Production Animal Studies: Recent submissions

Now showing items 1-20 of 730

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 D.; Sirdar, Mohamed M.; Heath, Livio (Sage, 2024)

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 ...
Preliminary validation of a single-spot version of a solid-phase competition ELISA for the detection of southern African territories foot-and-mouth disease serotype exposure in goats

Gobiye, Moses; Fosgate, Geoffrey Theodore; Heath, Livio; Lazarus, David Dazhia; Seoke, LaToya; Opperman, Pamela Anne (Elsevier, 2023-07)

The objective of this study was to perform a preliminary validation of a solid-phase competition ELISA (SPCE) in goats exposed to foot-and-mouth disease virus (FMDV) southern African territories (SAT) serotypes ...
In vitro antibiofilm and quorum sensing inhibition activities of selected South African plants with efficacy against bovine mastitis pathogens

Akinboye, Ayodele O.; Makhubu, Fikile N.; Karzis, Joanne; Petzer, Inge-Marie; McGaw, Lyndy Joy (Elsevier, 2024-03)

Bovine mastitis is a critical pathology in global dairy herds, causing economic losses due to decreased production and increased culling. The continuous use of conventional antibiotics has led to antimicrobial resistance ...
A prospective evaluation of the prevalence of thromboemboli and associated hemostatic dysfunction in dogs with carcinoma or sarcoma

Pazzi, Paolo; Fosgate, Geoffrey Theodore; Rixon, Anouska J.; Hanekom, Josef; Kristensen, Annemarie T.; Goddard, Amelia (Wiley, 2023-09)

BACKGROUND : Knowledge of the prevalence of thromboemboli and the associated hemostatic status in dogs with carcinoma or sarcoma is unknown and might allow earlier intervention. OBJECTIVES : Estimate prevalence of ...
The seroprevalence of African horse sickness virus, and risk factors to exposure, in domestic dogs in Tshwane, South Africa

Hanekom, Josef; Lubisi, Baratang Alison; Leisewitz, Andrew L.; Guthrie, Alan John; Fosgate, Geoffrey Theodore (Elsevier, 2023-04)

Dogs are the only non-equid species to develop the fatal form of African horse sickness (AHS). Research conducted in 2013 questioned the long-held belief that naturally occurring cases of AHS in dogs were contracted ...
Susceptibility patterns of Escherichia coli and streptococcal isolates from bovine mastitis cases to antibiotics and selected South African plant extracts with known antibacterial activities

Akinboye, Ayodele O.; Adeyemo, Rasheed Omotayo; Karzis, Joanne; Petzer, Inge-Marie; McGaw, Lyndy Joy (Elsevier, 2024-03)

Bovine mastitis, an inflammatory condition affecting the mammary glands of dairy cattle, poses a significant economic burden on the dairy industry. Staphylococcus species, Streptococcus species and Escherichia coli are ...
In vitro biological activities of Combretum molle R.Br. ex G. Don (Combretaceae) against mastitis-causing organisms

Erhabor, Rosemary Chinelo; Erhabor, Joseph Omorogiuwa; Nkadimeng, Sanah Malomile; Petzer, Inge-Marie; Dzoyem, Jean Paul; McGaw, Lyndy Joy (Elsevier, 2024-02)

Bovine mastitis, caused mostly by Staphylococcus species, has gained global importance owing to the increasing prevalence of multi-drug resistant bacteria, which comprise a risk to food security and public health. In this ...
Serial changes in the concentrations of cortisol and thyroid hormones in Beagle dogs infected with Babesia rossi

Van Zyl, Este; Leisewitz, Andrew L.; Atkinson, Brogan; Goddard, Amelia; Rautenbach, Yolandi; Thompson, P.N. (Peter N.); Schoeman, Johan P. (Elsevier, 2023-03)

An experimental infection using Babesia (B.) rossi was performed in healthy male Beagle dogs to assess the changes in endocrine variables during disease. Two dogs were infected with a low dose (LD) of parasite inoculum (104 ...
Contamination of beef and beef products by Listeria spp. and molecular characterization of L. monocytogenes in Mpumalanga, South Africa

Moabelo, Khomotso C.; Gcebe, Nomakorinte; Gana, James; Ngoshe, Yusuf Bitrus; Adesiyun, Abiodun Adewale (Wiley, 2023-10)

This study determined the prevalence, risk factors, and molecular characteristics of Listeria species detected in beef and beef products sampled in Mpumalanga province, South Africa. Four hundred beef and beef products ...
Serological evidence and coexposure of selected infections among livestock slaughtered at Eastern Cape abattoirs in South Africa

Mazwi, Koketso Desiree; Kolo, Francis Babaman; Jaja, Ishmael Festus; Bokaba, Refilwe Philadelphia; Ngoshe, Yusuf Bitrus; Hassim, Ayesha; Neves, L.C.B.G.D. (Luís); Van Heerden, Henriette (Hindawi, 2023-12)

Zoonotic infections were investigated in a cross-sectional study on asymptomatic livestock slaughtered in abattoirs in the Eastern Cape. Antibodies against Brucella spp., Coxiella burnetii, Toxoplasma gondii, and the ...
Descriptive epidemiology of and response to the high pathogenicity avian influenza (H5N8) epidemic in South African coastal seabirds, 2018

Roberts, Laura C.; Abolnik, Celia; Waller, Lauren J.; Shaw, Kevin; Ludynia, Katrin; Roberts, David G.; Kock, Alison A.; Makhado, Azwianewi B.; Snyman, Albert; Abernethy, D.A. (Darrell) (Hindawi, 2023-02-23)

High pathogenicity avian influenza (HPAI) clade 2.3.4.4b H5N8 virus was detected in coastal seabirds in late 2017 in South Africa, following a devastating epidemic in the commercial poultry and ostrich industries. By May ...
The knowledge, attitudes, and practices of smallholder cattle farmers concerning the epidemiology of bovine fasciolosis in the North West Province, South Africa

Olaogun, Sunday Charles; Fosgate, Geoffrey Theodore; Byaruhanga, Charles; Marufu, Munyaradzi Christopher (Springer, 2023-02)

Bovine fasciolosis has negative impacts on cattle production worldwide, more so on the African continent and especially in smallholder farming areas with limited level of awareness. A cross-sectional questionnaire-based ...

Now showing items 1-20 of 730

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