Initial studies of the ovaries were based on postmortem anatomic descriptions, followed by
histologic and endocrine approaches. The introduction of high-resolution ultrasonography …

Contents Experimental animals in biomedical research provide insights into disease
mechanisms and models for determining the efficacy and safety of new therapies and for …

The preimplantation development of mammals generally follows the same plan. It starts with
the formation of a totipotent zygote, and through consecutive cleavage divisions and …

Livestock models have contributed significantly to biomedical and surgical advances. Their
contribution is particularly prominent in the areas of physiology and assisted reproductive …

The recent progress in derivation of pluripotent stem cells (PSCs) from farm animals opens
new approaches not only for reproduction, genetic engineering, treatment and conservation …

During early embryonic development, late fetal growth, puberty, adult reproductive years,
and advanced aging, bovine and human ovaries closely share molecular pathways and …

This chapter highlights the similarities and differences between bovine and human female
reproduction, in order to justify the use of the cow as a model to study ovarian physiology …

The aim of this study was to determine the pharmacokinetics of letrozole and its effect on
FSH and LH concentrations after single (IV, IM, SC) and repeated IV doses in anestrous …

One of the causes of observed low fertility is embryo loss after fertilization. Previous findings
suggested that more than half of fertilizations result in embryo loss before pregnancy is …

Numerous treatments and protocols have been used to control the reproductive cycle in
cattle, with varying effectiveness and many involving the administration of steroid hormones …