Cropping is the removal of part or all of the pinnae or auricles, the external visible flap of the ear, of an animal; it sometimes involves taping to make the ears pointy. Most commonly performed on dogs, it is an ancient practice that was once done for perceived health, practical or cosmetic reasons. In modern times, it is banned in many nations, but is still legal in a limited number of countries. Where permitted, it is seen only in certain breeds of dog such as the Pit bull, Miniature Pinscher, Doberman Pinscher, Schnauzer, Great Dane, Boxer, Caucasian Shepherd Dog and Beauceron.
The veterinary procedure is known as cosmetic otoplasty. Current veterinary science provides no medical or physical advantage to the animal from the procedure, leading to concerns over animal cruelty related to performing unnecessary surgery on the animals. In addition to the bans in place in countries around the world, it is described in some veterinary texts as "no longer considered ethical."
Cropping of large portions of the pinnae of other animals is rare, although the clipping of identifying shapes in the pinnae of livestock, called earmarks, was common prior to the introduction of compulsory ear tags. Removal of portions of the ear of laboratory mice for identification, i.e. ear-notching, is still used. 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.
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History and purposes
Ear cropping has been performed on dogs since ancient times.
Traditional cropping
Historically, cropping was performed on working dogs in order to decrease the risk of health complications, such as ear infections or hematomas. Crops were also performed on dogs that might need to fight, either while hunting animals that might fight back or while defending livestock herds from predators, or because they were used for pit-fighting sports such as dogfighting or bear-baiting. The ears were an easy target for an opposing animal to grab or tear.
Cropping the ears of livestock guardian dogs was, and may still be, traditional in some pastoral cultures. The ears of working flock-defense dogs such as the Caucasian Shepherd Dog (Kavkazskaïa Ovtcharka) and the Pastore Maremmano-Abruzzese were traditionally cropped to reduce the possibility of wolves or aggressor dogs getting a hold on them. According to one description, cropping was carried out when puppies were weaned, at about six weeks. It was performed by an older or expert shepherd, using the ordinary blade shears used for shearing, well sharpened. The ears were cut either to a point like those of a fox, or rounded like those of a bear. The removed auricles were given to the puppy to eat, in the belief that it would make him more "sour"; the ears were first grilled. An alternative method was to remove the ears from newborn puppies by twisting them off; however, this left almost no external ear on the dog. More than three hundred years ago, both ear-cropping and the use of spiked collars were described as a defense against wolves by Jean de la Fontaine in Fable 9 of Book X of the Fables, published in 1678.
Dogs may have their ears cropped, legally or not, for participation in dogfights, themselves illegal in many jurisdictions.
Health benefits
Historically, ear cropping has been advocated as a health benefit for certain breeds with long, hanging ears. There is some evidence that dogs with standing ears may suffer from fewer ear infections than dogs with hanging ears. It has also been hypothesized that standing ears are less prone to damage and subsequent medical complications, especially in working dogs. Some claim that cropped ears enhance Boxer's hearing. Long, hanging ears can not function the same way as erect ears which can swivel toward a sound source. The erect shape directs sound waves into the ear canal and additionally amplifies the sound slightly. Long, hanging pinnae also impose a physical barrier to sound waves entering the ear canal.
Cosmetic cropping
In the last 100 years or so, ear cropping has been performed more often for cosmetic purposes. In nations and states where it remains legal, it is usually practiced because it is required as part of a breed standard for exhibition at dog shows.
The veterinary procedure is known as "cosmetic otoplasty". It is usually performed on puppies at 7 to 12 weeks of age. After 16 weeks, the procedure is more painful and the animal has greater pain memory. Up to 2/3 of the ear flap may be removed in a cropping operation, and the wound edges are closed with stitches. The ears are then bandaged and taped until they heal into the proper shape. The procedure is recommended to be undertaken under general anaesthesia; opponents primary concerns revolve around post-operative pain.
American veterinary schools do not generally teach cropping and docking, and thus veterinarians who perform the practice have to learn on the job. There are also problems with amateurs performing ear-cropping, particularly at puppy mills. Amateur cropping is not illegal in the United States, though it is highly frowned upon among prominent members of dog communities.
In the USA, although tail-docking, dewclaw removal, and neutering procedures remain common, ear-cropping is declining, save within the dog show industry. However, many show ring competitors state they would discontinue the practice altogether if they could still "win in the ring."
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Animal welfare and law
The practice is illegal across most of Europe, including all countries that have ratified the European Convention for the Protection of Pet Animals, and most member countries of the Fédération Cynologique Internationale. It is illegal in parts of Spain and in some Canadian provinces. The situation in Italy is unclear; the ban effective 14 January 2007 may no longer be in force.
Ear-cropping is still widely practiced in the United States and parts of Canada, with approximately 130,000 puppies in the United States thought to have their ears cropped each year The American and Canadian Kennel Clubs both permit the practice. The American Kennel Club (AKC) position is that ear cropping and tail docking are "acceptable practices integral to defining and preserving breed character and/or enhancing good health." While some individual states have attempted to ban ear-cropping, there is strong opposition from some dog breed organizations, who cite health concerns and tradition.
The American Veterinary Medical Association "opposes ear cropping and tail docking of dogs when done solely for cosmetic purposes" and "encourages the elimination of ear cropping and tail docking from breed standards". Specifically, the AVMA "has recommended to the American Kennel Club and appropriate breed associations that action be taken to delete mention of cropped or trimmed ears from breed standards for dogs and to prohibit the showing of dogs with cropped or trimmed ears if such animals were born after some reasonable date". Some national chains of veterinary hospitals have voluntarily ceased to perform cosmetic surgeries on dogs. The American Humane Association opposes ear-cropping "unless it is medically necessary, as determined by a licensed veterinarian".
While it has been suggested the cropping may interfere with a dog's ability to communicate using ear signals, some also argue that cropping increases a dog's ability to communicate with ear signals. There has been no scientific comparative study of ear communication in cropped and uncropped dogs.
Status by country
Naturally small ears
Some animals, such as the Lamancha goat, have ears which are naturally small as the result of selective breeding, and some people mistakenly believe their ears to be cropped.
In other animals, small ears may result from a genetic mutation or the emergence of a genetically recessive trait, such as in Highland cattle, where the appearance of small ears, appearing to have its pinnae cropped, is viewed as a defect.
Source of the article : Wikipedia
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