Items where Author is "O'Rourke, P.K."

Article

Sullivan, R.M. and O'Rourke, P.K. (1997) A comparison of once- and twice-yearly weaning of an extensive herd in northern Australia 1. Cow liveweights, mortalities and fertility. Australian Journal of Experimental Agriculture, 37 (3). pp. 279-286. ISSN 0816-1089

Sullivan, R.M., O'Rourke, P.K. and Neale, J.A. (1997) A comparison of once- and twice-yearly weaning of an extensive herd in northern Australia 2. Progeny growth and heifer productivity. Australian Journal of Experimental Agriculture, 37 (3). pp. 287-293. ISSN 0816-1089

O'Rourke, P.K., Fordyce, G., Holroyd, R.G. and Loxton, I.D. (1995) Mortality, wastage, and lifetime productivity of Bos indicus cows under extensive grazing in northern Australia. 1. Seasonal mating in the speargrass region. Australian Journal of Experimental Agriculture, 35 (3). pp. 285-295. ISSN 0816-1089

O'Rourke, P.K., Sullivan, R.M. and Neale, J.A. (1995) Mortality, wastage, and lifetime productivity of Bos indicus cows under extensive grazing in northern Australia. 2. Continuous mating in the semi-arid tropics. Australian Journal of Experimental Agriculture, 35 (3). pp. 297-305. ISSN 0816-1089

O'Rourke, P.K., Fordyce, G., Holroyd, R.G. and Sullivan, R.M. (1995) Mortality, wastage, and lifetime productivity of Bos indicus cows under extensive grazing in northern Australia. 3. Comparison of culling strategies. Australian Journal of Experimental Agriculture, 35 (3). pp. 307-316. ISSN 0816-1089

Dodt, R.M. and O'Rourke, P.K. (1988) Dentition in beef cattle in northern Australia. Queensland Journal of Agricultural and Animal Sciences, 45 (1). pp. 53-56.

Ernst, A.J., Limpus, J.F., O'Rourke, P.K. and Loxton, I.D. (1976) The effect of biuret grain and a mineral mixture on the intake and liveweight performance of steers. Queensland Journal of Agricultural and Animal Sciences, 33 (2). pp. 213-221.

Armstrong, R.T.F. and O'Rourke, P.K. (1976) The effect of pregnancy and lactation on wool weight in a commercial Merino flock in southern Queensland. Queensland Journal of Agricultural and Animal Sciences, 33 (1). pp. 9-11. ISSN R1467

Monograph

O'Rourke, P.K. and Howitt, C.J. (1989) Validation of genetic parameters for breeding Bos indicus cross cattle in the dry tropics. Project Report. Meat Research Corporaton.

Conference or Workshop Item

Holroyd, R.G. and O'Rourke, P.K. (1980) Reproductive performance of F1 brahman-shorthorn and F1 Sahiwal-shorthorn cattle in northern Australia. In: Animal Production in Australia: The Australian Society of Animal Production. Thirteenth Biennial Conference., August, Perth, Western Australia,.