Male-induced ovulation in sheep and goats (the 'male effect'), documented during the period
1940–1960, has long been shrouded in preconceptions concerning how, when and why it …

The role of the ram effect on the reproductive performance of ewes that have initiated
estrous cycles following lambing in combination with synchronization of estrus using PGF2α …

Industries based on small ruminants are major contributors to world food supply but, in
extensive grazing systems, reproductive technology is not directly relevant to most …

In seasonally anoestrous ewes of many breeds, the introduction of rams triggers an increase
in gonadotrophin secretion that induces ovulation, a phenomenon known as the 'ram effect' …

En el presente trabajo se revisan las principales hormonas reproductivas en hembras
domésticas rumiantes, considerando sus características e interacciones, además de los …

This study characterizes the goat response to the buck stimulus during the transition from
anestrus to complete sexual function in mixed-breed goat herds maintained on an arid …

This study aimed to assess the influence of the social rank of rams and quality of stimuli to
ewes between dominant and subordinate Dorper rams joined to anestrus ewes. Social rank …

This research addressed the effect on reproductive performance of melatonin implants
inserted at the winter solstice in Payoya goats. Female goats (n= 100) were divided into two …

We know almost nothing about the chemosensory experiences of birds as they develop
within an egg's fluid-filled environment. Given well-established literature on chemical …

This chapter covers the basics of the “buck effect” or “male effect” which is very useful for
improving reproduction efficiency in animals. The chapter starts with an introduction to the …