Milk progesterone measures to improve genomic selection for fertility in dairy cows

Tenghe, Amabel

doi:10.18174/409680

Cited by 2 publications

(2 citation statements)

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“…There is an increasing interest to find novel measures of fertility that have a better heritability or using genomic information to assistance genetic selection for fertility (Tenghe, 2017). Fertility rate is an important part of the efficiency of dairy production, so increasing fertility rate is very important to reduce production costs (Shao et al, 2021).…”

Section: Selection Of Reproductive Traitsmentioning

confidence: 99%

“…The first is the ability of the cow to recover after calving and the time interval from calving to the first service. The second is the ability of cows to conceive, and maintain pregnancy after fertilization, the time interval between the first and last fertilization, and the rate of non-milk return after delivery (Tenghe, 2017). The reliability of calving interval breeding values for bulls without progeny increased by 27 percentage units from 20% to 47% and in Australia and the United Kingdom, the reliability of fertility breeding values increased by 22 and 29 percentage units, respectively from using genomic selection (Berry et al, 2014).…”

Section: Selection Of Reproductive Traitsmentioning

confidence: 99%

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Opportunities of Genomic Selection in the Improvement of Dairy Cattle Productivity: A Review

2023

ALST

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This review is aimed to summarize and synthesize the fragmented information in the area of genomic selection in the improvement of productivity in dairy cattle. Genomic selection has been a valuable tool for increasing the rate of genetic improvement with reduced generation interval. In addition, it can be used for selection based on genomic breeding values at an early age for superior breed with great accuracy resulting in enhanced productivity of dairy cattle populations. Genomic selection is particularly used to improve those traits with lowheritability values such as feed efficiency, reproductive traits, especially fertility including adaptation traits. The implementation of genomic selection in developed countries mainly uses purebred and hybrid of Bos taurus cattle. Most studies have found that genomic evaluation of pure breeds that serve as a large reference population for high milk production in dairy cows can bring more benefits. Since, most of the research works have been conducted using Bos taurus cattle, research focusing on the application of genomic selection on Bos indicus cattle is needed to evaluate its impact on the productivity of tropical cattle breeds.

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Section: Selection Of Reproductive Traitsmentioning

confidence: 99%

Section: Selection Of Reproductive Traitsmentioning

confidence: 99%