Production Animal Studies: Recent submissions

Now showing items 41-60 of 829

Comparison of continuous and rotational grazing systems on veld condition, calving percentages and body condition of selected wildlife species

De Beer, Johann Hermann (University of Pretoria, 2024-07-07)

This study aimed to determine the effect of different grazing systems on veld conditions, body conditions, and calving percentages (production parameters) of African buffalo (Syncerus caffer caffer), sable antelope ...
Salmonella gallinarum strains from outbreaks of fowl typhoid fever in Southern Africa closely related to SG9R vaccines

Beylefeld, Amanda; Abolnik, Celia (Frontiers Media, 2023-07-05)

INTRODUCTION : Salmonella enterica subspecies enterica serovar Gallinarum biovar Gallinarum (SG) is associated with fowl typhoid fever, and the attenuated rough strain SG9R is widely used as a vaccine in many regions. ...
Prevalence and risk factors of Q fever (Coxiella burnetii) in cattle on farms of Limpopo province, South Africa

Sadiki, Vhahangwele; Gcebe, Nomakorinte; Mangena, Maruping L.; Ngoshe, Yusuf Bitrus; Adesiyun, Abiodun Adewale (Frontiers Media, 2023-04-26)

Q fever in animals and humans and its economic and public health significance has been widely reported worldwide but in South Africa. There are few studies on the prevalence of this zoonosis and its associated risk factors ...
Evaluation of lion (Panthera leo) scat as a wild dog (Lycaon pictus) deterrent on game farms

Haring, Ronja D.; Beverley, Grant; Thompson, P.N. (Peter N.); Taylor, Andrew; O'Dell, Jacques Henry (CSIRO Publishing, 2023-01)

CONTEXT : The conservation of the Endangered African wild dog (Lycaon pictus) poses a major challenge to conservationists because outside the boundaries of protected areas, wild dogs are prone to conflict with farmers. ...
The production of Newcastle disease virus-like particles in Nicotiana benthamiana as potential vaccines

Smith, Tanja; O'Kennedy, Martha; Ross, Craig S.; Lewis, Nicola S.; Abolnik, Celia (Frontiers Media, 2023-02)

Newcastle disease (ND) is a highly contagious viral respiratory and neurological disease that has a severe impact on poultry production worldwide. In the present study, an expression platform was established for the ...
Temporal dynamics of anaplasma marginale infections and the composition of Anaplasma spp. in calves in the Mnisi communal area, Mpumalanga, South Africa

Makgabo, Marcus; Brayton, Kelly A.; Biggs, Louise Joanne; Oosthuizen, Marinda C.; Collins, Nicola E. (MDPI, 2023-02)

Please read abstract in article.
A comparison of risk factor investigation and experts’ opinion elicitation analysis for identifying foot-and-mouth disease (FMD) high-risk areas within the FMD protection zone of South Africa (2007–2016)

Sirdar, Mohamed Mahmoud; Fosgate, Geoffrey Theodore; Blignaut, Belinda; Heath, Livio; Lazarus, David Dazhia; Mampane, R.L.; Rikhotso, O.B.; Du Plessis, B.; Gummow, Bruce (Elsevier, 2024-05)

Foot-and-mouth disease is a controlled disease in accordance with the South African Animal Diseases Act (Act 35 of 1984). The country was classified by the World Organisation for Animal Health (WOAH) as having a FMD free ...
Knowledge, attitudes, and practices of communal livestock farmers regarding animal health and zoonoses in far northern KwaZulu-Natal, South Africa

Ngoshe, Yusuf Bitrus; Etter, Eric Marcel Charles; Gomez-Vazquez, Jose Pablo; Thompson, P.N. (Peter N.) (MDPI, 2023-01)

The presence of zoonotic diseases adversely affects livestock production and farmers’ livelihood in communal areas. A lack of awareness about zoonotic diseases among rural farmers results in economic losses and health ...
Effects of three immobilizing drug combinations on ventilation, gas exchange and metabolism in free-living African lions (Panthera leo)

Donaldson, Ashleigh Claire; Buss, Peter Erik; Fuller, Andrea; Meyer, Leith Carl Rodney (Oxford University Press, 2023-01)

Free-living lions (12 per group) were immobilized with tiletamine-zolazepam-medetomidine (TZM), ketamine-medetomidine (KM), or ketamine-butorphanol-medetomidine (KBM). During immobilization, respiratory, blood gas and ...
Molecular characterization of Newcastle disease virus obtained from Mawenzi live bird market in Morogoro, Tanzania in 2020–2021

Tsaxra, John B.; Abolnik, Celia; Kelly, Terra R.; Chengula, Augustino A.; Mushi, James R.; Msoffe, Peter L.M.; Muhairwa, Amandus P.; Phiri, Thandeka Precious; Jude, Rachel; Chouicha, Nadira; Mollel, Esther L.; Zhou, Huaijun; Gallardo, Rodrigo A. (Springer Nature, 2023-12)

Newcastle disease (ND) is among the most important poultry diseases worldwide. It is the major threat to poultry production in Africa and causes major economic losses for both local and commercial chickens. To date, half ...
Rift Valley Fever virus M and L genome segment detection : a comparison of field-deployable reverse transcription insulated isothermal PCR (RT-iiPCR) and laboratory-based multiplex reverse transcription real-time PCR

