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Tropical Animal Health and Production

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https://www.readbyqxmd.com/read/28214920/detection-of-brucella-sp-infection-through-serological-microbiological-and-molecular-methods-applied-to-buffaloes-in-maranh%C3%A3-o-state-brazil
#1
Larissa Sarmento Dos Santos, Joicy Cortez Sá, Diego Luiz Dos Santos Ribeiro, Nancyleni Pinto Chaves, Juliana Pinto da Silva Mol, Renato Lima Santos, Tatiane Alves da Paixão, Alcina Vieira de Carvalho Neta
The aim of the current study is to diagnose Brucella spp. infection using methods such as serology, bacterial isolation, and molecular analysis in buffaloes bred in Maranhão State. In order to do so, 390 samples of buffalo serum were subjected to serological tests, to Rose Bengal Plate Test (RBPT) and to 2-mercaptoethanol (2-ME) combined with slow agglutination test (SAT). Vaginal swabs were collected from seropositive animals and subjected to bacterial isolation and to generic PCR. According to the serological test, 16 animals had a positive reaction to the confirmatory test (2-ME/SAT)...
February 18, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28194626/traditional-goat-husbandry-practice-under-pastoral-systems-in-south-omo-zone-southern-ethiopia
#2
Biruh Tesfahun, Kefelegn Kebede, Kefena Effa
This study was carried out to describe goat production system under pastoralists' management in three districts of South Omo zone, southern Ethiopia. The districts were Benatsemay, Hamer, and Dasenech. Questionnaires were developed and used to collect data regarding pastoralists' management practices and production system of goats. A total of 180 households were interviewed to capture relevant information. Data collected through questionnaires were subjected to statistical analysis to generate descriptive statistics...
February 14, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28194625/trypanosomiasis-challenge-estimation-using-the-diminazene-aceturate-berenil-index-in-zebu-in-gabon
#3
Brieuc G A Cossic, Brice Adjahoutonon, Pierre Gloaguen, Gui Lov Dibanganga, Gael Maganga, Pascal Leroy, Ewan T MacLeod, Kim Picozzi
A longitudinal study was conducted within a cattle ranch in Gabon to determine the diminazene aceturate (Berenil) index (DAI) in a group of Zebu, raised under low tsetse density; this measure providing an assessment of trypanosomiasis risk. The objective was to evaluate the trypanosomiasis pressure thus informing trypanosomiasis control methods and cattle management. Twenty female adult Zebu were monitored for 24 weeks during the dry season. Blood samples were collected on a weekly basis and subjected to parasitological and haematological analysis (n = 480), using the buffy-coat method and the packed cell volume value (PCV), respectively, infected animals were treated with a single intramuscular injection of diminazene aceturate (8 mg/kg)...
February 14, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28190130/impact-of-extension-interventions-in-improving-livelihood-of-dairy-farmers-of-nadia-district-of-west-bengal-india
#4
Suman Garai, Sanchita Garai, Sanjit Maiti, B S Meena, M K Ghosh, Champak Bhakat, T K Dutta
Livestock is a one of the major sources of livelihood for most of the small and marginal farmers in India, particularly for rural households who live in below poverty line. Extension interventions have long been seen as a key element for enabling farmers to obtain information and technologies that can improve their livelihoods. It is also recognized that extension is an important factor in promoting dairy development. Ex-post-facto cause to effect research design was applied in this study to trace out the impact of extension interventions in improving knowledge, attitude, adoption towards scientific dairy farming practices and improvement in milk production of dairy animal and income from dairying which will be resulted into improved livelihood of rural poor in Nadia district of West Bengal, India...
