The aim of this study was to compare testosterone concentration, body weight, scrotal circumference and age to penis detachment from days 30 to 240 in young Boer goat males (n = 22) born during the dry (n = 11) and…
Thirty Karakul ram lambs, ten each born in summer, winter or spring were raised from birth to an age of 240 days with pen feeding to study the influence of season of birth on puberty and testis growth. During…
Female Boer goat kids were randomly allocated (post weaning) to 2 X 3 factorial design experiments for two observation periods, to monitor puberty and the induction thereof. Treatments for each period (December and April weaning seasons respectively) included three male…
The effect of feeding level on puberty development in Nguni, Bonsmara and Drakensberger heifers: The growing interest in the Nguni and the need for reliable data on the breed led firstly to an investigation of puberty development in Nguni, Bonsmara…
The aim of this experiment was to determine to what extent changes in the blood concentrations of insulin-like growth factor-1 (IGF-1), IGF binding proteins (IGFBPs), leptin and glucose are associated with compensatory growth and age at puberty in Friesian heifers.…
Genes were introduced from the prolific Finnish Landrace sheep breed by crossbreeding with indigenous breeds to produce several composites. In this study, two of these composites were compared to the Dorper in terms of reproductive characteristics and growth. Mean ovulation…
