Browsing Animal and Wildlife Sciences by Title

Browsing Animal and Wildlife Sciences by Title

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  • Consequences of endogenous and exogenous WNT signaling for development of the preimplantation bovine embryo 
    Tribulo, Paula; Da Silva Leao, Beatriz Caetano; Lehloenya, Khoboso C.; Mingoti, Gisele Zoccal; Hansen, Peter J. (Society for the Study of Reproduction, 2017-06)
    The specific role of WNT signaling during preimplantation development remains unclear. Here, we evaluated consequences of activation and inhibition of β-catenin (CTNNB1)-dependent and -independent WNT signaling in the ...
  • Conservation biology of cheetahs Acinonyx jubatus (Schreber 1775) and African wild dogs Lycaon pictus (Temminck 1820) in South Africa 
    Marnewick, Kelly (University of Pretoria, 2015)
    Large carnivores play a key role in regulating terrestrial ecosystems and their removal can cause effects that cascade through the lower trophic levels. Despite this, the geographic range and density of most large carnivore ...
  • Conservation genetics of African wild dogs Lycaon pictus (Temminck, 1820) in South Africa 
    Edwards, Janet Marguerite (University of Pretoria, 2010-11-12)
    The African wild dog Lycaon pictus is Africa’s second most endangered carnivore. Only 14 out of 39 countries in Africa still have wild dogs present. This makes the populations of wild dogs in South Africa very valuable ...
  • Consumer education on the health benefits of red meat - a multidisciplinary approach 
    Schonfeldt, H.C. (Hettie Carina); Hall, Nicolette Gibson (Elsevier, 2012-07)
    This paper first presents food quality trends observed in the international context and the manifestation of these and other trends within the food industry. From a consumer perspective, improved knowledge on the composition ...
  • A consumer perspective of the South African red meat classification system 
    Vermeulen, Hester; Schonfeldt, H.C. (Hettie Carina); Pretorius, Beulah (South African Society for Animal Science, 2015-08-11)
    The South African consumer market is characterised by socio-economic and cultural diversity. Food expenditure patterns, behaviour and preferences differ significantly between the various socio-economic sub-groups. Packaging ...
  • Consumption of edible flowers in South Africa : nutritional benefits, stakeholders' views, policy and practice implications 
    Pieterse, Elaine; Millan, Elena; Schonfeldt, H.C. (Hettie Carina) (Emerald, 2023)
    PURPOSE : Edible flowers have traditionally been consumed for their nutritional and medicinal properties. Aponogeton distachyos is an aquatic flowering plant native to the Western Cape of South Africa (SA) that used to be ...
  • The contribution of processed pork meat products to total salt intake in the diet 
    Pretorius, Beulah; Schonfeldt, H.C. (Hettie Carina) (Elsevier, 2018-01)
    Consumption of processed meats is reported to be the second largest contributor to total dietary sodium intake. This study aims to describe the contribution of commonly consumed processed pork products to total salt intake. ...
  • The conversion of dopamine to epinephrine and nor-epinephrine is breed dependent 
    O’Neill, H. Adri (Hester Adriana); Webb, E.C. (Edward Cottington); Frylinck, L.; Strydom, P.E. (Phillip Evert) (South African Society for Animal Science, 2010)
    In previous reports, Nguni type cattle have shown to have a lower glycolytic potential with less glycogen measured in muscles 1 h post-mortem. With the release of catecholamines in the immediate pre-slaughter period, there ...
  • A critical evaluation of the causes of carcass condemnations in a South African cattle abattoir 
    Tlhapi, Petrus Thabo (University of Pretoria, 2013)
    This study was conducted to investigate the causes and the effects of breed, gender and season on carcass condemnations post-mortem in a large South African abattoir. Condemnation of carcasses as a results of animal diseases ...
  • Cumulative incidence and associated risk factors of dark, firm and dry (DFD) meat in South African beef carcasses 
    Botha, Elrie (University of Pretoria, 2021)
    The present study investigated the cumulative incidence and associated risk factors of dark, firm and dry (DFD) meat, also described as dark-cutting beef (DCB) or dark-cutters, in South African beef carcasses. The aim was ...
