Heritability of Igf-i in Beef Cattle and Its Association with Growth and Carcase Traits

@inproceedings{Johnston2001HeritabilityOI,
  title={Heritability of Igf-i in Beef Cattle and Its Association with Growth and Carcase Traits},
  author={David J. Johnston and R Scott Herd and Antonio Reverter and Victor Hutton Oddy},
  year={2001}
}
Plasma insulin-like growth factor-1 (IGF-I) concentration taken post weaning from 1240 Bos Taurus beef cattle were used to estimate the heritability of the trait and to investigate its genetic relationship with various growth and carcase traits. IGF-I had a heritability estimate of 32% and was positively genetically correlated with various measures of carcase fatness, both on the live animal (scanned rump and rib fat depth) and carcase (intramuscular fat % and P8 fat). Genetic correlations with… CONTINUE READING
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