AOAC. 1984. Official Methods of Analysis. 14th edn. Association of Official and Agricultural Chemists, Arlington, Virginia, USA.
Chicco, C. F., E. Shultz, V. Bodisco and A. Shultz. 1982. Effects of pre- and post-partum feeding levels on body weight changes and milk production of Holstein and Brown-swiss cows tropical conditions. Nutr. Abstr. Review 53:3137.
Crampton, E. W. and L. A. Maynard. 1938. The relation of cellulose and lignin content to the nutritive value of animal feeds. J. Nutr. 16:383-95.
Flaherty, M. 1993. A nutrition boost right before calving. Dairy Herd Mgmt. 30:36-39.
Gargantini, O. F., A. C. G. Castro and J. A. Carcia. 1984. Study of three periods of pre-partum feeding in relation to the performance of dairy cows. Dairy Sci. Abstr. 47:4565.
Garnsworthy, P. C. and J. H. Topps. 1982. The effect of body condition of dairy cows at calving on their food intake and performance when given complete diets. Anim. Prod. 35:113-19.
Hill, F. N. and D. L. Anderson. 1958. Comparison of metabolizable energy and productive energy determination with growing chicks. J. Nutr. 64:587-603.
Holter, J. B., M. J. Slotnick, H. H. Hayes, C. K. Bozak, W. E. Urban and McGilliard. 1990. Effect of pre-partum dietary energy on condition score, post-partum energy, nitrogen partition and lactation production responses. J. Dairy Sci. 73:3502-11.
Johnson, C. L. 1979. Effect of level and frequency of concentrate feeding on the performance of dairy cows of different yield potentials. J. Agric. Sci. Camb. 92:743-51.
Kale, M. M. and O. S. Tomer. 1991. Effect of pre-partum feeding on the post-partum performance of crossbred cows. Indian J. Anim. Prod. Mgmt. 7:1-7.
Khan, M. A. A., M. N. Islam, M. A. S. Khan and M. A. Akbar. 2002. Effect of restricted and ad. libitum feeding during late pregnancy on the performance of crossbred cows and their calves. Asian Aust. J. Anim. Sci. 15:1267-72.
Khatkar, M. S., A. K. Jain and O. S. Parmar. 1992. Body weight changes after calving and their relationship with production and service period in crossbred cows. SARAS J. Livestock and Poult. Prod. 8:30-35.
Kunz, P. L., J. W. Blum, I. C. Hart, H. Bichet and J. Landis. 1985. Effect of different energy intakes before and after calving on food intake, performance and blood hormones and metabolites in dairy cows. Anim. Prod. 40:219-31.
Little, W. and R. D. Harrison. 1981. Effect of different rates of live weight gain during rearing on the performance of Friesian heifers in their first lactation. Anim. Prod. 32:362.
Lodge, G. A., L. J. Fisher and J. R. Lassard. 1975. Influence of pre-partum feed intake on performance of cows fed ad. libitum during lactation. J. Dairy Sci. 58:697-702.
McClure, T. J. 1965. A nutritional cause of low non-return rates in dairy herds. Aust. Vet. J. 41:119-22.
National Research Council. 1989. Nutrient Requirements of Dairy Cattle. 6th edn. National Academy Press, Washington, DC., USA.
Prasad, S. and O. S. Tomar. 1995a. Effect of pre-partum level of conditioning on body condition score and related physical parameters in crossbred cows. Indian J. Anim. Prod. Mgmt. 11:135-38.
Prasad, S. and O. S. Tomar. 1995b. Effect of pre-partum level of conditioning of certain calving and related parameters in crossbred cows. Indian J. Anim. Prod. Mgmt. 11:139-42.
Qureshi, M. S. 1995. Conventional buffalo farming system in North-West Frontier Province of Pakistan. Buffalo Bulletin 34:38-41.
Qureshi, M. S., G. Habib, H. A. Samad, M. M. Siddiqui, N. Ahmad and M. Syed. 2002. Reproduction-nutrition relationship in dairy buffaloes. 1. Effect of intake of protein, energy and blood metabolite levels. Asian-Aust. J. Anim. Sci. 15:330-39.
Robertson, J. A. and P. J. VanSoest. 1981. The detergent system of analysis and its application to human food. In: The Analysis of Dietary Fibre in Food, (Ed. W. P. T. James and O. Theander. Marcel Decker) Inc., New York. 123-58.
Sasser, R. G., R. J. Williams, R. C. Bull, C. A. Ruder and D. G. Falh. 1988. Post-partum reproductive performance crude; protein restricted beef cows: Return to estrus and conception. J. Anim. Sci. 60:3033.
Snedecor, G. W. and W. G. Cochran. 1968. Statistical Methods. Oxford and IBH Publishing Company, Mumbai.
Treacher, R. J., I. M. Reid and S. J. Roberts. 1986. Effect of body condition at calving on the health and performance of dairy cows. Anim. Prod. 43:1-6.
Yadava, R. K., L. O. Gilmore and H. R. Conard. 1974. The effect of body condition at calving on milk production in dairy cow. Indian J. Dairy Sci. 27:197-99.
Yadava, R. K., H. R. Conrad and L. O. Gilmore. 1976. Effect of body condition at calving on reproductive performance in dairy cows. Indian J. Dairy Sci. 29:139-40.