Jersey cattle Archives

The genetic structure of the Jersey breed in South Africa

1987
Issue: 4
Volume: 17

J.S. Allan Page: 153 - 156

2024-09-14
flickerleap

An analysis of the pedigrees of a random sample of 100 South African-bred first-calf Jersey heifers registered in 1985 showed that most breeders have concentrated on a closely interrelated group of Marlu animals and their descendants. Of the 17 young…

2000
Issue: 3
Volume: 30

D.J. van Niekerk, F.W.C. Neser and G.J. Erasmus Page: 186 - 192

2024-09-14
flickerleap

Known environmental effects influencing type trait scores in South African Jersey cattle were identified. Variance components and heritabilities were estimated for these traits as well as genetic correlations among them and with production traits. Heritability estimates were generally low to…