Article
Seasonal fluctuations in plasma concentrations of luteinizing hormone and progesterone in Brahman (Bos indicus) and Hereford-Shorthorn (Bos taurus) cows grazing pastures at two stocking rates in a subtropical environment.
Animal reproduction science - 5 Dec 1997
Kinder J E, Whyte T R, Creed A, Aspden W J, D'Occhio M J
Abstract excerpt
The effects of day length and grazing intensity on seasonal fluctuations in plasma concentrations of luteinizing hormone (LH) and cyclic ovarian activity were determined in Brahman (Bos indicus) and Hereford-Shorthorn (Bos taurus) cows maintained at two stocking rates in a subtropical environment...
Topics
- Adaptation, Physiological
- Animals
- Cattle
- Climate
- Female
- Genotype
- Liver
- Luteinizing Hormone
- Organ Size
- Ovariectomy
- Progesterone
- Seasons