“When it comes to genetic selection for fertility, it’s not easy. It is quite slow compared to more straightforward traits like milk production or fat or protein content. This is a complex thing,” said Christine Baes at the Western Canadian Dairy Seminar.

Researchers are exploring advanced methods that combine activity monitoring technology with fertility programs to take reproductive outcomes to an even higher level. One approach is called targeted reproductive management (TRM), and here's what it could mean for your herd.

This article, from the University of Florida, explains that pregnancy failure for cows not diagnosed pregnant is the result of one of a variety of causes including insemination errors, anovulation, fertilization failure and embryonic death.