News footage these days sometimes shows wild horses crowding dry rangelands in the American West or deer wandering through ...

Wild animals provide a unique challenge for physiologists because they are difficult to capture and monitor in their natural habitats. As a result, scientists are increasingly learning about organisms ...

The kick-off signal for puberty begins in the brain. Specifically, in the hypothalamus, where specific neurons release a ...

The University of Ottawa's Department of Biology made a significant contribution to the comprehensive 2024 Amphibian Conservation Action Plan (ACAP). Professor Vance L. Trudeau's work is featured in ...

The adoption of individual-cow monitoring technology has created the ability to customize reproductive decisions based on the ...

Some animals are biologically programmed to die shortly after mating, a process known as semelparity. In certain species, males are consumed by females, directly contributing nutrients to developing ...

Human beings, fish, reptiles and birds have the same hormones in their blood with very similar functions. But why does one find hormone values in some species that are ten times higher than in others?

Animal reproduction science focuses on dogs, pigs, ruminants and horses. Research on ruminant reproduction (female reproduction) has focused on three research lines: The use of the GnRH hormone for ...

Similar to humans, wild animals' reaction to disturbance is accompanied by releasing hormones, such as cortisol. To understand the impact of various "stress" factors - for example, competition for ...

Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.