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Browsing South African National Veterinary Repository by Author "Quinlan, John"
Now showing items 1-10 of 10
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Riemerschmid, G.; Quinlan, John; Du Toit, P.J. (Pretoria : The Government Printer, 1941)1. The temperature of the scrotal surface has been recorded at various air-temperatures within the range 10°C. to 40°C. (50°F. to 104°F.). 2. At low air-temperatures (10°C. to 25°C.) the temperature on areas I, II, and ...
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Quinlan, John; Myburgh, S.J.; De Vos, D.; Du Toit, P.J. (Pretoria : The Government Printer, 1941)(1) The pH of the vaginal secretion of mature merino ewes, measured during oestrus, gave a mean value of 6·648, with a range of 5·85 to 7·40. During mid-dioestrus the mean value was 6·694, with a range of 6·00 to 7·60. ...
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Quinlan, John; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1928)
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Quinlan, John; Roux, L.L.; Van Aswegen, W.G.; De Lange, N.; Du Toit, P.J. (Pretoria : The Government Printer, 1941)(1) Ten female native goats were mated to, or artificially inseminated with semen from a number of highly fertile sheep-rams during four breeding seasons. (2) There was great difficulty in obtaining fertilisation, but ...
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Bonsma, H.C.; Rose, P.D.; Quinlan, John; Claassens, C.C.; Du Toit, P.J. (Pretoria : Government Printer, 1939)Very little is known of the origin of the Ronderib-Afrikaner sheep, but it is generally believed to have been developed by selection from the indigenous sheep of the fat-tailed type which were in the posession of the ...
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Quinlan, John; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1928)
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Quinlan, John; Roux, Lucien L.; Du Toit, P.J. (Pretoria : Government Printer, 1936-04)The effects of a dry ration, high condition, the absence of sunlight, and exercise upon the sexual activity and reproduction of beef females have been studied. The results obtained during six years of observations are ...
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Roux, Lucien L.; Van Aswegen, W.G.; Quinlan, John; Du Toit, P.J. (Pretoria : Government Printer, 1939)1. Twenty-eight high grade Sussex X Afrikander heifers, maintained in an artificial environment, enforcing dry rations and restricted exercise, has been observed regarding (1) the length of the period between birth and ...
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Quinlan, John; De Kock, G.; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1928)
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Quinlan, John; Union of South Africa. Dept. of Agriculture (Pretoria : Government Printer and Stationery Office, 1928)
Now showing items 1-10 of 10