JavaScript is disabled for your browser. Some features of this site may not work without it.
1990 Onderstepoort Journal of Veterinary Research, Volume 57, 1990: Recent submissions
Now showing items 41-50 of 50
-
(Published by the Government Printer, Pretoria., 1990)The Livestock Weather Safety Index (LWSI) indicates that in large areas of South Africa and South West Africa / Namibia and for prolonged periods of the year warm conditions are causing heat stress in food producing animals, ...
-
(Published by the Government Printer, Pretoria., 1990)The investigation involved 4 mastitis-free cows, exposed to 168 h of suspended milking to induce prolonged milk stasis and premature mammary regression during mid-lactation. After 48 h the milk stasis elicited mastitis-like ...
-
(Pretoria : Government Printer, 1990)The ileocaecal junction mucosal surface morphology of 5 horses and 1 donkey was examined using scanning electron microscopy and light microscopy. Based on differences in surface morphology, the junction could be divided ...
-
(Published by the Government Printer, Pretoria., 1990)The ileocaecal junctions of 5 horses and 2 donkeys were examined by using antisera to the following peptides: somatostatin, glucagon, gastrin, neurotensin, vasoactive intestinal peptide (VIP), peptide histidine isoleucine ...
-
(Published by the Government Printer, Pretoria., 1990)Field collections of ticks from two breeds of cattle in the North Western Transvaal showed the common tick species to be Rhipicephalus appendiculatus, Amblyomma hebraeum, Rhipicephalus evertsi evertsi and Hyalomma marginatum ...
-
(Published by the Government Printer, Pretoria., 1990)Infective larvae of selected batched of the following nematode species from sheep and cattle were examined for survival and infectivity (by injection into either the abomasum, the duodenum, or the jugular vein) after having ...
-
(Published by the Government Printer, Pretoria., 1990)Under experimental conditions an African face fly (Musca xanthomelas) preferred to feed on cattle dung when provided with a choice of 3 different meals namely sucrose, cattle dung and blood. Flies starved overnight fed ...
-
(Published by the Government Printer, Pretoria., 1990)Theiler & Robinson (1953) described, as Rhipicephalus follis Dönitz, 1910, a tick species originating from Dordrecht, Eastern Cape Province. A comparison of this tick with the syntypes of R. follis has now shown, though, ...
-
(Published by the Government Printer, Pretoria., 1990)This investigation has shown that collateral intramammary reactions (CIR's) occur when secretory disturbances in one quarter lead to corresponding changes in one or more of the other, unperturbed, quarters of the same ...
-
(Published by the Government Printer, Pretoria., 1990)Although the histological features and endocrine cells of the gastro-intestinal tract of the chicken have been well studied, little is known about these features of the gut of the ostrich. The present study was undertaken ...
Now showing items 41-50 of 50