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Crossbreeding through the use of Limousin terminal sires in purebred British breed cow herds allows the complementary traits of higher marbling and fat cover provided by the British breed cows, and required or preferred by some markets, [74] [75] to be combined with the higher yield and feed conversion efficiency of Limousin sires.
Over a billion each of domesticated sheep, cattle, and goats, and over 200 million domesticated water buffalo, 14 million domestic yak, and 300,000 domesticated gayal are used in farming worldwide. Many wild species do not have population estimates, though the impala, springbok, and harnessed bushbuck have population sizes of over one million ...
General characteristics include cloven hooves and usually at least one of the sexes of a species having true horns. The largest extant bovine is the gaur. In many countries, bovid milk and meat is used as food by humans. Cattle are kept as livestock almost everywhere except in parts of India and Nepal, where they are considered sacred by most ...
The oval eggs of species in the genus Lactoria hatch into the juvenile larvae. These larvae are distinct because they form the box carapace armor that is present on the longhorn cowfish. [18] On Pamban Island, the local belief was that when the land got separated, the cows on the island metamorphosed into these fish and fed on seaweed. [19]
Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species. Bos indicus (or Bos taurus indicus) cattle, commonly called zebu, are adapted to hot climates and originated in the tropical parts of the world such as India, Sub-saharan Africa, China, and Southeast Asia.
A number of factors determine how quickly any changes may occur in a species, but there is not always a desire to improve a species from its wild form. Domestication is a gradual process, so there is no precise moment in the history of a given species when it can be considered to have become fully domesticated.
The thornback cowfish (Lactoria fornasini), [4] is a species of marine ray-finned fish belonging to the family Ostraciidae, the boxfishes. This species is found throughout the tropical Indo-Pacific from East Africa to the Bass Islands (French Polynesia). It can grow to a maximum length of 23 cm (9 in). [4]
This table includes mainly food fish species, but also listed are crustaceans (crabs and shrimps), cephalopods (squids and cuttlefishs), bivalves, and a reptile (softshell turtle). Note that Oreochromis niloticus and Penaeus monodon appear twice, because substantial amounts are harvested from the wild as well as being extensively raised through ...