Dolton, Haley R.; Snelling, Edward P.; Deaville, Robert; Jackson, Andrew L.; Perkins, Matthew W.; Bortoluzzi, Jenny R.; Purves, Kevin; Curnick, David J.; Pimiento, Catalina; Payne, Nicholas L.(Royal Society, 2023-11)
The order Lamniformes contains charismatic species such as the white shark
Carcharodon carcharias and extinct megatooth shark Otodus megalodon, and is
of particular interest given their influence on marine ecosystems, ...
The purpose of this study is to describe, in detail, the ultrastructure of the infundibulum of the sexually mature and active female green iguana, Iguana iguana. The infundibulum of five iguanas was remarkably distinct ...
Thermal stress is an environmental factor that negatively affects poultry production globally. It elicits behavioural and physiological changes in broiler chickens, hence the need to find ways of ameliorating its detrimental ...
Hu, Qiaohui; Seymour, Roger S.; Snelling, Edward P.; Wells, Rod T.(Springer, 2024-01)
The stocky skeletons and post-cranial anatomy of many extinct kangaroos indicate that they might have engaged in varied locomotor behaviors, rather than bipedal hopping, as their primary mode of locomotion. This study ...
The dimensions of auditory structures among animals of varying body size can have implications for hearing performance. Larger animals often have a hearing range focused on lower frequencies than smaller animals, which may ...
Soley, John Thomson; Du Plessis, Lizette; Sutovsky, M.; Sutovsky, P.(Springer, 2023-10)
Few studies describe the sequence of morphological events that characterize spermiogenesis in birds. In this paper, the clearly observable steps of spermiogenesis are described and illustrated for the first time in a ...
Di(n-butyl) phthalate (DBP) is considered a substance of serious concern because of its reproductive toxicity and endocrine-disrupting properties. Exposure to DBP causes morphological and functional changes in the male ...
Heat stress is a prominent factor responsible for losses economically in poultry meat industry due to adverse effects on the general performance of broiler chickens. In this study, we evaluated the effects of probiotic ...
Birgfellner, Caroline Maria Victoria; Soley, John Thomson; Polsterer, Eva; Forstenpointner, Gerhard; Weissengruber, Gerald Erwin(Wiley, 2023-03)
In this study, we present not only a new and detailed anatomical description of the epaxial muscles and adjacent ligamentous and fascial structures in the African sa-vanna elephant but also a ...
Molele, Reneilwe A.; Ibrahim, Mohammed I.A.; Zakariah, Musa; Mahdy, Mohammed A.A.; Clift, Sarah J.; Fosgate, Geoffrey Theodore; Brown, Geoffrey James(Elsevier, 2022-10)
This study investigated the developmental changes in the adherens junctions, gap junctions, as well as tight junctions forming the blood-testis barrier (BTB) in Japanese quail (Coturnix Coturnix japonica) testis. Testicular ...
Bester, Elizabeth G.; Kitshoff, Adriaan Mynhardt; Botha, W.J.; Van Wilpe, Erna; Du Plessis, Lizette; Williams, J.H. (June Heather)(Medpharm Publications, 2022)
Nemaline myopathy - a clinically and genetically complex heterogenous group of disorders - is described uncommonly in humans and rarely in animals, and is characterised by progressive muscle weakness. The diagnosis is ...
Broiler chicken meat is a good source of protein consumed universally, and is one of the most commonly farmed species in world. In addition to providing food, poultry non-edible byproducts also have value. A major advantage ...
Roopnarine, Narindra H.; Gupta, Sunil K.; Du Plessis, Lizette; Aire, Tom A.(Elsevier, 2021-02)
Avian species comprise more than half of all vertebrates yet there is a dearth of information regarding spermatid development in this class of animals. This report of spermiogenesis in the cattle egret, Bubulcus ibis, is ...
Botha, Alma Ester; Schulman, M.L. (Martin); Birrell, John R.; Du Plessis, Lizette; Laver, Pete N.; Soley, John Thomson; Colenbrander, Ben; Bertschinger, H.J. (Hendrik Jan)(Wiley, 2022-08)
The effects of the GnRH vaccine Improvac® on testicular and epididymal morphometrics, histology and spermatogenesis were measured in 19 young (15–20 months) colts randomly assigned to one control (saline, castration at 57 ...
Diclofenac caused the death of millions of vultures on the Asian subcontinent. Other non-steroidal anti-inflammatory drugs (NSAIDs) have since also been shown to be toxic to vultures with the exception of meloxicam. For ...
Zakariah, Musa; Molele, Reneilwe A.; Mahdy, Mohammed A.A.; Ibrahim, Mohammed I.A.; McGaw, Lyndy Joy(Elsevier, 2022-01)
Exposure to dibutyl phthalate (DBP) induces testicular damage in mammals. However, studies on the effects of DBP on spermatogenic cells in birds are grossly lacking. Therefore, this study was designed to determine the ...
Munn, Adam J.; Snelling, Edward P.; Taggart, David A.; Clauss, Marcus(Elsevier, 2022-02)
Prominent ontogenetic changes of the gastrointestinal tract (GIT) should occur in mammals whose neonatal diet of milk differs from that of adults, and especially in herbivores (as vegetation is particularly distinct from ...
Soley, John Thomson; Du Plessis, Lizette(Elsevier, 2020-09)
Ultrastructural studies of the male gamete provide relevant complementary data of value for the clinical assessment of semen quality and assist in determining phylogenetic and structural/functional relationships. This is ...