Browsing Research Articles (Animal and Wildlife Sciences) by Title

Browsing Research Articles (Animal and Wildlife Sciences) by Title

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  • 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 ...
  • 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 ...
  • Determining the optimal ratio of canola meal and high protein dried distillers grain protein in diets of high producing Holstein dairy cows 
    Swanepoel, Nadia; Robinson, P.H.; Erasmus, Lourens Jacobus (Elsevier, 2014-03)
    Use of canola meal (CM) and dried corn distillers grains with solubles (DDGS) as major supplemental protein sources are common practice in North American dairy rations and usage of both is projected to increase in the ...
  • Development of an SNP-based parentage verification panel for lovebirds 
    Van der Zwan, Henriette; Visser, Carina; Schoonen, Maryke; Van der Sluis, Rencia (Wiley, 2019-12)
    Please read abstract in the article.
  • Dietary influences on lutein pigments and carcass fat quality in wethers of different maturity types 
    Webb, E.C. (Edward Cottington); Casey, Norman Henry; Bosman, M.J.C. (South African Society for Animal Science, 1999-01)
    The aim of this research was to study the effect of high-maize diets and pelleting on the accumulation of lutein pigments and appearance of the subcutaneous fat in Dorper and SA Mutton Merino wethers. High and medium energy ...
  • Dietary manipulation of oil production in commercial emu 
    Matlhoko, P.M. (Prudence Motlagomang); Webb, E.C. (Edward Cottington); Chamunorwa, P. (South African Society for Animal Science, 2010)
    The aim of this research was to optimize emu oil production by manipulation of the dietary protein and energy ratios for greater fat accretion. The research was done at African Emu Ranch in Muldersdrift, Gauteng. Twenty-four, ...
  • Dietary protein and energy requirements of Venda village chickens 
    Raphulu, Thomas; Jansen van Rensburg, Christine (Kassel University Press, 2018-06-27)
    The objective of this study was to determine the dietary protein and apparent metabolisable energy (AME) requirements of local chickens. Freshly laid eggs of scavenging chickens collected in rural villages were hatched ...
  • Dietary protein quality and malnutrition in Africa 
    Schonfeldt, H.C. (Hettie Carina); Hall, Nicolette Gibson (Cambridge University Press, 2012-10-30)
    The WHO (2007) Technical Report on protein and amino acid requirements in human nutrition states that the best estimate for a population average requirement is 105mg nitrogen/kg body weight per day, or 0•66 g protein/kg ...
  • Dietary selenium supplementation, clarified egg yolk extender and slow cooling improve cryopreserved sperm characteristics of Saanen buck 
    Lukusa, Kambulu; Hassen, Abubeker; Lehloenya, Khoboso C. (Wolters Kluwer- Medknow, 2021-01-18)
    OBJECTIVE : To evaluate the effect of cooling rates, selenium supplementation, and three semen extenders on cooled and frozenthawed Saanen buck sperm. METHODS : Twenty Saanen bucks were divided into two groups: the selenium ...
  • Different levels of macadamia oil cake meal, and wood ash vs. feed lime as dietary sources of calcium on bone characteristics of slow-growing chickens 
    Van Ryssen, J.B.J.; Phosa, Mashilo Alpheus; Jansen van Rensburg, Christine (South African Society for Animal Science, 2014-03-14)
    A study was conducted to evaluate the potential of macadamia oil cake meal (MOCM) and wood ash as feed ingredients for poultry under subsistence farming conditions. In this article, the effect of these ingredients on bone ...
  • Differential gene expression in the Longissimus dorsi of Nguni and Bonsmara bulls finished on low and high energy diets 
    Linde, Dina Alida; Van Marle-Koster, Este; Scholtz, M.M.; Gonda, M.G.; Gonzalez-Hernandez, J.L.; MacNeil, M.D. (South African Society for Animal Science, 2023-04-11)
    Objectives of this research were to examine differential gene expression profiles of Nguni and Bonsmara cattle fed diets differing in their energy density. The ultimate goal was to improve understanding of the mechanisms ...
  • Direct greenhouse gas emissions of the game industry in South Africa 
    Du Toit, Cornelius Jacobus Lindeque; Meissner, H.H.; Van Niekerk, Willem A. (South African Society for Animal Science, 2013)
    Previous greenhouse gas (GHG) inventories did not include game as an emissions source. Recently game farming has become a recognized commercial enterprise in the agricultural sector in South Africa, contributing approximately ...
  • Direct greenhouse gas emissions of the South African small stock sectors 
    Du Toit, Cornelius Jacobus Lindeque; Van Niekerk, Willem A.; Meissner, H.H. (South African Society for Animal Science, 2013)
    There are increasing concerns about the impact of agriculture and livestock production on the environment. As a result, it is important to have accurate estimations of greenhouse gas (GHG) emissions if reduction measures ...
  • Direct methane and nitrous oxide emissions of monogastric livestock in South Africa 
    Du Toit, Cornelius Jacobus Lindeque; Van Niekerk, Willem A.; Meissner, H.H. (South African Society for Animal Science, 2013)
    There are increasing concerns about the impact of agriculture and livestock production on the environment. In this the greenhouse gas emissions (GHG) from South African pigs, ostriches, horses, donkeys, mules and poultry ...
  • Direct methane and nitrous oxide emissions of South African dairy and beef cattle 
    Du Toit, Cornelius Jacobus Lindeque; Meissner, H.H.; Van Niekerk, Willem A. (South African Society for Animal Science, 2013)
    The objective of this study was to estimate direct methane and nitrous oxide emissions of South African dairy and beef cattle in total and per province using the Tier 2 methodology of the Intergovernmental Panel on Climate ...