In this study, we examined the locational effect (left or right ovary) of the preovulatory follicle (PF) on fertility in dairy heifers. In total, 1,111 artificial inseminations (AI) were analyzed. At AI, PF locations were examined using rectal pal...
In the present study, the ventral tail base surface temperature (ST) was monitored using a wearable wireless sensor for estrus detection in cattle. Relationships among ST, behavioral estrus expression, ovulation, and changes in hormone profiles du...
COMPUTERS AND ELECTRONICS IN AGRICULTURE 127 101-108 2016年9月 [査読有り]
Breeding is an important part of all livestock farming. Accurately detecting estrus, the period during which insemination should occur, is critical in order to maintain production and profit. However, conventional estrus detection depends on ocula...