Conception rate in Bos indicus cattle with ovulation synchronization and supplemented nutritionally
DOI:
https://doi.org/10.36436/24223484.691Keywords:
Anestrus, hormones, nutritional management, pregnancy, vitaminsAbstract
Postpartum anestrus is one of the main concerns in cattle production due to different reasons, such as, the low availability of nutrients in the diet, low body condition and the presence of the calf. Currently, there are alternatives such as the synchronization of heat and ovulation, but an adequate nutritional status must be available for its implementation. The objective of this study was to determine the effect of supplementation with nutritional blocks, application of vitamins and minerals that stimulate reproduction on the conception rate in synchronized and fixed-time inseminated bovine cows. 30 postpartum cows were selected at convenience from a herd located in the Colombian lower tropics, which were randomly divided into two treatments (A and B) made up of 15 cows each. All cows were treated for ovulation synchronization. In treatment A, 15 were supplemented with nutritional blocks and treated with commercial solutions of minerals and vitamins. Treatment B synchronized with ovulation, but without supplementation. Conception rate in treatments A and B was 60% (9/15) and 33% (5/15) respectively. Using the Chi2 test for independent samples, no significant difference was found in the conception rate in both treatments (p > 0.05). The treatment with minerals and vitamins that stimulate reproduction and supplementation with nutritional blocks do not improve the conception rate in cows from the low tropics that are synchronized and inseminated at a fixed time.Downloads
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