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Browsing Research Articles (Production Animal Studies) by Issue Date
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Grosskopf, J.F.W.; Smuts, G.L.
(AOSIS OpenJournals, 1975)
Blood was collected from 28 zebra mares (Equus burchellia antiquorum) immediately after being shot in the .Kruger National Park. The serum was separated within two hours after collection and then stored at -15°C for later ...
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Osterhoff, Diedrich Richard
(AOSIS OpenJournals, 1975-06)
The migration of domesticated animals in Africa is of particular interest to the anthropologist and ethnologist in that it may provide valuable information concerning the migration of human tribes that accompanied these ...
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Van Rensburg, I.B.; Marasas, W.F.O.; Kellerman, T.S.
(AOSIS OpenJournals, 1975-06)
The susceptibility of the domestic pig to intoxication by the causative mycotoxin of lupinosis was established experimentally. The symptomatology and pathology of the disease produced by the administration of toxic cultures ...
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Van den Heever, Louwrens Wepener; Marais, Sandra
(AOSIS OpenJournals, 1975-09)
Using aqueous urea solution extracts of heated ostrich muscle as antigen for the production of precipitating rabbit anti·
ostrich sera, it was possible to specifically identify raw, heated (70-95°C) and air dried-salted ...
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Ehret, W.J.; Sandrock, K.C.W.; Boyazoglu, P.A.
(AOSIS OpenJournals, 1975-09)
The effects of locality on the copper, iron, manganese, zinc and magnesium levels in 407 bovine caudate lobe liver samples
preserved in formalin for differing storage periods were examined. The mineral determinations, ...
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Gummow, Bruce; Herr, S.; Brett, O.L.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1986)
A complement fixation test, using round-bottomed microtitration plates and an 8 channel microdiluter, based on that used for brucellosis by Herr, Huchzermeyer, Te Brugge, Williamson, Roos & Schiele, 1985, has been developed ...
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Gummow, Bruce; Herr, S.; Brett, O.L.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1987)
A microtitration serum agglutination test, based on that used for brucellosis, has been developed to detect
antibodies in the sera of horses exposed to the contagious equine metritis (CEM) organism. Two known positive
sera ...
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Gummow, Bruce; Poerstamper, N.; Herr, S.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1987)
With the use of the complement fixation test, 8 900 cattle were tested for antibodies to Coxiella burnetli. These were randomly selected from 178 different farms in 37 districts in the Transvaal. The percentage of cattle ...
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Gummow, Bruce; Pieterson, P.M.; Pefanis, S.M.; Venter, Catharina G.; Herr, S.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1988)
Circumstantial evidence is presented for the occurrence of a variant of a vaccine strain of B. melitensis Rev 1, designated "FSA"(foreign South African). FSA resembles Rev 1 in its reactions to penicillin and streptomycin ...
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Gummow, Bruce; Pefanis, S.M.; Pieterson, P.M.; Williamson, Catherine C.; Venter, Catharina G.; Herr, S.; Bigalke, R.D.
(Published by the Government Printer, Pretoria., 1988)
A flock of sheep, known to be infected with the "FSA" mutant of Brucella melitensis Rev. 1, was examined serologically and bacteriologically to determine whether any relationship existed which would help in the control of ...
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Gummow, Bruce; Bastianello, Stella S.; Labuschagne, Leonie; Erasmus, G.L.; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute., 1992)
Five sheep developed severe nervous signs after being drenched with Albizia versicolor podmaterial.
Four of these sheep were treated with pyridoxine hydrochloride (a vitamin B₆) when the
symptoms of toxicity became ...
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Gummow, Bruce; Du Preez, J.L.; Swan, Gerry E.; Verwoerd, Daniel Wynand
(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1995)
The high-performance liquid chromatographic method published by Aliu & Odegaard (1983) was found to give poor
peak separation when used to determine plasma diminazene concentrations in cattle. Before bioequivalence ...
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Van der Walt, J.G.; Boomker, E.A.; Meintjes, A.; Schultheiss, W.A.
(South African Society for Animal Science, 1999-01)
Mutton merino wethers (n = 16) fed either a low nitrogen (LN, with a crude protein [CP] content= 5.4%) or a medium nitrogen (MN, with CP = 10.3%) diet were subjected to two water treatments; either ad libitum or half ad ...
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Fasina, Folorunso Oludayo; Joannis, Tony M.; Abolnik, Celia; McCrindle, Cheryl Myra Ethelwyn; Bisschop, S.P.R. (Shahn)
(Veterinary Solutions LLC, 2006)
Avian influenza, a transboundary poultry
disease of great economic importance, has
been ravaging the poultry industry worldwide
since the 1950s. The virus usually
occurs as waves of epizootics in the poultry
industry ...
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Schmidt, Susanne; Gerber, David; Soley, John Thomson; Aire, Tom A.; Boos, A.
(Elsevier, 2006-08)
Differences exist in reproductive physiology between African buffalo (Syncerus caffer), cattle (Bos taurus) and water buffalo (Bubalus bubalis). The aim of this study was to histo-morphologically compare the anatomy of ...
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Abolnik, Celia; Bisschop, S.P.R. (Shahn); Gerdes, Truuske G.H.; Olivier, A.J.; Horner, R.F.
(American Association of Avian Pathologists, 2007)
Low-pathogenicity (LPAI) and high-pathogenicity (HPAI) avian influenza viruses are periodically isolated from
South African ostriches, but during 2002 the first recorded outbreak of LPAI (H6N2) in South African chickens ...
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Abolnik, Celia; Gerdes, Truuske G.H.; Bisschop, S.P.R. (Shahn); Olivier, A.J.; Horner, R.F.
(Springer, 2007-01)
The first recorded outbreak of avian influenza (AI) in South African chickens (low pathogenicity H6N2) occurred at Camperdown, KwaZulu/Natal Province (KZN) in June 2002. To determine the source of the outbreak, we defined ...
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Nothling, Johan Oliviette; Gerber, David; Colenbrander, B.; Dijkstra, Maaike; Bakker, Tynke; De Cramer, Kurt Guido Mireille
(Elsevier, 2007-01)
Although dog prostatic fluid decreases the longevity of ejaculated dog spermatozoa, it also increases their rate of motility and their fertility after vaginal insemination, as well as the fertility of epididymal spermatozoa ...
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Peterson, K.; Kappen, M.A.P.M.; Ursem, P.J.F.; Nothling, Johan Oliviette; Colenbrander, B.; Gadella, B.M.
(Elsevier, 2007-03)
This study was done to determine the effects of processing techniques on the quality of semen from Dutch AI-bucks with the view on improving pregnancy rates after artificial insemination (AI) with liquid or frozen–thawed ...
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Delsink, Audrey K.; Van Altena, J.J.; Grobler, D.; Bertschinger, Hendrik Jan; Kirkpatrick, Jay F.; Slotow, Robert
(South African Veterinary Association, 2007-03)
The goal of programmes to provide contraception for elephants should be to formulate an approach that does not require the relocation or immobilisation of the same individual year after year, which would be long-lasting ...