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Types of Animal Diseases and Their Potential Threats to Sustainability of Animal Biodiversity 动物疾病类型及其对动物生物多样性可持续性的潜在威胁
Pub Date : 2020-02-29 DOI: 10.36478/javaa.2019.227.238
Aweke Engdawork
Animal genetic resource diversity ensures the continuity of biodiversity and their survival as adaptation to several challenges and agro-ecologies. Animal biodiversity has valuable contribution in animal products variety and to their ecological balance. Currently, animals and their genetic diversity are being under several threats, challenging their sustainability and survival. Infectious diseases are emerged as a potential threat to several animal species and breeds, particularly challenging endangered or at risk animal species/breeds. There are many animal diseases which are contagious, virulent and epizootics inducing dramatic mortality and morbidity in both domestic and wild animal population. Invasive infectious diseases are spreading to susceptible populations unaffected before including to species already being threatened by other factors. Emerged infectious diseases are already been involved in the extinction of some species while threatening exist in most of animal species. Generally, animal epizootics affect about 5% of globally threatened birds (67 species) and 26 species (3%) of threatened mammals are impacted by infectious disease. However, huge impact is observed in amphibians that are particularly affected by disease with 17% (317 species). Different animal diseases possess a significant threat and can wipe out most or entire susceptible animal breed/species or multi-species. Rinderpest, Anthrax, African horse sickness, Avian influenza, Newcastle disease, Rabies, Canine distemper, chytridiomycosis, etc., all these can highly threat susceptible animal species/breed. Rinderpest and rabies with canine distemper has threatened Ethiopian cattle population and the endangered Ethiopian wolf, respectively while anthrax outbreak caused threats in herbivores population’s at Mago National Park. Infectious diseases are one of the constraints in the survival and conservation effort of animal genetic resource diversity. Therefore, organized diseases surveillance and control strategies should be employed to safeguard the sustainability of animal biodiversity. Furthermore, advanced studies are required to clarify current distribution and intensity of diseases impact on global animal biodiversity.
动物遗传资源多样性确保了生物多样性的连续性及其生存,以适应各种挑战和农业生态。动物生物多样性对畜产品的多样性及其生态平衡有着重要的贡献。目前,动物及其遗传多样性正受到若干威胁,挑战着它们的可持续性和生存。传染病已成为对若干动物物种和品种的潜在威胁,特别是对濒危或处于危险中的动物物种/品种构成威胁。在家畜和野生动物种群中,有许多具有传染性、毒性和兽疫性的动物疾病,导致大量的死亡率和发病率。侵入性传染病正在向未受影响的易感人群传播,包括已经受到其他因素威胁的物种。新发传染病在威胁着大多数动物物种的同时,也已经导致了一些物种的灭绝。一般来说,动物流行病影响全球约5%的受威胁鸟类(67种),26种(3%)受威胁哺乳动物受到传染病的影响。然而,在两栖动物中观察到巨大的影响,特别是受疾病影响的17%(317种)。不同的动物疾病具有重大威胁,可以消灭大部分或整个易感动物品种/物种或多个物种。牛瘟、炭疽、非洲马病、禽流感、新城疫、狂犬病、犬瘟热、壶菌病等,都能高度威胁易感动物物种/品种。牛瘟和狂犬病(犬瘟热)分别威胁着埃塞俄比亚的牛群和濒临灭绝的埃塞俄比亚狼,而炭疽热的爆发对马戈国家公园的食草动物种群造成了威胁。传染病是制约动物遗传资源多样性生存和保护的因素之一。因此,应采取有组织的疾病监测和控制策略,以保障动物生物多样性的可持续性。此外,需要进一步的研究来阐明疾病对全球动物生物多样性影响的当前分布和强度。
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引用次数: 0
Effect of Different Thawing Time and High Temperature on Frozen Thawed Bull Semen Traits 不同解冻时间和高温对冻融公牛精液性状的影响
Pub Date : 2020-02-29 DOI: 10.36478/javaa.2019.239.245
Edis Yilmaz, K. Ak, A. Baran
: In this study was to investigate the effect of high temperature thawing and post-thaw cold shock application on sperm motility as well as acrosomal and total abnormalities of frozen bull semen. Four Holstein bulls were used to frozen semen in 0.25 mL straws. Semen of each bulls were thawed in 45 sec at 37°C (Group A = Control group) in 15 sec at 50°C (Group B) and 5 sec at 70°C (Group C) and post-thawing cold shock (300 sec at 5°C) were applied to all groups. After spermatozoa motility and morphological examinations are performed sperm samples were incubated at 35°C for 120 min and spermatological traits were repeated. Semen samples from the control and treatment groups were placed in an incubator taking into consideration the medium conditions (Modified buffered Hepes medium) and the time needed for spermatozoa to reach the fertilization site. Motility and morphological defects rates were determined with phase contrast microscopy and motility rate and speed with sperm fertility analyser (SFA-500). The Hancock’s solution was used for morphologic examination of spermatozoa (acrosome, other and total). In computer aided sperm fertility analyser, motility and movement were performed in according to the technique. In conclusion, it has been found that the conventional thawing method and rapid thawing technique are successful methods where the thawing method applied to Group B damaged spermatozoon viability. The rate of thawing in Group B did not protect the spermatozoa from dissolving or from the harmful effects of cold shock.
