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The Coolidge effect is a biological phenomenon seen in animals, whereby males exhibit renewed sexual interest whenever a new female of reproductive availability is introduced, even after sex with prior but still available sexual partners.
Their hearing is better than that of horses, [38] but worse at localising sounds than goats, and much worse than dogs or humans. [39] They can distinguish between live and recorded human speech. [40] Olfaction probably plays a large role in their social life, indicating social and reproductive status.
Artificial reproduction was not achieved because of the difficulties in hatching or feeding some farmed species such as eel and yellowtail farming. [24] A suspected reason associated with the late realization of success in selective breeding programs in aquaculture was the education of the concerned people – researchers, advisory personnel ...
A full mature Holstein cow usually weighs around 700 kilograms (1,500 lb) and is 147 centimetres (58 in) tall at the shoulder. They are known for their outstanding milk production among the main breeds of dairy cattle. An average Holstein cow produces around 10,000 kilograms (23,000 lb) of milk each lactation.
As the video from @highlandcow.planet.19 shows, the cow's owner got the best reaction when she walked over with some pumpkin for it to eat. Related: Highland Cow Poses for Tourists in Scotland ...
One equation used to analyze biological exponential growth uses the birth and death rates in a population. If, in a hypothetical population of size N, the birth rates (per capita) are represented as b and death rates (per capita) as d, then the increase or decrease in N during a time period t will be
A dozen more dairy herds in California have been stricken with bird flu as the virus continues to infect animals and humans around the U.S.. Nearly 700 herds in the state — or 71 percent of all ...
The threat of so-called “mad cow disease” has all but faded from the collective memory, after its appearance in U.K. cattle in 1986. Human deaths from the scourge, caused by eating ...