Animal reproduction encompasses the full sequence from gamete formation through fertilisation, embryonic development and parturition. In farm and companion species alike, natural breeding is ...

Animals are more likely to mate in warmer environments, a study analyzing the impact of climate change on reproductive behavior has found. Looking at the impact of temperature changes on 22 species ...

Animals possess circadian clocks, or 24-hour oscillators, to regulate daily behavior. These typically take their cues from the periodic change of sunlight and darkness. However, many animals are also ...

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...

A study has found that the reason why the evolution of the first animals to appear on Earth was delayed for over 10 million years was due to their reproductive methods. Early animals reproduced by ...

Artificial insemination (AI) in sheep has evolved into a multifaceted suite of reproductive biotechnologies designed to enhance genetic progress, biosecurity and production efficiency. Strategies ...