quantity, a breeding rate, a due pregnant quanti...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a cow reproduction efficiency assessment method. According to the method, by taking a 21-day breeding cycle of a cow as a statistical unit, condition screening is performed on a cow herd, and a due breeding quantity, a breeding quantity, a breeding rate, a due pregnant quantity, a pregnant quantity, a pregnant rate and an aborted quantity of the cow herd meeting screening conditions in each breeding cycle and a due breeding quantity SUM, a breeding quantity SUM, a due pregnant quantity SUM, a pregnant quantity SUM, a breeding rate SUM, a pregnant rate SUM and an aborted quantity SUM of the cow herd in a plurality of breeding cycles are subjected to reverse deduction and statistics in time, so that the cow reproduction efficiency in the breeding cycle can be comprehensively judged from multiple perspectives, the cow reproduction efficiency can be comprehensively, timely and accurately assessed, a production manager is facilitated to make a timely and effective management decision, the e |
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