References
- Bremrners , R. P. M. , Morgan , P. F. , McCutcheon , S. N. and Purchas , R. W. 1988 . Effect of plane of nutrition on energy and nitrogen retention, and on plasma urea concentrations in Southdown ram hoggets from high and low backfat selection lines . New Zealand journal of agricultural research , 31 : 1 – 7 .
- Carter , M. L. , McCutcheon , S. N. and Purchas , R. W. 1989 . Plasma metabolite and hormone concentrations as predictors of genetic merit for lean meat production in sheep: effects of metabolic challenges and fasting . New Zealand journal of agricultural research , in press
- Chasson , A. L. , Grady , A. J. and Stanley , M. A. 1961 . Determination of creatinine by means of automatic chemical analysis . American journal of clinical pathology , 35 : 83 – 88 .
- Clark , C. M. , Mackenzie , D. D. S. , McCutcheon , S. N. and Blair , H. T. 1989 . Physiological responses to selection for greasy fleeceweight in Romney sheep . New Zealand journal of agricultural research , in press
- Flux , D. S. , Mackenzie , D. D. S. and Wilson , G. F. 1984 . Plasmametabolite and hormone concentrations in Friesian cows of differing genetic merit measured at two feeding levels . Animal production , 38 : 377 – 384 .
- Gilmour , A. R. 1985 . REG: A generalized linear models programme. Miscellaneous bulletin No.1. , Australia : Division of Agricultural Services, N.S.W. Department of Agriculture .
- Gluckman , P. D. , Breier , B. H. and Davis , S. R. 1987 . Physiology of the somatotropic axis with particular reference to the ruminant . Journal of dairy science , 70 : 442 – 466 .
- Hanrahan , J.P. 1986 . An Foras Taluntais annual report: 87
- McCutcheon , S. N. and Bauman , D. E. 1986 . Effect of chronic growth hormone treatment on responses to epinephrine and thyrotropin-releasing hormone in lactating cows . Journal of dairy science , 69 : 44 – 51 .
- McCutcheon , S. N. , Mackenzie , D. D. S. and Blair , H. T. 1987 . Nitrogen metabolism and plasma urea concentrations in fleeceweight-selected and control Romney rams . Australian journal of agricultural research , 38 : 917 – 926 .
- Marsh , W.H. , Fingerhut , B. and Muller , H. 1965 . Automated and manual direct methods for the determination of blood urea . Clinical chemistry , 11 : 624 – 627 .
- Mersmann , H. J. , Pond , W. G. and Yen , J. T. 1984 . Use of carbohydrate and fat as energy source by obese and lean swine . Journal of animal science , 58 : 894 – 902 .
- Purchas , R. W. and Beach , A. D. 1981 . Between-operator repeatability of fat depth measurements made on live sheep and lambs with an ultrasonic probe . New Zealand journal of experimental agriculture , 9 : 213 – 220 .
- Purchas , R. W. , Rae , A. L. and Barton , R. A. 1982 . Repeatability of weight-corrected ultrasonic fatdepth measurements made on ewes at intervals of one year . New Zealand journal of agricultural research , 25 : 185 – 190 .
- Rosevear , J. W. , Pfaff , K. J. , Service , F. J. , Molnar , O. D. and Ackennan , E. 1969 . Glucose oxidase method for continuous automated blood glucose determination . Clinical chemistry , 15 : 680 – 698 .
- Searle , S. R. 1971 . Linear models , New York : Wiley .
- Sejrsen , K. , Larsen , F. and Anderson , B. B. 1984 . Use of plasma honnone and metabolite levels to predict breeding value of young bulls for butterfat production . Animal production , 39 : 335 – 344 .
- Sinnett-Smith , P. A. , Slee , J. and Woolliams , J. A. 1987 . Biochemical and physiological responses to metabolic stimuli in Friesian calves of differing genetic merit for milk production . Animal production , 44 : 11 – 19 .
- Tilakaratne , N. , Alliston , J. C. , Carr , W. R. , Land , R. B. and Osmond , T. J. 1980 . Physiological attributes as possible selection criteria for milk production. I. Study of metabolites in Friesian calves of high or low genetic merit . Animal production , 30 : 327 – 340 .