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Tropical Animal Health and Production

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https://www.readbyqxmd.com/read/29235048/serum-lipid-enzyme-and-hematological-responses-of-broilers-fed-acacia-angustissima-leaf-meal-based-diets
#1
Sharai Ncube, Petronella Tapiwa Saidi, Musavengana Tapera Tivapasi, Venancio Edward Imbayarwo-Chikosi, Tinyiko Edward Halimani
The objective of the study was to determine serum lipid, enzyme, and hematological responses of broilers to Acacia angustissima leaf meal. Acacia angustissima leaves were harvested at mid maturity, ground into a leaf meal, and included in broiler diets at 0, 5, and 10%. One hundred and fifty-day-old chicks of 41.7 ± 1.560 g were randomly allocated to 15 groups of the three diets. Feed and water were provided ad libitum throughout the trial. At days 14, 28, and 42, 4 ml of blood were collected from the jugular vein in plain vacutainer tubes for alanine aminotransferase (ALT), alkaline phosphatase (ALP), aspartate aminotransferase (AST), lactate dehydrogenase (LDH), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), and total cholesterol (TC) analyses...
December 12, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29235047/anthelmintic-effects-of-indigenous-multipurpose-fodder-tree-extracts-against-haemonchus-contortus
#2
Ashenafi Assefa, Yisehak Kechero, Taye Tolemariam, Assefa Kebede, Eshetu Shumi
Condensed tannins (CT) extracted from Balanites aegyptiaca, Tamarindus indica, and Celtis toka browses were used to evaluate their anthelmintic effect on different developmental stages of Haemonchus contortus. To achieve this objective, various serial concentrations of each CT extract of the foliages were used to test adult motility, inhibition of egg hatchability, and larval development. The fodders were selected based on their multipurpose advantage and accessibility to use as fodder for livestock in the low lands of the Gambella region...
December 12, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29235046/efficiency-of-nitrogen-metabolism-in-beef-cattle-grazing-pasture-and-supplemented-with-different-protein-levels-in-the-rainy-season
#3
Renata Pereira da Silva-Marques, Joanis Tilemahos Zervoudakis, Luciana Keiko Hatamoto-Zervoudakis, Pedro Ivo José Lopes da Rosa E Silva, Núbia Bezerra do Nascimento Matos, Andresa Lazzarotto Feliciano, Rones Goulart de Paula Júnior, Luciano da Silva Cabral
Supplementation of animals in the rainy season is essential to maximise weight gain. Thus, the objective was to evaluate the effects of supplementation with low-, medium- and high-protein levels on nutritional parameters of grazing beef cattle in the rainy season. Eight rumen-cannulated Nellore bulls (437 kg body weight) were used in a 4 × 4 double Latin square design with four supplements and four experimental periods. The treatments were mineral supplement (ad libitum) and supplements with low-protein (LPSU), medium-protein (MPS) and high-protein (HPS) levels, providing 106, 408 and 601 g/day of crude protein (CP), respectively...
December 12, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29197955/effect-of-supplementation-of-indigenous-browse-tree-pods-on-weight-gain-and-carcass-parameters-of-abergelle-rams
#4
Gebreslassie Gebru, Desta Tekle, Shumuye Belay
The objective of the study was to evaluate the effect of supplementation of indigenous browse tree pods on nutrient intake, digestibility, weight gain, and carcass parameters of local Abergelle rams fed grass hay as a basal diet. This experiment was conducted at the Abergelle Agricultural Research Center farm in Tigray region, northern Ethiopia. Experimental rams were grouped according to their initial body weight (17.4 ± 0.95 kg) in a randomized complete block design into three treatments and six replications...
December 2, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29185140/community-based-tsetse-fly-control-minimizes-the-effect-of-trypanosomosis-on-livestock-in-metekel-zone-ethiopia
#5
Gebrerufael Girmay, Bezna Arega, Dirk Berkvens, Solomon Z Altaye, Gadisa Muleta
Tsetse-related trypanosomosis threatens integrated crop-livestock production system in Ethiopia. Metekel zone is among the tsetse-infested areas in Ethiopia. Community-based tsetse fly and trypanosomosis control using targets was conducted from June 2011 to May 2012 in the zone. In coordination with the control project, a questionnaire survey was administered to assess the economic importance of the tsetse fly and trypanosomosis control conducted in the Zone. On average, there were 3 livestock deaths/household before control and this was decreased to 0...
