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Tropical Animal Health and Production

Ibrahim Ahmad, Caleb Ayuba Kudi, Muktar Salihu Anka, Ishaya S Tekki
Unfortunately the Abstract was missing in the original version of this article. The Abstract is published below.
October 18, 2017: Tropical Animal Health and Production
Nma Bida Alhaji, Tajudeen Opeyemi Isola
Dermatophilosis is a contagious disease of high economic importance. The study assessed knowledge/awareness and clinical burden of and mitigation measures practised against clinical bovine dermatophilosis in pastoral herds of North-Central Nigeria and associated socio-cultural factors that predisposed to its occurrence in herds. A cross-sectional survey was conducted between October 2015 and September 2016. Questionnaires were administered on pastoralists and clinical assessment of cattle with gross pathological lesions indicative of dermatophilosis conducted...
October 18, 2017: Tropical Animal Health and Production
Lené Pienaar, J Paul Grobler, Michiel M Scholtz, Hannelize Swart, Karen Ehlers, Munro Marx, Michael D MacNeil, Frederick W C Neser
The Afrikaner is an indigenous South African breed of "Sanga" type beef cattle along with breeds such as the Drakensberger and Nguni. Six composite breeds have been developed from crosses with the Afrikaner. Additionally, Afrikaner has been the base from which exotic breeds were established in South Africa through backcrossing. The study examined genetic diversity of Afrikaner cattle by genotyping 1257 animals from 27 herds in different geographic areas of South Africa and Namibia using 11 microsatellite markers...
October 18, 2017: Tropical Animal Health and Production
Mohammad Hosein Fallah Mehrabadi, Alireza Bahonar, Kamran Mirzaei, Aidin Molouki, Arash Ghalyanchilangeroudi, Seyed Ali Ghafouri, Farshad Tehrani, Swee Hua Erin Lim
Avian influenza virus (AIV) H9N2 subtype is endemic in Iran and causes substantial economic loss to the growing poultry industry within the country. In this study, a cross-sectional analysis was carried out to determine the sero-prevalence of H9N2 in several commercial farms between the years 2014 and 2015. The comparison of the mean of serum titers and the ratio of sero-positive birds between all units were analyzed using one-way ANOVA test. In 2014, a total of 77 farms (58 turkey farms, 14 quail farms, and 5 partridge farms) and 894 birds (682 turkeys, 154 quails, and 58 partridges) were sampled while in 2015, a total of 69 farms (54 turkey farms, 8 quail farms, and 7 partridge farms) and 856 birds (675 turkeys, 105 quails, and 76 partridges) were sampled...
October 13, 2017: Tropical Animal Health and Production
C N Ncobela, A T Kanengoni, R S Thomas, M Chimonyo
The objective of the study was to determine voluntary feed intake and growth performance of Windsnyer pigs fed on increasing levels of potato hash silage meal. Thirty-six growing Windsnyer pigs (19 kg ± 5.59) (mean ± standard deviation (SD)) were individually and randomly assigned to six experimental diets containing 0, 80, 160, 240, 320 and 400 g/kg DM of potato hash silage. Diets containing the potato hash silage were formulated using diet dilution method from 0 g/kg and 400 g/kg. Six pigs were fed on each diet ad libitum for 6 weeks...
October 12, 2017: Tropical Animal Health and Production
Preston Zvakare, Prisca H Mugabe, Tonderai Mutibvu
Guinea fowls are a source of high-value meat and eggs, and the birds are more disease resistant than other types of birds. A survey was conducted in ward 23, Chipinge district, Zimbabwe, to characterise guinea fowl management practices and to identify constraints and potential opportunities for increased guinea fowl productivity. Purposive sampling was used to select 84 out of possible 252 guinea fowl owners. Data were collected by direct observation on guinea fowl varieties, feeding strategies and housing facilities...
October 12, 2017: Tropical Animal Health and Production
Rosivaldo Quirino Bezerra Júnior, Ângela Maria Xavier Eloy, João Ricardo Furtado, Raymundo Rizaldo Pinheiro, Alice Andrioli, Frederico Bruno Moreno, Marina Duarte Pinto Lobo, Ana Cristina O Monteiro-Moreira, Renato de Azevedo Moreira, Tatiana Maria Farias Pinto, Maria Fátima da Silva Teixeira
The caprine arthrite encephalite (CAE) is a disease that affects especially dairy goat. The virus shows compartmentalization features, that allows it to hide at certain times during the course of the disease, making it difficult to control. The present study was conducted to identify the major seminal plasma protein profile of goats infected by CAE and its associations with seroconversion using Western blotting. Two groups containing five males each, were used in this experiment. The first group was composed by seropositive animals and the control by seronegative confirmed by Western blotting and PCR...
