1. Study of ageseason adjustment factors for dairy goats;Alderson;Dairy Goat J.,1978
2. Influence of month and season of calving on yields of milk and fat;Annis;Washington Agr. Exp. Bull.,1959
3. Cameons, J. K. 1974. Environmental and genetic factors influencing the performance of Holsteins in a tropical climate. Ph.D. thesis, Cornell University, Ithaca, NY.
4. Phenotypic parameters of dairy goat lactation records;Dickinson;J. Dairy Sci.,1977
5. Kupfer, M. 1928. The sexual cycle of female domesticated animals. The ovarian changes and the periodicity of oestrum in cattle, sheep, goats, pigs, donkeys, and horses. Union S. Africa, Dep. of Agric. 13th and 14th Rep. Part 111:1211.