November 29, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29185139/body-weight-change-of-abergelle-breed-and-abergelle-crossbred-goats-fed-hay-supplemented-with-different-level-of-concentrate-mixture
#6
Bewketu Amare, Tewodros Alemu, Belay Deribe, Alemu Dagnachew, Natnael Teshager, Alemu Tsegaye
The experiment was conducted at Sekota District using 36 intact yearling males of pure Abergelle breed and Abergelle crossbred goats (50%) with a mean live weight of 18.92 ± 0.72 kg (mean ± SE). The objective of the experiment was to evaluate the effect of different levels of concentrate mixture supplementation on feed intake, live weight gain, and economic gain of the breeds. Goats were blocked based on initial body weight and were randomly assigned to the dietary treatments. The experimental design was a 2 × 3 factorial in RCBD (randomized complete block design)...
November 28, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29185138/barbados-blackbelly-the-caribbean-ovine-genetic-resource
#7
REVIEW
André M de Almeida
Ovine production is one of the most important activities in animal production in tropical regions. The Barbados Blackbelly, a very interesting genetic resource, particularly well adapted to a harsh home environment in the humid tropics of the Caribbean. This review concerns this breed. It comprises aspects related to the breed history and standards and most importantly its reproductive and productive performances and gastrointestinal parasite tolerance in the Caribbean, North America and Central America and their introduction and use in crossbred trials in other regions of the tropics...
November 28, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29177851/investigations-into-nematode-parasites-of-goats-in-pastoral-and-crop-livestock-systems-of-ethiopia
#8
A Haile, H Hassen, H Gatew, T Getachew, R N B Lobo, B Rischkowsky
We generated epidemiological information on the prevalence of nematode parasites and possible resistance/resilience of goats in three areas, Bati, Shinille, and Borana, of Ethiopia. A total of 350 breeding does were randomly selected and monitored for one year. Fecal egg counts (FEC), packed cell volume (PCV), body weight (BW), body condition score (BC), and fecal larvae identification were done. In Borana, the long rainy season had higher FEC, lower PCV, lower BC, and smaller BW compared to dry and short rainy seasons (p < 0...
November 25, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29177729/the-effect-of-dietary-energy-and-protein-levels-on-body-weight-size-and-microflora-of-ostrich-chicks
#9
Tahereh Nikravesh-Masouleh, Alireza Seidavi, Magdalena Kawka, Mohammad Dadashbeiki
The aim of this study was to evaluate the effect of different dietary energy and protein supplements on performance, weekly body sizes or body frame size, and microbiota of ostrich chicks during 2-9 weeks of age. Two metabolic energy levels of 2400 and 2600 kcal/kg live weight and three protein levels of 20, 22, and 24% were used. A total of 36 ostrich chickens (Struthio camelus) of the blue and black African breed were used. Body weight, 12 body measurements (i.e., circumference of the head, neck, breast, abdomen, thigh, body height, length of tail, list the other 5 here) and excretion of microbial population (Escherichia coli, Coliforms bacteria, and Lactobacillus bacteria) were measured...
November 24, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29164427/virulence-traits-of-avian-pathogenic-apec-and-fecal-afec-e-coli-isolated-from-broiler-chickens-in-algeria
#10
Lounis Mohamed, Zhao Ge, Li Yuehua, Gao Yubin, Kaidi Rachid, Oumouna Mustapha, Wang Junwei, Oumouna Karine
Avian pathogenic E. coli (APEC) is the etiologic agent of avian colibacillosis, the most common disease responsible for chicken morbidity in the world. Although multiple virulence-associated factors were identified, their prevalence in Algeria is still poorly known. In the present research, 92 avian pathogenic E. coli (APEC) isolates were recovered from broilers with clinical signs and lesions of colibacillosis. In addition, 32 E. coli isolates collected from feces of healthy birds (AFEC) were included for comparison...