October 12, 2017: Tropical Animal Health and Production
Ibrahim Ahmad, Caleb Ayuba Kudi, Alhaji Idris Abdulkadir, S N A Saidu
Unfortunately the Abstract was missing in the original version of this article. The Abstract is published below. Abstract. This study was aimed to record gross lesions suggestive of bovine tuberculosis amongst cattle slaughtered in Gusau abattoir Zamfara State, Nigeria.
October 11, 2017: Tropical Animal Health and Production
C Siamupa, N Saasa, A M Phiri
African swine fever (ASF) is a worldwide disease of pigs endemic in most sub-Saharan African countries. Zambia has been experiencing outbreaks of ASF for many years because the disease is endemic in the eastern part of the country, with incursion into the central part of Lusaka Province. The latest outbreaks of ASF in Lusaka occurred in 2013 with substantial pig mortalities, loss in trade, and cost of control measures and compensation of affected farmers. The aims of the study were to identify market value chain-related factors that were associated with ASF outbreaks and assess why these outbreaks are becoming frequent despite control measures being put in place...
October 6, 2017: Tropical Animal Health and Production
Chhaya P Sonekar, Satyajit Kale, Smita Bhoyar, Neha Paliwal, S V Shinde, S P Awandkar, Wiqar Khan, S P Chaudhari, N V Kurkure
Brucellosis is a zoonotic disease worldwide distributed and having the economic as well as public health importance. The prevalence of brucellosis among sheep flock having history of abortions was studied. A total of 229 samples comprising of 157 blood and 72 clinical samples (vaginal swabs) were collected from 157 animals. Clinical samples were processed for the isolation of Brucella melitensis. Serum samples (n = 157) were tested by Rose Bengal plate test (RBPT) and i-ELISA. A total of 68 (43.31%) and 104 (66...
October 6, 2017: Tropical Animal Health and Production
ObianujuNkiruka Okoroafor, Paul Chekwube Eze, Wilfred Sunday Ezema, Chika Nwosu, Christian Okorie-Kanu, P C Animoke, Boniface Anene, John Osita Arinze Okoye
The aim of this project is to study the clinical signs and lesion of velogenic Newcastle disease (vND) in commercial turkeys, and also to find out if La Sota vaccination offered protection against these signs and lesions. The cockerels were included as positive controls. One hundred and twenty turkey poults and cockerels were divided into eight groups as follows: unvaccinated unchallenged turkeys (UUT), unvaccinated challenged turkeys (UCT), vaccinated unchallenged turkeys (VUT), vaccinated challenged turkeys (VCT), and along the same lines, the cockerel groups were UUC, UCC, VUC and vaccinated challenged cockerels (VCC)...
October 5, 2017: Tropical Animal Health and Production
Yonlayong Woonwong, Roongtham Kedkovid, Jirapat Arunorat, Chaitawat Sirisereewan, Teerawut Nedumpun, Korakrit Poonsuk, Yaowalak Panyasing, Pariwat Poolperm, Alongkot Boonsoongnern, Roongroje Thanawongnuwech
An effective gilt acclimatization program is one of the most important management strategies for controlling porcine reproductive and respiratory syndrome virus (PRRSV) infection. Recently, oral fluid samples have been used as alternative diagnostic samples for various swine diseases. This study utilized oral fluids for PRRSV monitoring during the gilt acclimatization period in PRRSV endemic farms. The study was performed in two selected commercial breeding herds (farm A and farm B). PRRSV RNA and PRRSV-specific antibodies were monitored using oral fluid and serum samples...
October 5, 2017: Tropical Animal Health and Production
T S Suleiman, E D Karimuribo, R H Mdegela
A cross-sectional study was conducted between January and July 2014 in Unguja island of Zanzibar to establish prevalence of subclinical mastitis (SCM) in smallholder dairy cows and patterns of antibacterial susceptibility of major mastitis pathogens isolated. A total of 416 dairy cows from 201 farmers were randomly selected from three districts of Unguja Island to participate in the study. Questionnaire interview, field observation, individual cow examination, California Mastitis Test (CMT) and bacteriological examination were carried out...
October 4, 2017: Tropical Animal Health and Production
Workineh Tadesse, Yisehak Kechero, Taye Tolemariam
Dietary inclusion of tannin-deactivating agents such as polyethylene glycol (PEG) and wood ash can enhance the feeding value of tannin-containing feeds. To evaluate this, 24 intact male Bonga lambs were divided into three blocks of eight animals per block based on their initial body weight in randomized complete block design with three treatments, 30 days adaptation and 10 days of data collection. The dietary treatments consisted of T1 (= hay 40% + concentrate 5% + Albizia gummifera 30% + Rhus glutinosa 10% + Syzygium guineense 15%), T2 (= T1 + wood ash), and T3 (=T1 + PEG6000)...