February 11, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28190129/performance-endocrine-metabolic-and-reproductive-responses-of-nellore-heifers-submitted-to-different-supplementation-levels-pre-and-post-weaning
#5
Aline Gomes da Silva, Mário Fonseca Paulino, Lincoln da Silva Amorim, Luciana Navajas Rennó, Edenio Detmann, Felipe Henrique de Moura, Marcos Rocha Manso, Paulo Henrique Silva E Paiva, Román Enrique Maza Ortega, Luciano Prímola de Melo
The present study was conducted to evaluate the effects of high and low supplementation levels pre- and post-weaning on performance, endocrine, metabolic, and reproductive responses of Nellore heifers. Fifty Nellore heifers with 132 ± 9.9 kg average body weight (BW) and 138 ± 19 days of age were supplemented from 4 to 14 months. The heifers were distributed into five supplementation plans: HH-6 g/kg of BW of supplement pre- and post-weaning, HL-6 g/kg of BW of supplement pre-weaning and 3 g/kg post-weaning, LH-3 g/kg of BW pre-weaning and 6 g/kg of BW post-weaning, LL-3 g/kg of BW pre- and post-weaning, and CC-control, no supplementation...
February 11, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28188412/occurrence-and-distribution-of-bovine-tb-pathology-by-age-sex-and-breed-of-cattle-slaughtered-in-gusau-abattoir-zamfara-state-nigeria
#6
Ibrahim Ahmad, Caleb Ayuba Kudi, Alhaji Idris Abdulkadir, S N A Saidu
No abstract text is available yet for this article.
February 10, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28185210/a-multi-criteria-approach-to-identify-favorable-areas-for-goat-production-systems-in-veracruz-m%C3%A3-xico
#7
Emmanuel de Jesús Ramírez-Rivera, Jose Lopez-Collado, Pablo Díaz-Rivera, Eusebio Ortega-Jiménez, Glafiro Torres-Hernández, Jazmín Jacinto-Padilla, Erasmo Herman-Lara
This research identifies favorable areas for goat production systems in the state of Veracruz, Mexico. Through the use of the analytic hierarchy process, layers of biophysical and soil information were combined to generate a model of favorability. Model validation was performed by calculating the area under the curve, the true skill statistic, and a qualitative comparison with census records. The results showed the existence of regions with high (4494.3 km(2)) and moderate (2985.8 km(2)) favorability, and these areas correspond to 6...
February 9, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28185209/meta-analysis-of-the-prevalence-of-mastitis-and-associated-risk-factors-in-dairy-cattle-in-ethiopia
#8
Abraham Mekibeb Getaneh, Endrias Zewdu Gebremedhin
Mastitis is among the most prevalent disease that contributes for the reduction of milk production in dairy herds. Although several published studies have estimated the prevalence of mastitis, variation among studies is great. The objective of the present meta-analysis was to provide a pooled estimate of the prevalence of overall, clinical, and subclinical mastitis in dairy cattle in Ethiopia. A pooled estimate was also conducted by potential risk factors. The literature search was restricted to studies published in English language from January 2002 to June 2016...
February 9, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28181121/first-confirmation-of-rabies-in-zamfara-state-nigeria-in-a-sheep
#9
Ibrahim Ahmad, Caleb Ayuba Kudi, Muktar Salihu Anka, Ishaya S Tekki
No abstract text is available yet for this article.
February 8, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28181120/comparison-of-three-superovulation-protocols-with-or-without-gnrh-treatment-at-the-time-of-artificial-insemination-on-ovarian-response-and-embryo-quality-in-thai-native-heifers
#10
Vibuntita Chankitisakul, Jakkhaphan Pitchayapipatkul, Phirawit Chuawongboon, Dumrongrak Rakwongrit, Denpong Sakhong, Wuttigrai Boonkum, Thevin Vongpralub
To optimize the superovulation protocol in Thai native cattle, the present research was designed to (1) compare three different protocols designed to induce superstimulation and (2) study the effect of gonadotropin-releasing hormone (GnRH) administration at insemination time (to induce ovulation) on ovarian follicular activities in terms of the number of large follicles, corpora lutea (CLs) and unovulated follicles, and the number and quality of ova/embryos recovered in Thai native heifers. Initially, the estrous cycles of animals (n = 36) at unknown stages were synchronized by two prostaglandin F2α (PGF2α) injections at an interval of 12 days...
