Allden, W. G. 1970. The effects of nutritional deprivation on the subsequent productivity of sheep and cattle. Nutrition Abstracts and Reviews 40: 1167–1184.
Arnett, D. W., Holland, G. L. and Totusek, R. 1971. Some effects of obesity in beef females. Journal of Animal Science 33: 1129–1136.
Bellows, R. A. 1968. Reproduction and growth in beef heifers. Al Digest 16: 2.
Bellows, R. A., Short, R. E., Anderson, D. C., Knapp, B. W. and Pahnish, O. F. 1971. Cause and effect of relationships associated with calving difficulty and calf birth weight. Journal of Animal Science 33: 407–415.
Bond, J. and Weinland, B. T. 1978. Effect of level of feeding on growth, reproductive performance and milk production of beef females. Livestock Production Science 5: 159–169.
Bond, J. and Wiltbank, J. N. 1970. Effect on energy and protein on estrus, conception rate, growth and milk production of beef females. Journal of Animal Science 30: 438–444.
Bowden, D. M. 1977. Growth, reproductive performance and feed utilization of F, crossbred beef heifers calving as 2-year-olds. Journal of Animal Science 44: 872–882.
Brinks, J. S., Olson, J. E. and Carroll, E. J. 1973. Calving difficulty and its association with subsequent productivity in Herefords. Journal of Animal Science 36: 11–17.
Burfening, P. J. 1974. Dairy-beef crossbreeding. II. Age and weight at puberty. Journal of Animal Science 38: 1320 (Abstr.).
Burfening, P. J., Kress, D. D., Friedrich, R. L. and Vaniman, D. 1978. Calving ease and growth rate of Simmental-sired calves. I. Factors affecting calving ease and growth rate. Journal of Animal Science 46: 922–929.
Clanton, D. C., Jones, L. E. and England, M. E. 1983. Effect of rate and time of gain after weaning on the development of replacement beef heifers. Journal of Animal Science 56: 280–285.
Dickerson, G. E., Kunzi, N., Cundiff, L. V., Koch, R. V., Arthaud, V. H. and Gregory, K. E. 1974. Selection criteria for efficient beef production. Journal of Animal Science 39: 659–673.
Gregory, K. E., Laster, D. B., Cundiff, L. V., Smith, G. M. and Koch, R. M. 1979. Characterization of biological types of cattle — Cycle III: II. Growth rate and puberty in females. Journal of Animal Science 49: 461–471.
Hill, J. R., Lamond, D. R., Hendricks, D. M., Dickey, J. F. and Niswender, G. D. 1970. The effects of undernutrition on ovarian function and fertility in beef heifers. Biology of Reproduction 2: 78–84.
Johnsson, I. D. and Obst, J. M. 1984. The effects of level of nutrition before and after 8 months of age on subsequent milk and calf production of beef heifers over three lacations. Animal Production 38: 57–68.
Laster, D. B., Glimp, H. A., Cundiff, L. V. and Gregory, K. E. 1973. Factors affecting dystocia and the effects of dystocia on subsequent reproduction in beef cattle. Journal of Animal Science 36: 695–705.
Lesmeister, J. L., Burfening, P. J. and Blackwell, R. L. 1973. Date of first calving in beef cows and subsequent calf production. Journal of Animal Science 36: 1–6.
Nelsen, T. C., Long, C. R. and Cartwright, T. C. 1982. Postinflection growth in straightbred and crossbred cattle. II. Relationships among weight, height and pubertal characters. Journal of Animal Science 55: 293–304.
Phillips, J. F. V. 1973. The agricultural and related development of the Tugela Basin and its influent surrounds. Pietermaritzburg: Natal Town and Regional Planning Report No. 19.
Roberts, S., Lefever, D. G. and Wiltbank, J. N. 1970. Increasing reproductive efficiency in a cow herd. Journal of Animal Science 30: 1032 (Abstr.).
Short, R. E. and Bellows, R. A. 1971. Relationships among weight gains, age at puberty and reproductive performance in heifers. Journal of Animal Science 32: 127–131.
Wiltbank, J. N. 1977. Managing beef cows to get them pregnant. Proceedings of the Range Beef Cow Symposium, Chadron, Nebraska.
Wiltbank, J. N., Gregory, K. E., Swiger, L. A., Ingalls, J. E., Rothlisberger, J. A. and Koch, R. M. 1966. Effects of heterosis on age and weight at puberty in beef heifers. Journal of Animal Science 25: 744–751.
Wiltbank, J. N., Kasson, C. W. and Ingalls, J. E. 1969. Puberty in crossbred and straightbred beef heifers on two levels of feed. Journal of Animal Science 29: 602–605.