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The occurrence of Grahamella couchi sp. n. in the multimammate mouse (Mastomys coucha) in South Africa
Neitz, W.O.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
In 1903 Graham-Smith found intracellular parasites in the erythrocytes of approximately 10 per cent of moles in England. The object of this paper is to record the occurrence of a species of Grahamella found in several ...
On the constitution of the bitter principle "Geigerin" I. The isolation of various degradation acids
De Waal, H.L.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
In this study the author wish to record the first results already obtained on the constitution of Geigerin and to describe various degradation products obtained in oxidation or otherwise.These were very encouraging. Until ...
The detection of strychnine in carcasses and corpses
Steyn, Douw G.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
This discussion was based on experiments conducted by the author upon twenty-four dogs killed with strychnine and five control dogs which were shot and buried on 7th September, 1933. The remains of these twenty-nine dogs ...
Surfen C therapy in Trypanosoma congolense Infection in bovines and ovines
Van Rensburg, S.W.J.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
A review of the literature is given. The reports on the efficacy and local tolerability of Surfen C show that the results obtained with the drug in various parts of Africa are conflicting. The results obtained were ...
South African helminths. Part II. Some Taenias from large wild carnivores
Ortlepp, R.J.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
Seven species of Taenia, hitherto unrecorded, are here described namely T. babesei and T. gongamai from lions, T. ingacei from a leopard, T. hlosei and T. acinomgri from cheetahs and T. jakhalsi and T. pungutchui from ...
The extraction of wool-grease
Rossouw, S.D.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
The medical importance of wool grease was appreciated by theancient Greeks as early as 450 B.C. Through mediaeval periods its use is referred to in various writings, and the methods of preparation are discussed. Galen ...
Auto-sterilization in Trypanosomiases
Parkin, B.S.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
In the course of experiments on the chemotherapy of infections due to T. congolense and T. vivax, it was observed that infected animals, some considerable time after treatment or even without treatment, made spontaneous ...
Quantitative studies upon porphyrin excretion in bovine congenital prophyrinuria (Pink tooth) no. I
Rimington, Claude; Roets, G.C.S.; Fourie, P.J.J.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
Since the literature reveals little accurate information as to the quantities of porphyrins excreted in congenial prophyrinuria, studies of these bovine eases have been undertaken with a view to ascertaining whether or not ...
The occurrence of Nuttallia cynicti sp. n. in the yellow mungoose Cynictis pennicillata in South Africa
Neitz, W.O.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
Blood parasites belonging to the family Babesidae have been described in four species of carnivora belonging to the family Viverridae. With the exception of Patton who records only the fact that he has seen piroplasms in ...
A monograph of the helminth parasites of the elephant
Van der Westhuysen, O.P.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
Since the literature on the helminth parasites of the elephant is extremely scattered and contained in various periodicals, the object of this paper was to attempt to compose a synopsis of all the hitherto known helminth ...
The destruction of Piroplasma canis by the neutrophiles and large mononuclear leucocytes
Neitz, W.O.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
The pathological changes observed in piroplasma infection in dogs depend on a number of factors such as the breed, age, general condition of the host, intensity of the infection and duration of the disease. The biliary ...
Subject index
Du Toit, P.J. (Pretoria : Government Printer, 1938)
Subject index for the Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 10, nos. 1 and 2, 1938
Protein studies. Plant protein II. The biological values of lucernemeal, sesamemeal, peanutmeal, coprameal, cottonseedmeal and oatmeal
Smuts, D.B.; Malan, A.L.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
The conception of biological values of proteins was first introduced by Thomas, who defined biological value as the number of parts of body nitrogen replaced by 100 parts of food protein. His technique, adapted to human ...
The assimilation of calcium and phosphorus by the growing bovine
Otto, J.S.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
Three series of long period feeding experiments with cattle are recorded, during which balances of Ca and P for the individual animals were determined. The first experiment was designed to test the availability of various ...
Author index
Du Toit, P.J. (Pretoria : Government Printer, 1938)
Author's index for the Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 10, nos. 1 and 2, 1938
The growth promoting qualities of various protein concentrates for Leghorn chickens
Bronkhorst, J.J.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
Comparable groups of baby chicks, given meat meal supplements from different sources, did not grow at the same rate, even though the diets were balanced to the same level of protein. The incidence of nutritional para lysis ...
Automatic control of fixation time of histological specimens
Jackson, Cecil; Du Toit, P.J. (Pretoria : Government Printer, 1938)
An inexpensive and effective device to facilitate the process of fixing normal and pathological histological specimens in fluids which have a narrow margin of optimum fixation time has been in daily use at Onderstepoort ...
A further case of congenital porphyrinuria (Pink tooth) in a living grade Friesland cow in South Africa (Cedara case)
Fourie, P.J.J.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
A further living case of congenital porphyrinuria is described of a cow which gave birth to a clinically normal heifer calf and showing herself discoloured teeth, porphyrin in urine and faeces and extensive skin lesions ...
The influence of the protein level of the diet on the growth, egg production, egg weight, and morality of Single Comb White Leghorn pullets
Bronkhorst, J.J.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
With a basal mash consisting of yellow maize and wheat by-products, 10 per cent, of meatmeal was as satisfactory as 15 or 20 per cent, during the period from 9 weeks to maturity. Age at sexual maturity and subsequent egg ...
Protein studies. Plant protein I. A comparative study of the growth promoting properties of the proteins of the peanutmeal, sesamemeal, coprameal, lucernemeal and cottonseedmeal
Smuts, D.B.; Du Toit, P.J. (Pretoria : Government Printer, 1938)
In the course of extensive investigations at this Institute on the mineral deficiencies prevailing under natural conditions of grazing, indications pointing to a total or partial protein deficiency during certain seasons ...
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