February 8, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28176187/brucellosis-and-associated-risk-factors-in-dairy-cattle-of-eastern-ethiopia
#11
Yitagele Terefe, Sisay Girma, Negesse Mekonnen, Biruhtesfa Asrade
Knowing the status of Bovine brucellosis and associated risk factors is a crucial step in formulating evidence based control scheme. In this study, a total of 967 dairy cows from 307 dairy farms in eastern Ethiopia were serologically tested for Brucella antibodies. The screening was done first using RBPT and positive samples were subsequently subjected to CFT for confirmation. A pre-tested structured questionnaire was used to collect relevant data from 307 dairy cattle owners or attendants to assess their awareness and routine practice...
February 7, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28168399/prevalence-and-risk-factors-of-cryptosporidium-infection-in-farmed-pigs-in-zhejiang-guangdong-and-yunnan-provinces-china
#12
Yang Zou, Jian-Gang Ma, Dong-Mei Yue, Wen-Bin Zheng, Xiao-Xuan Zhang, Quan Zhao, Xing-Quan Zhu
Cryptosporidiosis is caused by species of Cryptosporidium protozoa that can infect a wide range of host animals worldwide. However, data regarding Cryptosporidium infection in farmed pigs in subtropical areas in China is limited. Therefore, a total of 396 fecal samples were obtained from farmed pigs from Zhejiang (n = 124), Guangdong (n = 72), and Yunnan (n = 200) provinces, China, and were tested by PCR amplification of the small subunit (SSU) rRNA gene. The overall prevalence of Cryptosporidium in pigs was 17...
February 6, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28161847/study-of-gastrointestinal-parasites-in-water-buffalo-bubalus-bubalis-reared-under-mexican-humid-tropical-conditions
#13
Nadia Florencia Ojeda-Robertos, Oswaldo Margarito Torres-Chablé, Jorge Alonso Peralta-Torres, Carlos Luna-Palomera, Aguilar Aguilar-Cabrales, Alfonso Juventino Chay-Canul, Roberto González-Garduño, Carlos Machain-Williams, Ramón Cámara-Sarmiento
The objective was to determine the frequency of gastrointestinal parasites (GP) genera affecting water buffalo (Bubalus bubalis) reared under humid tropical conditions of Mexico. Three hundred eighty-three Munrah breed water buffalo were included, 251 adult females and 132 calves. Feces were directly collected form the rectum of the animals and processed by the McMaster technique. Coprocultures were made to identify the genera of the nematodes. The frequency of GP in B. bubalis was 42%, independently of their age, 60% of calves resulted parasitized...
February 4, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28161846/genotypic-analysis-of-virulence-genes-and-antimicrobial-profile-of-diarrheagenic-escherichia-coli-isolated-from-diseased-lambs-in-iran
#14
Reza Ghanbarpour, Nasrin Askari, Masoud Ghorbanpour, Yahya Tahamtan, Khoobyar Mashayekhi, Narjes Afsharipour, Nasim Darijani
The aim of the present study was to determine the analysis of virulence genes and antimicrobial profile of diarrheagenic Escherichia coli isolated from diseased lambs. Two hundred ninety E. coli isolates were recovered from 300 rectal swabs of diarrheic lambs and were confirmed by biochemical tests. The pathotype determination was done according to the presence of genes including f5, f41, LTI, STI, bfp, ipaH, stx 1 , stx 2 , eae, ehlyA, cnf 1 , cnf 2 , cdIII, cdIV, and f17 by PCR method. Sixty-six isolates (23...
February 4, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28161845/temporal-and-spatial-distribution-of-lumpy-skin-disease-lsd-outbreaks-in-mashonaland-west-province-of-zimbabwe-from-2000-to-2013
#15
C Gomo, K Kanonhuwa, F Godobo, O Tada, S M Makuza
The objective of this study was to determine significant factors affecting spacio-temporal distribution of lumpy skin disease (LSD) in Mashonaland West Province of Zimbabwe. A retrospective study of LSD from year 2000 to 2013 was undertaken using records from the Department of Livestock and Veterinary Services, Mashonaland West Province, Zimbabwe. Descriptive statistics was computed on LSD cases, treatments, vaccinations, and deaths. Analysis of variance (ANOVA) was used to determine significant factors affecting LSD distribution across diverse farming sectors (localities), districts, months, and years as from 2000 to 2013 in Mashonaland West Province...