November 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29150805/aspergillus-terreus-treated-rice-straw-suppresses-methane-production-and-enhances-feed-digestibility-in-goats
#11
P Mohd Azlan, M F Jahromi, M O Ariff, M Ebrahimi, S C L Candyrine, J B Liang
The objectives of this study were to test the efficacy of producing lovastatin in rice straw treated with Aspergillus terreus in larger laboratory scale following the procedure previously reported and to investigate the effectiveness of the treated rice straw containing lovastatin on methane mitigation in goats. The concentration of lovastatin in the treated rice straw was 0.69 ± 0.05 g/kg dry matter (DM) rice straw. Our results showed that supplementation of lovastatin at 4.14 mg/kg BW reduced methane production by 32% while improving the DM digestibility by 13% (P < 0...
November 17, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29147936/effect-of-breeding-method-and-season-on-pregnancy-rate-and-embryonic-and-fetal-losses-in-lactating-nili-ravi-buffaloes
#12
Arslan Qayyum, Usman Arshad, Muhammad Rizwan Yousuf, Nasim Ahmad
The aim of this study was to determine the effect of breeding method and season on pregnancy rate and cumulative embryonic and fetal losses in Nili-Ravi buffalo. Estrus detection was performed twice a day by teaser buffalo bull for 1 hour each. A 2 × 2 factorial design was used to address the breeding method and season. Buffaloes (n = 130) exhibiting estrus were randomly assigned to be bred either in peak breeding season (PBS; n = 80) or low breeding season (LBS; n = 50). Within each season, buffaloes were divided to receive either natural service (NS; n = 65) or artificial insemination (AI; n = 65)...
November 16, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29147935/nucleotide-and-octapeptide-repeat-variations-of-the-prion-protein-coding-gene-prnp-in-anatolian-murrah-and-crossbred-water-buffaloes
#13
Yalçın Yaman, Cemal Ün
Resistance to bovine spongiform encephalopathy (BSE) that is significantly associated with insertion/deletion (indel) polymorphisms at two loci (putative promoter and intron 1) on the prion protein gene (PRNP) in cattle has been well documented. Studies suggest that the insertion alleles are related to BSE resistance. Until recently, BSE has never been reported in water buffaloes (unlike cattle). Previous studies have demonstrated that the PRNP gene in water buffalo consists mostly of insertion alleles at both loci; nevertheless, whether or not water buffaloes are genetically resistant to BSE and the role of indel polymorphisms in their resistance status is not clear...
November 16, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29147934/an-outbreak-of-poisoning-by-kalanchoe-blossfeldiana-in-cattle-in-northeastern-brazil
#14
Fábio S Mendonça, Naiara C F Nascimento, Valdir M Almeida, Thaiza C Braga, Daniele P Ribeiro, Hisadora A S Chaves, Givaldo B Silva Filho, Franklin Riet-Correa
In the world, Kalanchoe species are primarily ornamentals and houseplants, but some have escaped cultivation and can be found in the field. In Latin America, there are no reports of spontaneous poisoning by Kalanchoe species in animals. This study aimed to describe the epidemiological, clinical, and pathological aspects of an outbreak of poisoning by Kalanchoe blossfeldiana in cattle in the semiarid region of Pernambuco, Brazil. Epidemiological and clinical data were obtained from the owner and veterinarian during technical visits...
November 16, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29147933/aerobic-bacteriological-studies-on-the-respiratory-tracts-of-apparently-healthy-and-pneumonic-camels-camelus-dromedaries-in-selected-districts-of-afar-region-ethiopia
#15
Mu'uz Gebru, Genene Tefera, Fufa Dawo, Tesfaye Sisay Tessema
A cross-sectional study was conducted to isolate and identify bacterial species from the respiratory tract of apparently healthy and pneumonic camels in Asayita and Dubti woredas in the Afar Region, Ethiopia. From a total of 74 lung tissue and 74 tracheal swab samples Staphylococcus aureus, 16.3%, Streptococcus equi subsp. equi, 13.0%, and Pasteurella multocida, 10.9%, were dominant isolates from pneumonic lungs; Escherichia coli, 12.7%, Proteus species, 10.9%, and Klebsiella pneumoniae, 9.1%, were the majority in the normal lungs...
