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资源简介：
Decision tree model to determine the outcome of previous (historical) insemination records of Canadian Holsteins as pregnant, open, or abortion.
应用场景：
创建时间：
2022-05-13
相关数据集
Research data on the Influence of GnRH at the beginning of the ovulation synchronization protocol on ovarian dynamics and haemodynamics in dairy cows
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Effects of calving ease (eutocia vs. dystocia) and first calving age on partial and 305-d lactation performance (n = 115,291).
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Concentration of progesterone (least squares means ± SE) at AI and at 7 d post-AI, according to body condition score, parity and milk production on both Experiment 1 and Experiment 2.
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Final models for the difference in cost per cow (£ /year; based on change in milk production, culling risk, and number of services) following the implementation of 3 reproductive management programmes in dairy herds compared to a baseline 1 scenario.
1 Cows submitted for service based on observation of oestrus only (Group 1). 2 All cows treated with gonadotropin releasing hormone and prostaglandin such that they all receive a first service between
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List of cattle breeds in Great Britain on 31 December 2015
List of cattle breeds in Great Britain on 31 December 2015
data.world2020-03-02 更新20
