1. Calcium requirement of the young West African Dwarf Goats (Fouta djallon) for maintenance and growth;Adelye;East Afric. J. Agric. Forest,1984
2. Ademosum, A.A., Bosman, H.G., Haenlein, G.F.W., Adebowale, E.A., 1992. Recent advances in nutrition requirements of goats. In: Pre-conference Proceedings of the 5th International Conference on Goats, Invited Papers, Vol. 2, No. 1. New Delhi, India, 95 pp.
3. Plasma levels of major trace elements in dairy cows during pregnancy and lactation;Anges;Atte Della Societa Italiana Delle Science Veterinare,1986
4. AOAD, 1990. Arab organization for agricultural development, goat resources. In: Arab Countries, Khartoum, Sudan, 105 pp.
5. Calcium-regulating and metabolic hormones during the lactating cycle of Holstein and Jersey cows;Ballantine;J. Dairy Sci.,1989