While progesterone levels during follicular growth did not affect estrus intensity or duration, higher progesterone resulted in more follicles at AI and better embryo quality, suggesting a role for progesterone in improving embryo production in superovulated heifers.
Dec 1, 2023
In their first two weeks of life, 18% of unvaccinated dairy heifers had respiratory issues and 23% had diarrhea. At 4 to 8 weeks, respiratory issues increased significantly to 62%, while diarrhea decreased to 13%.
Dec 1, 2021