October 3, 2017: Tropical Animal Health and Production
Evandro Ferreira Cardoso, Juarez Lopes Donzele, Rita Flávia Miranda de Oliveira Donzele, Bruna Leite Sufiate, Amanda Dione Silva, Tarciso Tizziani
Two trials were conducted to determine the non-phytate phosphorus (nPP) requirement for broiler under heat stress. In both trials, birds were distributed in a completely randomized 4 × 2 factorial design with four nPP concentrations: 0.25, 0.35, 0.45, and 0.55%, and two Ca supply techniques: Ca fixed at 0.899% (CaF) or varying along with nPP aiming a 2:1 Ca to nPP ratio (CaV). Both trials had eight pens/treatment, with nine and five birds/pen for exp. 1 and exp. 2, respectively. nPP concentration had no effect on feed intake (FI), body weight gain (BWG), feed conversion ratio (FCR), nor fat deposition ratio (FDR)...
October 3, 2017: Tropical Animal Health and Production
Anahi S Vieira, Priscila S Pinto, Walter Lilenbaum
Leptospirosis is a bacterial systemic infection which affects domestic animals and wildlife, as well as humans. Many wild animals act as reservoirs of leptospires. Nevertheless, the real role of wildlife animals as source of infection to livestock and humans, as well as the most important reservoirs and leptospiral strains remains unclear. This systematic review assesses the available data about wildlife and their biomes in Latin America, concerning to leptospiral infection. In addition, we discuss the development of the research on leptospirosis in wildlife in this region...
October 1, 2017: Tropical Animal Health and Production
Florence Mutua, Absolomon Kihara, Jason Rogena, Nicholas Ngwili, Gabriel Aboge, James Wabacha, Bernard Bett
We designed and piloted a livestock identification and traceability system (LITS) along the Northern Tanzania-Narok-Nairobi beef value chain. Animals were randomly selected and identified at the primary markets using uniquely coded ear tags. Data on identification, ownership, source (village), and the site of recruitment (primary market) were collected and posted to an online database. Similar data were collected in all the markets where tagged animals passed through until they got to defined slaughterhouses...
September 30, 2017: Tropical Animal Health and Production
Moustafa Kardjadj
In Algeria, the epidemiology of cattle abortions is not well understood. Therefore, the present study aims to estimate the prevalence of abortion in 75 Algerian cattle herds and correlate its possible association with brucellosis positivity and some managerial risk factors. The cattle abortion herd prevalence was 41.33% [95% CI 30.16-52.5%]. As for brucellosis, the serological evidence of brucellosis exposure was observed in 9 out of 75 herds accounting for 12% [95% CI 4.65-19.35] herd seroprevalence. The risk factor analysis using the univariable analysis followed by multivariable logistic regression did confirm that brucellosis positivity (OR = 5...
September 30, 2017: Tropical Animal Health and Production
Lucíola Vilarim Ferraz, Adriana Guim, Robson Magno Liberal Véras, Francisco Fernando Ramos de Carvalho, Marciela Thais Dino de Freitas
The effects of corn replacement by cassava dreg in diets of crossbred goat kids were evaluated. We tested the impacts of 0, 33, 66 and 100% replacement on intake, digestibility, feeding behaviour, performance and carcass characteristics. Thirty-six goat kids, aged between 4 and 5 months and with initial body weights of 17.61 ± 1.98 kg, were used in a completely randomised design. Analysis of regression revealed a negative linear effect on neutral detergent fibre (NDF) intake and a positive linear effect on non-fibrous carbohydrates (NFC) and hydrocyanic acids (HCN) intake...
September 30, 2017: Tropical Animal Health and Production
G C Miranda-de la Lama, M Rodríguez-Palomares, R G Cruz-Monterrosa, A A Rayas-Amor, R S B Pinheiro, F M Galindo, M Villarroel
Livestock transport exposes animals to a range of potential stressors that may compromise their welfare and final product quality, and those effects typically increase with the distance travelled. In North America, producers often use pot-belly vehicles for long hauls but little is known about their suitability for transporting lambs. We followed two long-distance trips using pot-belly trailers carrying 500 lambs (each) from Northern to Central Mexico in winter, to measure possible effects on animal welfare and meat quality...
September 30, 2017: Tropical Animal Health and Production
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