  • Cumulative incidence and causal risk factors of carcass condemnations in a South African high-throughput cattle abattoir 
    Webb, E.C. (Edward Cottington); Webb, Elizabeth M.; Tlhapi, Petrus Thabo (South African Society for Animal Science, 2020-03-17)
    Carcass condemnation is a problem in the South African beef industry, but the causes and risk factors have not been studied or quantified. Better understanding of the cumulative incidence and causative predictors of ...
  • Data describing cattle performance and feed characteristics to calculate enteric methane emissions in smallholder livestock systems in Bomet County, Kenya 
    Ndung'u, Phyllis Wanjungu; Kirui, Peter; Takahashi, Taro; Du Toit, Cornelius Jacobus Lindeque; Merbold, Lutz; Goopy, John Patrick (Elsevier, 2021-12-04)
    This dataset describes the performance of cattle in small- holder livestock systems of Bomet county in western Kenya. Information on live weight, milk production and quality, herd dynamics, and other production parameters ...
  • Defining weaning age of camel calves in eastern Ethiopia 
    Chibsa, Merga B.; Mummed, Yesihak Yusuf; Kurtu, Mohamed Y.; Leta, Mengistu U. (Springer, 2014-06)
    This experiment was conducted with the aim to define the weaning age of camel calves managed with pastoral farmers in eastern Ethiopia. Twenty camel calves (11 males and 9 females) were randomly assigned into five ...
  • Dense sampling of bird diversity increases power of comparative genomics 
    Feng, Shaohong; Stiller, Josefin; Deng, Yuan; Armstrong, Joel; Fang, Qi; Reeve, Andrew Hart; Xie, Duo; Chen, Guangji; Guo, Chunxue; Faircloth, Brant C.; Petersen, Bent; Wang, Zongji; Zhou, Qi; Diekhans, Mark; Chen, Wanjun; Andreu-Sánchez, Sergio; Margaryan, Ashot; Howard, Jason Travis; Parent, Carole; George, Pacheco; Sinding, Mikkel-Holger S.; Puetz, Lara; Cavill, Emily; Ribeiro, Angela M.; Eckhart, Leopold; Fjeldsa, Jon; Hosner, Peter A.; Brumfield, Robb T.; Christidis, Les; Bertelsen, Mads F.; Sicheritz-Ponten, Thomas; Tietze, Dieter Thomas; Robertson, Bruce C.; Song, Gang; Borgia, Gerald; Claramunt, Santiago; Lovette, Irby J.; Cowen, Saul J.; Njoroge, Peter; Dumbacher, John Philip; Ryder, Oliver A.; Fuchs, Jerome; Bunce, Michael; Burt, David W.; Cracraft, Joel; Meng, Guanliang; Hackett, Shannon J.; Ryan, Peter G.; Jonsson, Knud Andreas; Jamieson, Ian G.; Da Fonseca, Rute R.; Braun, Edward L.; Houde, Peter; Mirarab, Siavash; Suh, Alexander; Hansson, Bengt; Ponnikas, Suvi; Sigeman, Hanna; Stervander, Martin; Frandsen, Paul B.; Van der Zwan, Henriette; Van der Sluis, Rencia; Visser, Carina; Balakrishnan, Christopher N.; Clark, Andrew G.; Fitzpatrick, John W.; Bowman, Reed; Chen, Nancy; Cloutier, Alison; Sackton, Timothy B.; Edwards, Scott V.; Foote, Dustin J.; Shakya, Subir B.; Sheldon, Frederick H.; Vignal, Alain; Soares, Andre E.R.; Shapiro, Beth; González-Solis, Jacob; Ferrer-Obiol, Joan; Rozas, Julio; Riutort, Marta; Tigano, Anna; Friesen, Vicki; Dalen, Love; Urrutia, Araxi O.; Szekely, Tamas; Liu, Yang; Campana, Michael G.; Corvelo, Andre; Fleischer, Robert C.; Rutherford, Kim M.; Gemmell, Neil J.; Dussex, Nicolas; Mouritsen, Henrik; Thiele, Nadine; Delmore, Kira; Liedvogel, Miriam; Franke, Andre; Hoeppner, Marc P.; Krone, Oliver; Fudickar, Adam M.; Mila, Borja; Ketterson, Ellen D.; Fidler, Andrew Eric; Friis, Guillermo; Parody-Merino, Angela M.; Battley, Phil F.; Cox, Murray P.; Lima, Nicholas Costa Barroso; Prosdocimi, Francisco; Parchman, Thomas