Loss of pregnancy can occur at many different stages of gestation and for a variety of causes
but clearly produces a negative impact for reproductive and economic performances of dairy …

Fertility in dairy cows has declined over the past five decades as milk production per cow
has increased. Many hypotheses have been proposed to explain this including issues of …

As the standard theriogenology text for veterinary students, Veterinary Reproduction and
Obstetrics is also a great reference to keep post-graduation. The 10th edition of this book …

This manuscript focuses on potential changes in reproductive physiology that occur due to
high milk production in lactating dairy cows. Four reproductive measures are discussed …

The cause of low fertility in dairy cows is multifactorial. Poor nutrition during the dry and early
postpartum periods results in reduced glucose, insulin, insulin-like growth factor (IGF-I) and …

Ovulatory response to the first GnRH of Ovsynch is the critical determinant for successful
synchronization of ovulation in dairy cows. Our objective in this study was to develop a pre …

Simple Summary Reproductive efficiency is critical for profitability of dairy operations. The
first part of this manuscript discusses the key physiology of dairy cows and how to practically …

The extent, causes, and physiological significance of the variation in number of follicles
growing during ovarian follicular waves in human beings and cattle are unknown. Therefore …

Contents There is a variable anoestrous period following parturition in the cow. Follicular
growth generally resumes within 7–10 days in the majority of cows associated with a …

Fertility of the postpartum period is negatively influenced by the incidence of anestrus. The
latter condition is characterized by the absence of estrous behavior, which may be an …