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Title: Inheritance of Flystrike Recorded in a Non-Seasonal Rainfall Environment
Contributor(s): Bird-Gardiner, Tracie L  (author); Brown, Daniel  (author); Smith, J L (author); Mortimer, S I (author)
Publication Date: 2013
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Abstract: Flystrike records from the Sheep CRC Information Nucleus Flock (IN) were evaluated to assess the influence of sex, birth and rearing type, dam age and sire and dam breed on yearling breech and non-breech strike. Heritability of breech and non-breech strike was estimated under a range of different models, on data comprising records from progeny of three genotypes, namely Merino, Maternal-Merino and Terminal cross, run in a variable non-seasonal rainfall environment. Observed heritability estimates ranged from 0.30 ± 0.10 to 0.43 ± 0.13 for breech strike and 0.16 ± 0.06 to 0.32 ± 0.16 for non-breech strike across genotypes and models. Heritability estimates for both traits on the underlying scale were all high (>0.6), with large standard errors. Flystrike was found to have a similar heritability to estimates obtained in other environments. The identification of key indicator traits for non-seasonal rainfall environments is warranted.
Publication Type: Conference Publication
Conference Details: 20th Conference of the Association for the Advancement of Animal Breeding and Genetics: Translating Science into Action, Napier, New Zealand, 20th - 23rd October, 2013
Source of Publication: Proceedings of the Twentieth Conference of the Association for the Advancement of Animal Breeding and Genetics, p. 183-186
Publisher: AAABG: Association for the Advancement of Animal Breeding and Genetics
Place of Publication: Palmerston North, New Zealand
Field of Research (FoR) 2008: 070201 Animal Breeding
070205 Animal Protection (Pests and Pathogens)
Field of Research (FoR) 2020: 300305 Animal reproduction and breeding
300304 Animal protection (incl. pests and pathogens)
Socio-Economic Objective (SEO) 2008: 830311 Sheep - Wool
Socio-Economic Objective (SEO) 2020: 100413 Sheep for wool
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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Series Name: Proceedings of the AAABG ... Conference
Series Number : 20
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Appears in Collections:Animal Genetics and Breeding Unit (AGBU)
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