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Typically if a registered earmark is used, it must be applied to the right ear for ewes and the left ear for female camels. The other ear of a sheep then may be used to show the year of its birth. Cattle earmarks are often a variety of knife cuts in the ear as an aid to identification, but it does not necessarily constitute proof of ownership.
Pigs, cattle and sheep are frequently earmarked with pliers that notch registered owner and/or age marks into the ear. Mares on large horse breeding farms have a plastic tag attached to a neck strap for identification; which preserves their ears free of notches. Dairy cows are sometimes identified with ratchet fastened plastic anklets fitted on ...
Betaarterivirus suid 1, commonly Porcine reproductive and respiratory syndrome virus (PRRSV), is a virus that causes a disease of pigs, called porcine reproductive and respiratory syndrome (PRRS), also known as blue-ear pig disease (in Chinese, zhū láněr bìng 豬藍耳病).
The first person to receive a pig kidney transplant, 62-year-old Richard Slayman, has died, just shy of two months after undergoing the groundbreaking procedure at Massachusetts General Hospital ...
Pig producers in Brazil and Thailand have stopped tail docking for animal welfare reasons. [2] Routine tail-docking without anesthesia has been illegal in the EU since 1994. The Council Directive 2008/120/EC of 18 December 2008 laying down minimum standards for the protection of pigs prohibited all tail-docking of pigs in the EU. [ 3 ]
Removal of portions of the ear of laboratory mice or neutered feral cats for identification, i.e. ear-notching or ear-tipping, is still used. [50] The practice of cropping for cosmetic purposes is rare in non-canines, although some selectively bred animals have naturally small ears which can be mistaken for cropping. [note 2]
Feedback is a common practice used in the pork industry where infected deceased pigs and their manure are fed to breeding pigs. It is also called controlled oral exposure or sometimes oral controlled exposure. It is done in an attempt to make the breeding pigs garner some degree of immunity to circulating diseases. [1]
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