Trujillo, Jessie D.; Wilson, William C.; Craig, Anthony Francis; Van den Berg, Carien; Wang, Thomas; Thompson, P.N. (Peter N.); Swanepoel, Robert; Morozov, Igor; Richt, Juergen A. (American Society for Microbiology, 2024-03)

Rift Valley Fever phlebovirus (RVFV) is a mosquito-borne zoonotic pathogen that causes major agricultural and public health problems in Africa and the Arabian Peninsula. It is considered a potential agro-bioterrorism agent ...
Prevalence and characterization of Leptospira spp. in slaughter animals at abattoirs in Gauteng, South Africa and the zoonotic risk posed to abattoir workers

Dogonyaro, Banenat Bajehson (University of Pretoria, 2020-10)

Leptospirosis is an important global re-emerging, occupational, environmental and zoonotic disease. It is an under-estimated disease of public health and veterinary importance caused by the pathogenic spirochetes belonging ...
Low-dose thiafentanil in combination with azaperone alone or azaperone and medetomidine for the immobilization of African buffalo (Syncerus caffer)

Faber, Vanessa (University of Pretoria, 2021-03)

Objective To determine the efficacy, safety and cost of a novel drug regime comprising of a low thiafentanil dose in combination with medetomidine and azaperone; to the more established thiafentanil and azaperone ...
The molecular epidemiology of clade 2.3.4.4B H5N1 high pathogenicity avian influenza in Southern Africa, 2021–2022

Abolnik, Celia; Phiri, Thandeka Precious; Peyrot, Belinda; De Beer, Renee; Snyman, Albert; Roberts, David; Ludynia, Katrin; Jordaan, Frances; Maartens, Michele; Ismail, Zehaad; Strydom, Christine; Van der Zel, Gerbrand; Anthony, Jade; Daniell, Nadine; De Boni, Liesl; Grewar, John Duncan; Olivier, Adriaan; Roberts, Laura C. (MDPI, 2023-06-16)

In southern Africa, clade 2.3.4.4B H5N1 high pathogenicity avian influenza (HPAI) was first detected in South African (SA) poultry in April 2021, followed by outbreaks in poultry or wild birds in Lesotho and Botswana. ...
Evaluation of the proper use of medication available over the counter by subsistence and emerging farmers in Mbombela Municipality, South Africa

Gulwako, M.S.; Mokoele, Japhta Molatelo; Ngoshe, Yusuf Bitrus; Naidoo, Vinny (BMC, 2023-07-08)

South Africa has two types of animal farming systems, being the commercial industry and subsistence farming in more rural areas, with commercial farmers having more access to veterinary services. To cater for the absence ...
Q fever and toxoplasmosis in South African livestock and wildlife : a retrospective study on seropositivity, sporadic abortion, and stillbirth cases in livestock caused by Coxiella burnetii

Mangena, Maruping; Gcebe, Nomakorinte; Thompson, P.N. (Peter N.); Adesiyun, Abiodun Adewale (BMC, 2023-09-21)

BACKGROUND : Q fever and toxoplasmosis are economically important zoonoses as they cause considerable losses in livestock (cattle, sheep and goats) and wildlife (antelopes, giraffes, lions, and cheetahs) through ...
Boar spermatozoa maintains DNA integrity after cryopreservation using different concentrations of glycerol

Peña, Santiago Jr.; Gummow, Bruce; Parker, Anthony J.; Paris, Damien B.B.P. (College of Veterinary Medicine, University of the Philippines Los Baños, 2022-07)

Despite its potential benefits, the application of frozen-thawed boar spermatozoa in commercial pig production is still very limited. Cryopreservation could induce sperm DNA damage causing reduced fertility and early embryo ...
Optimization of a foot-and-mouth disease virus Southern African Territories–specific solid-phase competitive ELISA for small ruminant serum samples

Seoke, LaToya; Fosgate, Geoffrey Theodore; Opperman, Pamela Anne; Malesa, Refiloe P.; Lazarus, David Dazhia; Sirdar, Mohamed Mahmoud; Heath, Livio (Sage, 2024-03)

We optimized and verified a single-spot solid-phase competitive ELISA (ss-SPCE) to detect antibodies against structural proteins of Southern African Territories (SAT) serotypes of foot-and-mouth disease virus (FMDV) in ...
Molecular epidemiology of infectious bronchitis coronavirus in southern African poultry from 2011 to 2020

Strydom, Christine (University of Pretoria, 2023-10-31)

Infectious bronchitis virus (IBV) (family Gammacoronavirus) is an ever-evolving avian pathogen that causes major economic losses within the poultry industry worldwide. Antigenic variations allow the virus to evade vaccine ...
Molecular characterisation of pigeon paramyxovirus and other viruses identified by deep sequencing in pigeons and doves in South Africa

Hayes, Michaela Catharine (University of Pretoria, 2023-10-31)

Pigeons, whether feral or bred for meat or sport like pigeon racing, are susceptible to a variety of diseases, many of which are caused by viral infections. Newcastle disease (ND) caused by Orthoavulavirus javaense, an ...

Now showing items 41-60 of 829

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