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The effects of plane of nutrition and slaughter weight on the performance and carcass composition of continental beef bulls given high forage diets

Published online by Cambridge University Press:  02 September 2010

D. C. Patterson ,
C. A. Moore  and
R. W. J. Steen
D. C. Patterson
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co. Down BT26 6DR
C. A. Moore
Affiliation:
Greenmount College of Agriculture and Horticulture, 22 Greenmount Road, Antrim, Co. Antrim BT41 4PU
R. W. J. Steen
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co. Down BT26 6DR
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Abstract

Bulls (½ Blonde d'Aquitaine ⅜ Charolais) were used in a 2 × 3 factorial design experiment with two planes of nutrition in the finishing period and three slaughter weights. High and low planes of nutrition were based on diets with similar forage to concentrate ratio (0·40 of dry matter (DM)) offered ad libitum or at 0·78 of ad libitum DM intake at equal live weight respectively. The target slaughter live weights were 550, 625 and 700 kg. Twelve bulls were taken to each slaughter point and an additional five animals were killed as a pre-experimental slaughter group. Mean initial live weight was 412 (s.e. 5·3) kg at a mean age of 342 (s.e. 2·5) days. No significant interactions were found between the main factors. For the high and low planes, live-weight and estimated carcass gains were 1251 and 989 (s.e. 47·7), and 816 and 668 (s.e. 35·3) g/day respectively, the reduction in gains being similar to the proportional degree of nutritional restriction. Plane of nutrition had no effect on live-weight or carcass gain per unit of energy intake. The low plane of nutrition produced significant decreases in body cavity fat depots, subcutaneous fat in the sample joint and increased the proportions of both saleable beef and high-priced joints in the carcass.

With increase in slaughter weight, energy intake per unit of live weight0·75 and rates of both live-weight and carcass gain tended to decline. The dressing proportions were 583,579 and 609 (s.e. 9·1) g/kg for the slaughter live weights of 550, 625 and 700 kg. Carcass conformation improved while fat depots in the body cavity and estimated concentration of separable fat in the carcass increased with increase in slaughter weight, and both estimated lean and bone concentrations decreased. Forequarter as a proportion of total side tended to increase with increase in slaughter weight. Slaughter weight had no effect on concentration of saleable meat or ultimate pH of carcass muscle. It is concluded that bulls of this genotype can be taken to high slaughter weights on diets having a relatively high proportion of forage as grass silage, with high rates of growth and acceptable carcass leanness.

Keywords

bullscarcass compositiongrowthplane of nutritionslaughter weight
Type
Research Article
Information
Animal Production , Volume 58 , Issue 1 , February 1994 , pp. 41 - 47
Copyright
Copyright © British Society of Animal Science 1994

