1. Effect on milk production and calf performance of milking crossbred European/Zebu cattle in the absence or presence of the calf, and of rearing their calves artificially;Alvarez;Trop. Anim. Prod.,1980
2. Pre-weaning nutritional management and dry season nutritional supplementation on intake, growth and onset of puberty of improved Zebu heifers;Bwire;Livestock Prod. Sci.,1996
3. Rearing Holstein Friesian and Brown Swiss calves on nurse cows;Carias;Tropical Anim. Prod.,1984
4. Chamberlain, A., 1989. Systems of milk production. Milk production in the tropics. Longman group, UK Limited, Scientific and Technical, Harlow, Essex, UK, pp. 2–6.
5. Das, S.M., 1988. Reproductive efficiency traits of Mpwapwa cattle and their crosses and viability of the calves. M.Sc. Thesis. Sokoine University of Agriculture, Morogoro, Tanzania, p. 224.