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Calves suffer from few congenital abnormalities but the Akabane virus is widely distributed in temperate to tropical regions of the world. The virus is a teratogenic pathogen which causes spontaneous abortions , stillbirths, premature births and congenital abnormalities, but occurs only during some years.
Young cattle (regardless of sex) are called calves until they are weaned, then weaners until they are a year old in some areas; in other areas, particularly with male beef cattle, they may be known as feeder calves or feeders. After that, they are referred to as yearlings or stirks [4] if between one and two years of age. [5]
List of animal names, for animals whose young are called "calves" Crus, the entire lower leg; Calve (disambiguation) Calving (disambiguation) Calf Island (disambiguation) Golden calf, idol described in the Bible; Cow–calf, a set of switcher-type locomotives; Calf, a small island near a larger one; see Category:Calves (islands)
Certain words in the English language represent animal sounds: the noises and vocalizations of particular animals, especially noises used by animals for communication. The words can be used as verbs or interjections in addition to nouns , and many of them are also specifically onomatopoeic .
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
The best-known source of many English words used for collective groupings of animals is The Book of Saint Albans, an essay on hunting published in 1486 and attributed to Juliana Berners. [1] Most terms used here may be found in common dictionaries and general information web sites. [2] [3] [4
The calf (pl.: calves; Latin: sura) is the back portion of the lower leg in human anatomy. [1] The muscles within the calf correspond to the posterior compartment of the leg . The two largest muscles within this compartment are known together as the calf muscle and attach to the heel via the Achilles tendon .
Dairy calves in the United States are weaned off their mother at an average of around 7 weeks of age. [21] Beef calves are not usually weaned off their dams until the calves are between 8 and 10 months of age. [22] Before a calf is completely weaned off of milk, for both dairy and beef cattle, the calf must have developed a fully functioning ...