environmental effects Archives

Evaluation of candidate gene effects and environmental factors on reproductive performance of Holstein cows

2019
Issue: 2
Volume: 49

S. Ardicli, H. Samli, B. Soyudal, D. Dincel & F. Balci Page: 379 - 394

2024-10-14
vanryssen

This study investigated the impact of nine polymorphisms located in the CSN2, CSN3, CSN1S1, CSN1S2, OLR1, LALBA, STAT1, DGAT1 and LGB genes, and environmental factors including calving year, season and parity on reproductive traits. The analysis was conducted on 165…

Non-genetic factors affecting growth performance and carcass characteristics of two South African pig breeds

2011
Issue: 2
Volume: 41

B. Dube, S.D. Mulugeta, R.R. van der Westhuizen & K. Dzama Page: 161 - 176

2024-10-14
flickerleap

A study was conducted to establish non-genetic factors affecting growth and carcass traits in Large White and Landrace pigs. This study was based on 20 079 and 12 169 growth and 5 406 and 2 533 carcass data collected on…

Genetic and environmental factors influencing the quality of pelt traits in Karakul sheep

1998
Issue: 3
Volume: 28

S.J. Schoeman Page: 125 -

2024-10-14
flickerleap

Genetic and environmental effects on performance traits of Simmentaler cattle on the Transvaal Highveld

1994
Issue: 4
Volume: 24

T. Rust and J. van der Westhuizen Page: 125 - 128

2024-10-14
flickerleap

Simmentaler cattle of the Highveld Region Development Institute were used in this study to determine the genetic and enviÂ¬ronmental effects on birth mass, weaning mass and the mass gain from birth to weaning. During winter the animals were kept in…