ewe age Archives

Phenotypic and genetic aspects of production in the Dohne Merino. III The influence of age of the ewe on reproductive performanc

1983
Issue: 3
Volume: 13

A.J. Fourie and H.J. Heydenrych Page: 164 - 166

2024-10-13
flickerleap

To determine the influence of age of ewe on reproductive performance and the age specific death rate in the Dohne Merino, data from 1 310 individual lambings accumulated between 1975 and 1980, were used. The reproductive performance of the Dohne…

Phenotypic and genetic aspects of production in the Dohne Merino. IV. The influence of age of the ewe on production traits

1983
Issue: 3
Volume: 13

A.J. Fourie and H.J. Heydenrych Page: 167 - 170

2024-10-13
flickerleap

To determine the influence of the age of the ewe on characteristics such as body mass, greasy fleece mass, clean fleece mass, fibre diameter and staple length, the data obtained from 500 ewes born between 1970 and 1979 were used.…

Factors affecting reproduction in Merino ewes of the Tygerhoek flock

1986
Issue: 1
Volume: 16

S.W.P. Cloete & H.J. Heydenrych Page: 36 - 42

2024-10-13
flickerleap

Factors affecting reproduction in Merino ewes were investigated using data of 7 917 matings of 2 258 ewes in the Tygerhoek flock during the lambing seasons of 1971 to 1984. The ewes were run in a selection trial to evaluate…