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Browsing Veterinary Science by UP Author "Groenewald, Hermanus B."
Now showing items 1-18 of 18
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Bello, Umar M.; Madekurozwa, Mary-Catherine; Groenewald, Hermanus B.; Arukwe, Augustine; Aire, Tom A. (Springer, 2023-04)Phthalate esters, such as di(n-butyl) phthalate, (DBP), are synthetic chemical pollutants commonly used as plasticizers in the manufacture of plastics. In the present study, we investigated the effects of DBP in the testes ...
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Havenga, Lauren; Naidoo, Vinny; Wolter, Kerri; Duncan, N.M. (Neil); Groenewald, Hermanus B. (Wiley, 2020-11)Diclofenac has been responsible for the deaths of millions of vultures on the Asian subcontinent. While the pathology of toxicity is well described, the mechanism of toxicity remains elusive. However, it was postulated ...
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Tivane, Catarina; Rodrigues, Marcio N.; Soley, John Thomson; Groenewald, Hermanus B. (Colégio Brasileiro de Patologia Animal, 2011-06)Most descriptions of the ostrich oropharynx and oesophagus are superficial and supply little meaningful morphological data. The aim of this investigation is describe the ostrich oropharingeal cavity, in order to supply ...
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Moore, Brandon C.; Groenewald, Hermanus B.; Myburgh, Jan G. (Sociedade Brasileira de Herpetologia, 2020-08)The male crocodylian phallus, an intromittent organ, transfers sperm to the female cloaca during reproduction. During copulation, the distal phallic glans inflates via blood-filled spongiform tissues; it enlarges into an ...
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Kimaro, Wahabu Hamisi; Madekurozwa, Mary-Catherine; Groenewald, Hermanus B. (AOSIS Open Journals, 2013-07-19)The study investigated the effect of various doses of carbendazim on the morphology of the magnum of the Japanese quail. No morphological changes were observed in the magnum in birds treated with carbendazim at doses of ...
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Van Wilpe, Erna; Groenewald, Hermanus B. (Wiley-Blackwell, 2014-01)The morphology of Kupffer cells was examined in the liver of the juvenile Nile crocodile using light microscopy and transmission electron microscopy. Pleomorphic Kupffer cells were located in the sinusoids, in the space ...
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Martins, Antonio F.; Bennett, Nigel Charles; Clavel, Sylvie; Groenewald, Hermanus B.; Hensman, Sean; Hoby, Stefan; Joris, Antoine; Manger, Paul R.; Milinkovitch, Michel C. (Nature Publising Group, 2018-10-02)An intricate network of crevices adorns the skin surface of the African bush elephant, Loxodonta africana. These micrometre-wide channels enhance the effectiveness of thermal regulation (by water retention) as well as ...
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Morphological changes associated with Nile crocodile (Crocodylus niloticus) phallic glans inflation Moore, Brandon C.; Francis, Rachel; Foster, Adam; Kelly, Diane A.; Does, Mark; Kim, Dong K.; Groenewald, Hermanus B.; Myburgh, Jan G. (Wiley, 2020-06)The crocodylian phallic glans is the distal inflatable structure that makes the most direct contact with the female cloacal and associated reproductive tract openings during copulation. Therefore, its form and function ...
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Hartman, Marthinus Jacobus; Groenewald, Hermanus B.; Kirberger, Robert M. (Wiley, 2013-10)The topography and splanchnology of the reproductive organs of the African lioness were studied and described in situ and after removal. The kidneys were located far caudally in relation to the thirteenth ribs. The suspensory ...
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Makungu, Modesta; Du Plessis, Wencke M.; Groenewald, Hermanus B.; Barrows, Michelle; Koeppel, Katja Natalie (Wiley, 2015-12)The red panda (Ailurus fulgens) is a quadrupedal arboreal animal primarily distributed in the Himalayas and southern China. It is a species commonly kept in zoological collections. This study was carried out to describe ...
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Makungu, Modesta; Groenewald, Hermanus B.; Du Plessis, Wencke M.; Barrows, Michelle; Koeppel, Katja Natalie (Wiley-Blackwell, 2014-06)In family Lemuridae, anatomical variations exist. Considering its conservation status (near threatened) and presence of similarities between strepsirrhines and primitive animals, it was thought to be beneficial to describe ...
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Makungu, Modesta; Du Plessis, Wencke M.; Barrows, Michelle; Koeppel, Katja Natalie; Groenewald, Hermanus B. (American Association of Zoo Veterinarians, 2013)An intact adult male 14.3-yr-old red panda (Ailurus fulgens) presented for health examination with a history of slowly progressing loss of body condition. Abdominal radiographs revealed a truncated abdomen with poor ...
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Makungu, Modesta; Du Plessis, Wencke M.; Barrows, Michelle; Groenewald, Hermanus B.; Koeppel, Katja Natalie (Wiley-Blackwell, 2014-06)BACKGROUND : The ring-tailed lemur (Lemur catta) is a quadruped arboreal primate primarily distributed in south and south-western Madagascar. This study was carried out to describe the normal radiographic thoracic ...
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Weissengruber, G.E.; Egger, G.F.; Hutchinson, J.R.; Groenewald, Hermanus B.; Elsässer, L.; Famini, D.; Forstenpointner, G. (Blackwell, 2006-12)The uniquely designed limbs of the African elephant, Loxodonta africana, support the weight of the largest terrestrial animal. Besides other morphological peculiarities, the feet are equipped with large subcutaneous cushions ...
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Myburgh, Jan G.; Huchzermeyer, Fritz W.; Soley, John Thomson; Booyse, Dirk G.; Groenewald, Hermanus B.; Bekker, Lizette C.; Iguchi, Taisen; Guillette, Louis J. (OpenJournals Publishing, 2012-07-04)Urine samples can be a very useful diagnostic tool for the evaluation of animal health. In this article, a simple technique to collect urine from the Nile crocodile (Crocodylus niloticus) was described, based on a similar ...
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Thoracic limb morphology of the red panda (Ailurus fulgens) evidenced by osteology and radiography Makungu, Modesta; Groenewald, Hermanus B.; Du Plessis, Wencke M.; Barrows, Michelle; Koeppel, Katja Natalie (AOSIS OpenJournals, 2015-07-15)The red panda (Ailurus fulgens) is distributed primarily in the Himalayas and southern China. It is classified as a vulnerable species by the International Union for Conservation of Nature. The aim of this study was to ...
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Makungu, Modesta; Groenewald, Hermanus B.; Du Plessis, Wencke M.; Barrows, Michelle; Koeppel, Katja Natalie (Wiley, 2015-08)There is limited information available on the morphology of the thoracic limb of the ringtailed lemur (Lemur catta). This study describes the morphology of the thoracic limb of captive ring-tailed lemurs evidenced by ...
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Makungu, Modesta; Du Plessis, Wencke M.; Barrows, Michelle; Koeppel, Katja Natalie; Groenewald, Hermanus B. (American Association of Zoo Veterians, 2012)Abdominal ultrasonography was performed in six adult captive caracals (Caracal caracal) to describe the normal abdominal ultrasonographic anatomy. Consistently, the splenic parenchyma was hyperechoic to the liver and ...
Now showing items 1-18 of 18