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Photo-identification is a technique used to identify and track individuals of a wild animal study population over time. It relies on capturing photographs of distinctive characteristics such as skin or pelage patterns or scars from the animal. In cetaceans, the dorsal fin area and tail flukes are commonly used.
Livestock branding is a technique for marking livestock so as to identify the owner. ... Although alternative methods of identification such as ear tags are suggested ...
The National Animal Identification System covers most livestock species, including cattle, poultry, horses, donkeys, mules, sheep, goats and swine, as well as bison, deer, elk, llamas, alpacas and even some fish species, under the heading of aquaculture. Household pets such as cats and dogs are not included. [8]
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. Since the 1950s it has been more common to use ear tags to identify livestock because coloured tags are capable of conveying more information than earmarks.
The National Livestock Identification System (NLIS) is Australia's system for tracing cattle, sheep and goats from birth to slaughter. In Canada, the Health of Animals Regulations require approved ear tags on all bison, cattle and sheep that leave the farm of origin, except that a bovine may be moved, without a tag, from the farm of origin to a ...
National Farm Animal Identification and Records (FAIR) is a pilot animal identification program established in 1999 by Holstein Association USA; it has received funding through USDA's Animal and Plant Health Inspection Service. National FAIR is a national animal identification and traceability system.
X-ray image of a microchip implant in a cat. A microchip implant is an identifying integrated circuit placed under the skin of an animal. The chip, about the size of a large grain of rice, uses passive radio-frequency identification (RFID) technology, and is also known as a PIT (passive integrated transponder) tag.
Mouthing a two tooth grass-fed Murray Grey heifer prior to sale. The age of cattle is determined chiefly by examination of the teeth, and less perfectly by the horn rings or the length of the tail brush; due to bang-tailing, which is the act of cutting the long hairs at the tip of the tail short to identify the animal after management practices, the last method is the least reliable.