With calves weaned, veterinarians criss-cross the country conducting pregnancy checks, or preg checking, cow herds. The vet ...
Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.
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 ...
Most animals reach an adult size, then spend the rest of their lives maintaining it. After maturity, their energy goes toward ...
In the framework of an international research project, a team of scientists have demonstrated for the first time that asexual reproduction can be successful in the long term. The animal they studied ...
Some animals reproduce only once before dying. This life strategy, called semelparity, sees organisms channel all energy into ...
Animals possess circadian clocks, or 24 h oscillators, to regulate daily behavior. These typically take their cues from the periodic change of sunlight and darkness. However, many animals are also ...
Ferrets are beloved, curious creatures whose popularity as a family pet has steadily increased over the past decades. However ...
This is a preview. Log in through your library . Abstract A prominent feature of biological and biomedical research and therapeutics over the past century is the entanglement of human and other animal ...
Some male animals may evolve weak immune responses to transmit diseases. This is an Inside Science story. (Inside Science) -- In the battle of the sexes, sexually transmitted diseases may sometimes be ...
For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, ...