Lee; Schlinger, Barney A.; Loiselle, Bette A.; Blake, John G.; Lim, Haw Chuan; Day, Lainy B.; Fuxjager, Matthew J.; Baldwin, Maude W.; Braun, Michael J.; Wirthlin, Morgan; Dikow, Rebecca B.; Ryder, T. Brandt; Camenisch, Glauco; Keller, Lukas F.; DaCosta, Jeffrey M.; Hauber, Mark E.; Louder, Matthew I.M.; Witt, Christopher C.; McGuire, Jimmy A.; Mudge, Joann; Megna, Libby C.; Carling, Matthew D.; Wang, Biao; Taylor, Scott A.; Del-Rio, Glaucia; Aleixo, Alexandre; Vasconcelos, Ana Tereza Ribeiro; Mello, Claudio V.; Weir, Jason T.; Haussler, David; Li, Qiye; Yang, Huanming; Wang, Jian; Lei, Fumin; Rahbek, Carsten; Gilbert, M. Thomas P.; Graves, Gary R.; Jarvis, Erich D.; Paten, Benedict; Zhang, Guojie (Nature Research, 2020-11-12)
    Whole-genome sequencing projects are increasingly populating the tree of life and characterizing biodiversity1–4. Sparse taxon sampling has previously been proposed to confound phylogenetic inference5, and captures only ...
  • Description of carcass classification goals and the current situation in South Africa 
    Webb, E.C. (Edward Cottington) (South African Society for Animal Science, 2015-07-29)
    Carcass classification is an essential part of efficient animal production, price fixing and meeting consumer demands. Carcass classification (or grading) is based on the description of carcasses by means of clearly defined ...
  • A description of village chicken production systems and prevalence of gastrointestinal parasites : case studies in Limpopo and KwaZulu-Natal provinces of South Africa 
    Malatji, Dikeledi Petunia; Tsotetsi, Anna M.; Van Marle-Koster, Este; Muchadeyi, Farai C. (AOSIS OpenJournals, 2016-05-12)
    The majority of rural households in developing countries own village chickens that are reared under traditional scavenging systems with few inputs and exposure to various parasitic infestations. Understanding of the ...
  • The determination of digestibility of Atriplex nummularia cv. De Kock with different techniques 
    Van der Baan, Annelize (University of Pretoria, 2009-04-09)
    The aim of the study was to determine the digestibility of Atriplex nummularia cv. De Kock, supplemented with three levels (15%, 30%, and 45%) of either maize or barley, using different in vitro techniques. An in vivo ...
  • Determining an optimal lysine : energy ratio for lean growth in a modern commercial pig genotype 
    Taljaard, Irmarie (University of Pretoria, 2019)
    Intense genetic selection for reduced back fat thickness and improved feed utilisation in pigs has resulted in modern genotypes with high lean gain potential, which now deposit a greater amount of lean tissue at faster ...
  • Determining in vivo ruminal stability of three ruminally protected nutrients in lactating Jersey cows 
    Sakkers, Maja; Erasmus, Lourens Jacobus; Robinson, P.H.; Meeske, R.; Garrett, J.E. (Elsevier, 2013-10)
    Current methods to determine rumen escape (as stability) of rumen protected nutrients(RPNU), such as ruminal in situ evaluation, only estimate the rate at which nutrients leavethe in situ bag (rather than the rumen) and ...
  • Determining iron bio-availability with a constant heme iron value 
    Schonfeldt, H.C. (Hettie Carina); Hall, Nicolette Gibson (Elsevier, 2011-06)
    Iron deficiency is the most common and widespread nutritional disorder in the world. Consuming foods rich in dietary iron (high in both content and availability) is an effective way to alleviate iron deficiency. Iron from ...