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 …

Cystic ovarian follicles (COF) are an important ovarian dysfunction and a major cause of
reproductive failure in dairy cattle. Due to the complexity of the disorder and the …

Ovarian function was compared between nulliparous heifers (n= 29; 10 to 16 mo old) and
lactating Holstein cows (n= 31; 55.9±3.5 d postpartum). Follicular dynamics, corpus luteum …

The past few decades have seen a dramatic increase in infertility and reproductive disorders
associated with a rising milk yield. Herein, we present a 10-year (from 1991 to 2000) …

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 …

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

Ovarian cysts are one of the most common ovarian dysfunctions in dairy cattle, which can
lead to a considerable economic loss through its high incidence and can reduce the …

Contents The present study aimed to investigate the pathogenesis of cystic ovarian disease
(COD) in high‐yielding dairy cows postpartum (pp). Hormonal and metabolic profiles during …

Contents To describe the epidemiology of cystic ovarian disease (COD), to find possible risk
factors associated with the incidence of cysts and to analyse the impact of COD on the …

Contents In the dairy industry worldwide, reproductive disorders are a major cause of
economic losses and a challenge to scientists and technicians. In recent decades, declining …