November 16, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29143908/the-hp10-taenia-monoclonal-antibody-based-elisa-detects-a-similar-protein-in-the-vesicular-fluid-of-taenia-hydatigena
#16
Maria M Cortez, Glenda C Rojas, R Michael E Parkhouse
Diagnosis of Taenia solium cysticercosis in endemic rural communities depends on serological tests, as typically there is no access to imaging facilities. The HP10 antigen ELISA (HP10 Ag ELISA), which detects a high molecular weight secreted protein of viable metacestodes, has been employed for the diagnosis of both human and porcine cysticercosis in such communities. In this communication, we formally demonstrate that the HP10 Ag ELISA, already known to function for the detection of T. saginata and T. solium cysticercosis, also detects a similar high molecular weight antigen of T...
November 16, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29143232/assessment-of-gastrointestinal-nematode-infection-anthelmintic-usage-and-husbandry-practices-on-two-small-scale-goat-farms-in-malaysia
#17
Flora Wong, Neil Sargison
Haemonchosis is a common problem on goat farms in tropical countries such as Malaysia. Prevention of production losses generally depends on the use of anthelmintic drugs, but is threatened by the emergence of anthelmintic resistance. This study investigates anthelmintic efficacy on small-scale Malaysian goat farms and describes putative risk factors. Adult goats had moderate to high pre-treatment faecal trichostrongyle egg counts, despite being housed on slatted floors and fed on cut-and-carry forage, raising questions about the source of nematode infection...
November 15, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29139069/piloting-the-effectiveness-of-pig-health-education-in-combination-with-oxfendazole-treatment-on-prevention-and-or-control-of-porcine-cysticercosis-gastrointestinal-parasites-african-swine-fever-and-ectoparasites-in-ang%C3%A3-nia-district-mozambique
#18
A G Chilundo, M V Johansen, A Pondja, R Miambo, S Afonso, S Mukaratirwa
A community-based intervention combining health education (HE) and treatment of pigs for control of porcine cysticercosis (PC), gastrointestinal (GI) helminths, African swine fever (ASF) and external parasites was tested involving six villages of resource-poor smallholder pig farmers. Farmers and pigs of six rural villages were randomly allocated into group 1 (HE), which served as controls, and group 2 (HE + OFZ) pigs received a single oral dose of 30 mg/kg OFZ. Farmers were trained in pig health, housing and feeding...
November 14, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29139068/minor-corral-changes-and-adoption-of-good-handling-practices-can-improve-the-behavior-and-reduce-cortisol-release-in-nellore-cows
#19
Maria Lúcia Pereira Lima, João Alberto Negrão, Claudia Cristina Paro de Paz, Temple Grandin
Inadequate corral facilities and improper handling are major causes of stress in beef cattle. The purpose of this study was to evaluate the effects of minor changes in the corral and adoption of good handling practices on the behavior, cortisol release, and time spent taking blood samples in Nellore cows. Minor corral changes included obstructing the cow's vision when the handler walked deep into the animal's flight zone and the elimination of bright objects, color contrasts, puddles, shadows, and darkness in the corral...
November 14, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29134541/bovine-herpesvirus-1-bhv-1-bovine-leukemia-virus-blv-and-bovine-viral-diarrhea-virus-bvdv-infections-in-algerian-dromedary-camels-camelus-dromaderius
#20
Radhwane Saidi, Amina Bessas, Idir Bitam, Yaşar Ergün, Veysel Soydal Ataseven
This study was performed to investigate the presence of bovine herpesvirus-1 (BHV-1), bovine leukemia virus (BLV) and bovine viral diarrhea virus (BVDV) infections in dromedary camels (Camelus dromaderius) kept in mixed herds with sheep and goats in Algeria, since the prevalence of BHV-1, BVDV, and BLV infections among dromedary camels in Algeria is unknown. Totally, 111 camel sera were collected from two provinces (Laghouat and Ghardaia) in Algeria. The sera were analyzed for BHV-1 specific antibodies, BVDV specific antibodies and BVDV antigen using the ELISA, and BLV nucleic acid using PCR...
November 13, 2017: Tropical Animal Health and Production
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