February 4, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28160162/isolation-identification-and-differentiation-of-campylobacter-spp-using-multiplex-pcr-assay-from-goats-in-khartoum-state-sudan
#16
Atif Elbrissi, Y A Sabeil, Khalda A Khalifa, Khalid Enan, Osama M Khair, A M El Hussein
The aim of this study was to identify and characterize thermophilic Campylobacter species in faecal samples from goats in Khartoum State, Sudan, by application of multiplex polymerase chain reaction. Campylobacteriosis is a zoonotic disease of global concern, and the organisms can be transmitted to human via food, water and through contact with farm animals and pets. There are five clinically related Campylobacter species: Campylobacter jejuni (C. jejuni). Campylobacter coli, Campylobacter lari, Campylobacter upsaliensis and Campylobacter fetus...
February 4, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28160161/feed-supplementation-improves-estrus-response-and-increases-fertility-of-sheep-induced-to-breed-out-of-season
#17
Z Ben Khlil, S Khnissi, M Rekik, N Lassoued
To test the efficacy on reproductive performance of nutritional supplementation in an out-of-season mating system, 66 adult prolific Barbarine ewes were selected and induced to breed using "ram effect". The ewes were allocated to two homogeneous groups; each ewe received on a daily basis 700 g of hay and 500 g of barley grains starting 3 weeks before or 1 week after rams' introduction in group 1 and group 2, respectively. Supplementation ended 1 month after rams' introduction and mating lasted 60 days...
February 3, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28160160/the-unexpected-discovery-of-brucella-abortus-buck-19-vaccine-in-goats-from-ecuador-underlines-the-importance-of-biosecurity-measures
#18
Jorge Ron-Román, Dirk Berkvens, Daniela Barzallo-Rivadeneira, Alexandra Angulo-Cruz, Pablo González-Andrade, Elizabeth Minda-Aluisa, Washington Benítez-Ortíz, Jef Brandt, Richar Rodríguez-Hidalgo, Claude Saegerman
Very few, mostly old, and only preliminary serological studies of brucellosis in goats exist in Ecuador. In order to assess the current epidemiological situation, we performed a cross-sectional serological study in the goat populations of Carchi (n = 160 animals), Pichincha (n = 224 animals), and Loja provinces (n = 2024 animals). Only two positive serological results (RB negative and SAT-EDTA ≥400 IU/ml) were obtained in lactating goats from the same farm in Quito (Pichincha province). Additionally, milk was sampled from 220 animals in Pichincha province...
February 3, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28150113/population-structure-of-mazandaran-native-fowls-using-pedigree-analysis
#19
Mohsen Gholizadeh
The objective of this study was to use pedigree analysis to evaluate the population structure and genetic variability of the Mazandaran native fowls in Iran by quantifying the pedigree completeness index, effective population size, genetic diversity, inbreeding level, and individual increase in inbreeding. The pedigree completeness analysis showed 3.31 full, 10.19 maximum, and 6.30 equivalent generations. The effective number of founders (f e) was 131, representing 5% of the potential number of founders. The effective number of ancestors (f a) was 81, and the genetic contribution of the 37 most influent ancestors explained 50% of the genetic variability in the population...
February 1, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28150112/characterization-of-the-village-goat-production-systems-in-the-rural-communities-of-the-eastern-cape-kwazulu-natal-limpopo-and-north-west-provinces-of-south-africa
#20
Khanyisile Mdladla, Edgar Farai Dzomba, Farai Catherine Muchadeyi
Expansion of goat improvement programs requires exploration of the factors that influence the production system and breeding initiatives. Characterization of goat breeds or populations is crucial in providing information on prevalent goat types and their attributes and may suffice as a guideline on conservation, development, and selection for improved productivity. This study investigated the existing village goat production system and phenotypic diversity of the different village populations from four South African provinces...
February 1, 2017: Tropical Animal Health and Production
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