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1950 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 24, 1950
Contentes Pages: Onderstepoort Journal of Veterinary Research, Vol ??, 19??
CONTENTS |
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Volume 24: Numbers 1
& 2 |
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Section I: Parasitology
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Zoological
Survey of the Union of South Africa. Tick survey. Part IV. Distribution
of Rhipicephalus capensis, the Cape brown tick
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Theiler, G |
7 |
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Zoological
Survey of the Union of South Africa. Tick survey. Part V. Distribution of
Rhipicephalus evertsi, the red tick
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Theiler, G |
33 |
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Zoological
Survey of the Union of South Africa. Tick survey. Part VI. Distribution
of the Ixodids : Ixodes pilosus and Ixodes rubicundus
|
Theiler, G |
37 |
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Section II: Toxicology |
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Recent
investigations into the toxicity of known and unknown poisonous plants in
the Union of South Africa. XVI
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Steyn, DG |
53 |
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Section III: Nutrition |
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The
nutritive value of South African feeding stuffs. III. Digestible nutrients
and metabolizable energy content of a mixture (1:1) of lucerne hay and yellow
maize at different planes of intake for sheep
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Truter, GJ & Louw, JG |
57 |
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Digestibility
of lucerne hay with special reference to experimental technique in digestion
trials
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Groenewald, JW, Myburgh, SJ, Laurence, GB &
Louw, JG |
67 |
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The
availability of the calcium and phosphorus in " electrofos " for bone formation.
I. In the rat
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Reinach, N & Louw, JG |
87 |
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Section IV: Physiology
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Studies
on the photosensitisation of animals in South Africa. XII. An attempt to
identify the icterogenic factor in geeldikkop; the reaction of nitrous acid
on chlorophyll
|
Sapiro, ML |
105 |
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Studies
on the alimentary tract of merino sheep in South Africa. XVI. On the identity
of Schizosaccharomyces ovis. Part I. Some yeast-like organisms isolated
from the rumen contents of sheep fed on a lucerne diet
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Oxford, AE, Quin, JI & Van der Westhuizen,
GCA |
119 |
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Section V: Reproduction |
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The
influence of delayed breeding on the fertility of beef heifers
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De Lange, M |
125 |
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Section VI: Wool Research |
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Studies
on wool grease and suint. I. The refractive index of wool grease
|
Rossouw, SD |
355 |
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Author
index
|
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363 |
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Subject
index
|
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364 |
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Recent Submissions
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Anonymous; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
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Anonymous; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
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Rossouw, S.D.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
1. The refractive index of 23 samples of wool grease from different sources
of raw wool has been determined over a temperature range from 25° C. to 50°C.
2. Curves plotted from the data show a definite form of ...
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De Lange, M.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
(1) Twenty-five beef heifers were subjected to delayed breeding up to ages
varying from four years to five years eight months.
(2) Observations on body-weights, age of sexual maturity, the periodicity and
duration of ...
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Oxford, A.E.; Quin, J.I.; Van der Westhuizen, G.C.A.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
All attempts by the usual mycological techniques to isolate 'Schizosaccharomyces
ovis', have failed although other yeast-like organisms have been
isolated, often in quantity, from rumen ingesta. None of these organisms ...
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Sapiro, M.L.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
1. The reaction of nitrous acid on chlorophyll yielded four compounds,
denoted for convenience as A, B, C and D.
2. The compounds are all distinctive in appearance, are highly coloured and
three of them have sharp ...
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Groenewald, J.W.; Myburgh, S.J.; Laurence, G.B.; Louw, J.G.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
Five steers were used to determine the digestion coefficients of the Dry Matter,
Crude Protein, and Crude Fibre of lucerne hay during five separate periods. The
analysis of the resultant data shows that period has no ...
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Reinach, Norman; Louw, J.G.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
A basal diet, containing 0•06 per cent. calcium and 0•05 per cent. phosphorus,
and albino rats, 4 to 5 weeks old and weighing approximately 60 grams, were used
to ascertain the availability of electrofos I and electrofos ...
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Truter, G.J.; Louw, J.G.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
Mature Merino sheep were used as experimental subjects in a study of the
digestibility of a ration of equal parts by weight of lucerne hay and crushed
maize at three levels of nutrition, viz. maintenance, 1 ½ x maintenance ...
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Steyn, D.G.; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
Drenching experiments with eight suspected poisonous plants and one
specimen of fungus-infected mealie meal were conducted upon rabbits and sheep.
The only positive result achieved was with Agave Americana and, even ...
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Theiler, Gertrud; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
Ixodes pilosus:
1. The distribution of I. pilosus has been given in terms of political divisions, as
well as in terms of vegetational coverage.
2. It appears to be associated with sour-veld; sour veld which, in its turn, ...
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Theiler, Gertrud; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
1. The distribution of R. evertsi is given in terms of political Divisions, as well
as in terms of Vegetational coverage.
2. R. evertsi is seen to be present in all forest, parkland and grass land areas
with a rainfall ...
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Theiler, Gertrud; De Kock, G.v.d.W.
(Published by The Government Printer, Pretoria, 1950)
(l) The distribution of R. capensis has been given in terms of political
Divisions, as well as in terms of vegetational coverage.
(2) R . capensis shows a tendency to become inactive during the April-June
period, ...