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Inheritance and correlation of locomotion and linear type traits in hf cattle
Published online by Cambridge University Press: 20 November 2017
Extract
As it is essential for breeding societies to have their registered livestock classified objectively, linear trait assessment of Holstein Friesian cows was introduced in Great Britain in 1982. Currently, 15 traits describing the body, legs and feet, the udder, and teats are scored visually according to an underlying linear scale. For example the two legs and feet traits Rear Leg Side View (RLSV) and Foot Angle are scored from “straight” to “sickled” and from “low” to “steep”, respectively. In 1993, the Holstein Friesian Society of Great Britain and Ireland (HFS) decided to add a new trait “Locomotion” on an experimental basis to the list as an indicator of lameness, as it is felt that the existing data do not provide enough information for this specific area. Locomotion is scored according to Manson and Leaver's Locomotion Scoring System.
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- Genetics & Cattle Improvement
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- Copyright © The British Society of Animal Science 1995