Browsing 1943 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 18, 1943 by Type "Article"
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Browsing 1943 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 18, 1943 by Type "Article"
Now showing items 1-20 of 30
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(Pretoria : The Government Printer, 1943)Methods for the determination of the acetone bodies in both blood and urine in sheep suffering from Domsiekte are given. The preliminary treatment with basic lead acetate and ammonia, has been found to be of no advantage ...
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(Pretoria : The Government Printer, 1943)The systems of orthogonal polynomials mainly used in practice are derived from a common general formula, which is established by the principle of least squares, utilizing results from the Finite Calculus. A simplified ...
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(Pretoria : The Government Printer, 1943)1. Rats of 5-6 weeks of age with a vitamin A-reserve of about 1,200 I.U., when fed a vitamin A deficient ration depleted their reserves in the livers in 24 weeks’ time. 2. Characteristic symptoms were observed in the ...
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(Pretoria : The Government Printer, 1943)(1) It has been confirmed that a sudden and drastic reduction in diet of fat ewes in the fourth month of pregnancy causes typical domsiekte or pregnancy disease. The condition was evinced clinically, chemically and ...
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(Pretoria : The Government Printer, 1943)1. Obesity is a potent factor in the causation of "pregnancy disease" or domsiekte. 2. In the absence of fatal acetonaemia, prolonged semi-starvation of sheep causes a gradual decrease in the circulating lymphocytes ...
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(Pretoria : The Government Printer, 1943)From the observations made on: normal ewes as well as on spayed ewes following treatment with stilboestrol and pregnant mare serum, evidence is presented showing that seasonal anoestrus in merino ewes is closely associated ...
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(Pretoria : The Government Printer, 1943)Positive results were obtained when vitaminized peanut butter was fed in small doses of 4.2 and 8.4 I.U's. of vitamin A per rat daily. Body weight increases served as criteria. For the same peanut butter, on chemical tests ...
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(Pretoria : The Government Printer, 1943)A Shorthorn bull 7597 remotely related to a porphyrin carrier (Dr) bull (7015) and showing skin lesions of photosensitization from calfhood, was bred to two cows suffering from congenital porphyrinuria (pink tooth). ...
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(Pretoria : The Government Printer, 1943)Constant live-weight has been used as criterion in measuring the maintenance requirement of adult sheep during winter. It has been found that an animal weighing 100 lb. requires 2.106 lb. of a grass hay, containing 1622 ...
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(Pretoria : The Government Printer, 1943)From the results of a series of metabolism studies on sheep with open rumen fistulae in which a basal ration of winter grazing was supplemented with meatmeal and increasing amounts of crushed maize it was found that: (1) ...
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(Pretoria : The Government Printer, 1943)A method for the isolation of potassium cymonate, the toxic principle of Dichapetalum cymosum has been described. The M.L.D. of potassium cymonate for the rabbit is 0.5 to 0.75 mgm. per kilogram bodyweight.
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(Pretoria : The Government Printer, 1943)1. The photosensitising constituent of Lantana camara L. has been isolated and named Lantanin. The empyrical formula is C₃₁H₄₄O₅. 2. The functions of the five oxygen atoms have been determined, viz., a lactone group, ...
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(Pretoria : The Government Printer, 1943)1. A form of paralysis or paresis prevalent in some parts of the Union in young pigs is described. There was evidence already that it was due to a deficient diet. 2. Experiments were carried out to establish the cause ...
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Pigment metabolism. I. The examination of the urine and blood of dogs for bilirubin and haemoglobin (Pretoria : The Government Printer, 1943)1. In all the cases of bilirubinaemia examined, whether the animals suffered from canine piroplasmosis or hepatic disturbances abnormal amounts of bilirubin were excreted in the urines. 2. Haemoglobin was frequently ...
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(Pretoria : The Government Printer, 1943)The investigations on Theileria parva infection of cattle revealed : (1) That bilirubinaemia did occur, the highest figure for plasma bilirubin being 12 v. d. Bergh units. (2) That the yellow staining of the fat is due ...
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(Pretoria : The Government Printer, 1943)Of the twenty-two plants investigated, six were, for the first time, proved to be toxic, namely Boscia foetida Schinz., Cadaba juncea (Linn.) B. & H., Othonna cluytifolia O.K., Drimia alta R. A. Dyer, Scilla natalensis ...
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(Pretoria : The Government Printer, 1943)In studying ways and means of converting, on a commercial basis, an alkali carbonate such as potassium carbonate to the corresponding alkali sulphate, one should bear in mind that the success of the conversion should be ...
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(Pretoria : The Government Printer, 1943)1. From collections of maggots from live sheep at Onderstepoort, Dohne, C.P. and the main sheep farming areas of the Union of South Africa, Lucilia cuprina alone was responsible for 55 per cent. of the total strikes, and ...
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(Pretoria : The Government Printer, 1943)1. Attempts have been made to isolate and estimate some of the organic acids, chiefly lower fatty acids, said to be present in small quantities in suint. Apart from the identification of benzoic acid as a decomposition product ...
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(Pretoria : The Government Printer, 1943)1. In a search for olfactory attractants to sheep blowflies, tests were conducted by means of an olfactometer in the laboratory, while some substances were tested under field conditions in traps. 2. Certain alcohols, ...
Now showing items 1-20 of 30