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2011

Wang, Z., MacNeil, J. D., Stewart-Smith, J., Tang, G., Basarab, J. A., Moore, S. S., Plastow, G.

Crossbreeding is an effective method for improving the efficiency of production in commercial cow-calf operations. It exploits available heterosis (hybrid vigour) and complementarity between different breeds or populations (lines). Before adopting a crossbreeding system, commercial cattle...

1983

Makarechian, M., Tennessen, T., Mathison, G. W., Price, M. A.

Fifty-three cross-bred bulls, aged 5–7 mo, were divided at random into a nonimplanted control group of 26 bulls and a treatment group of 27 bulls, which were each implanted with 36 mg of zeranol on the 1st, 81st, and 155th day of the experiment. They were fed a high energy diet ad libitum for 168...

1989

Makarechian, M., Farid, A., Berg, R. T., Price, M. A.

Yearling bull fertility, measured as pregnancy rate, percentage of calves born during the first 4 and 6 wk of calving and mean and median of calving date distribution, were studied in 109 single-sire breeding herds of two breed groups over a 10-yr period. The breed groups were Herefords bulls...

2011

Nalaila, S., Li, C., Moore, S. S., Stothard, P., Wang, Z.

Quantitative trait loci (QTL) mapped to large chromosomal regions have limited utility as DNA markers for marker-assisted selection (MAS) and are less informative as a reference for the identification of the underlying causative quantitative trait nucleotides (QTN). The objective of this study...