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References

Agricultural Research Council. 1965. Recommended procedures for use in the measurement of beef cattle and carcasses. Agricultural Research Council, London.Google Scholar
Andersen, H. R. 1975. The influence of slaughter weight and level of feeding on growth rate, feed conversion and carcass composition of bulls. Livestock Production Science 2: 341–355.CrossRefGoogle Scholar
Andersen, H. R. and Ingvartsen, K. L. 1984a. Influence of energy level, weight at slaughter and castration on carcass quality in cattle. Livestock Production Science 11: 571–586.CrossRefGoogle Scholar
Andersen, H. R. and Ingvartsen, K. L. 1984b. The influence of energy level, weight at slaughter and castration on growth and feed efficiency in cattle. Livestock Production Science 11: 559–569.CrossRefGoogle Scholar
Bailey, C. M., Liboriussen, T., Andersen, H. R. and Andersen, B. B. 1985. Producing beef from intact male progeny of Holstein sires: feed efficiency and compositional characters. Journal of Animal Science 61: 27–35.CrossRefGoogle Scholar
Bergstrom, P. L. and Dijkstra, W. 1987. Effect of breed and level of nutrition on the carcass composition of young bulls. Institut voor Vceteeltkundig Onderzoek Schoonoord, report no. B-296.Google Scholar
Fortin, A., Simpfendorfer, J. T., Reid, H. T., Ayala, H. J., Anrique, R. and Kertz, A. F. 1980. Effect of level of energy intake and influence of breed and sex on the chemical composition of cattle, journal of Animal Science 51: 604–614.CrossRefGoogle ScholarPubMed
Geay, Y., Robelin, J. and Beranger, C. 1976. Influence of feeding level on live-weight gain and carcass composition in young bulls of different breeds. Annales de Zootechnie 25: 287–298.CrossRefGoogle Scholar
Graham, N. M. and Searle, T. W. 1972. Balances of energy and matter in growing sheep at several ages, body weights and planes of nutrition. Australian Journal of Agricultural Research 23: 97–108.CrossRefGoogle Scholar
Hicks, R. B., Owens, F. N., Gill, D. R., Martin, J. J. and Strasia, C. A. 1990. Effects of controlled feed intake on performance and carcass characteristics of feedlot steers and heifers. Journal of Animal Science 68: 233–244.Google Scholar
Keane, M. G., Allen, P., Connolly, J. and More O'Ferrall, G. J. 1991. Chemical composition of carcass soft tissues of serially slaughtered Hereford × Friesian, Friesian and Charolais × Friesian steers finished on two diets differing in energy concentration. Animal Production 52: 93–104.Google Scholar
Keane, M. G. and Drennan, M. J. 1980. Effects of diet type and feeding level on performance, carcass composition and efficiency of Friesian steers serially slaughtered. Irish Journal of Agricultural Research 19: 53–66.Google Scholar
Keane, M. G., More O'Ferrall, G. J., Connolly, J. and Allen, P. 1990. Carcass composition of serially slaughtered Friesian, Hereford × Friesian and Charolais × Friesian steers finished on two dietary energy levels. Animal Production 50: 231–243.Google Scholar
Kempster, A. J., Cooke, G. L. and Southgate, J. R. 1988. Evaluation of British Friesian, Canadian Holstein and beef breed × British Friesian steers slaughtered over a commercial range of fatness from 16-month and 24-month beef production systems. 2. Carcass characteristics and rate and efficiency of lean gain. Animal Production 46: 365–378.CrossRefGoogle Scholar
Kempster, A. J., Cuthbertson, A. and Harrington, G. 1982. Beef carcase grading and classification. In Carcase evaluation in livestock breeding, production and marketing, pp. 163–202. Granada, St. Albans.Google Scholar
Leaver, J. D., Campling, R. C. and Holmes, W. 1969. The effect of level of feeding on the digestiblity of diets for sheep and cattle. Animal Production 11: 11–18.Google Scholar
McCracken, K. J., Moore, C. A., Unsworth, E. F., Gordon, F. J., Steen, R. W. J. and Kilpatrick, D. J. 1991. Effect of plane of nutrition and slaughter weight on carcass characteristics of Friesian steers slaughtered at 500, 550 and 600 kg live weight. Animal Production 52: 592 (abstr.).Google Scholar
Moe, P. W., Reid, J. T. and Tyrrell, H. F. 1965. Effect of level of intake on digestibility of dietary energy by high producing cows. Journal of Dairy Science 48: 1053–1061.CrossRefGoogle ScholarPubMed
More O'Ferrall, G. J. and Kean, M. G. 1990. A comparison for live weight and carcass production of Charolais, Hereford and Friesian steer progeny from Friesian cows finished on two energy levels and serially slaughtered. Animal Production 50: 19–28.Google Scholar
Price, M. A., Jones, S. D. M., Mathison, G. W. and Berg, R. T. 1980. The effects of increasing dietary roughage level and slaughter weight on the feedlot performance and carcass characteristics of bulls and steers. Canadian Journal of Animal Science 60: 345–358.CrossRefGoogle Scholar
Russo, V. and Bosi, P. 1984. Slaughter weight effect on production performance and carcass composition of Italian Friesian young bulls. Thirty-fifth annual meeting of the European Association of Animal Production, The Hague. Summaries vol. 2, paper no. C5, p.5.Google Scholar
Steen, R. W. J. 1984. A comparison of two-cut and three-cut systems of silage making for beef cattle using two cultivars of perennial ryegrass. Animal Production 38: 171–179.Google Scholar
Steen, R. W. J. 1989. A comparison of soya-bean, sunflower and fish meals as protein supplements for yearling cattle offered grass silage-based diets. Animal Production 48: 81–89.CrossRefGoogle Scholar
Steen, R. W. J. 1992a. The effects of plane of nutrition and forage: concentrate ratio on the performance and carcass composition of steers. Animal Production 54: 450 (abstr.).Google Scholar
Steen, R. W. J. 1992b. The effects of plane of nutrition and slaughter weight on performance and carcass composition of beef cattle. Animal Production 54: 466 (abstr.).Google Scholar
Van de Voorde, G., Verbeke, R. and Van de Voorde, G. 1983. A study of carcass quality. 2. Carcass composition and value. Revue de L'Agriculture 36: 351–368.Google Scholar