本研究旨在探讨高温解冻和解冻后冷休克对冷冻公牛精液精子活力及顶体和总异常的影响。4头荷斯坦公牛用0.25 mL的吸管冷冻精液。每头公牛的精液在37°C条件下解冻45秒(A组=对照组),在50°C条件下解冻15秒(B组),在70°C条件下解冻5秒(C组),所有组解冻后冷休克(5°C条件下300秒)。精子运动和形态学检查完成后,将精子样本在35℃下孵育120分钟,并重复精子学特征。根据培养基条件(改良的Hepes缓冲培养基)和精子到达受精部位所需的时间,将对照组和实验组的精液样本置于培养箱中。运动率和形态缺陷率采用相差显微镜测定,运动率和速度采用精子生育分析仪(SFA-500)测定。用汉考克液对精子(顶体、其他和全部)进行形态学检查。在计算机辅助精子生育分析仪中,根据该技术进行了精子的运动和运动。综上所述,常规解冻方法和快速解冻技术是成功的方法,其中解冻方法适用于B组受损精子的生存能力。B组的解冻速度并不能保护精子免受溶解或冷休克的有害影响。
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引用次数: 3
Growth Performance, Nutrient Digestibility and Haematological Parameters of West African Dwarf Goats Fed Water Hyacinth Ensiled with Breadfruit 用面包果包裹水葫芦饲养西非矮山羊的生长性能、养分消化率和血液学参数
Pub Date : 2020-02-29 DOI: 10.36478/javaa.2019.260.269
T. Abegunde, T. F. Akinropo
Ruminant animal production in the dry season is usually problematic as weight losses are experienced arising from scarcity of forages. Conservation of Water Hyacinth (WH) (Eicchornia crassipes) ensiled with Breadfruit (BF) can help to bridge this gap. This study investigated the feeding value of WH ensiled with different levels of BF (at 0, 10, 20, 30 and 40% of the total silage diet mixture) as feed for West African Dwarf (WAD) goats. Chopped WH (2-3 cm) and BF were mixed together while sawdust was included at a constant level of 10% in all treatments and designated as diets 1-5, respectively. The mixture was ensiled for 28 days. A total of 25 growing WAD goats of both sexes (5-7 months old) weighing between 4.25-5.50 kg were randomly allotted 5 experimental diets. Data on proximate composition, growth, nutrient utilization and haematology were collected and subjected to a one way analysis of variance using the General Linear Model (GLM) procedures of SAS while differences between means were separated using the Duncan’s multiple range test of the same package. The proximate composition showed significant (p<0.05) improvement in all parameters as Breadfruit increased in silage diets except for crude protein and ash. Increasing levels of BF in silage diets had a significant (p<0.05) effect on intake. Average daily gain (g/day) for goats were similar in diets 3 (36.36), 4 (39.24) and 5 (37.93) and higher (p<0.05) than those for animals on diet 1 (29.48). The feed conversion ratio for goats on diets 1 and 2 (9.65 and 9.53, respectively) were poorer than those (7.86, 7.55 and 7.81) obtained for goats fed diets 3-5, respectively. Nitrogen intake, faecal nitrogen and nitrogen loss (g/day) were higher (p<0.05) in goats fed diet 1 than in other diets. Haematological parameters improved as BF increased in silage diets. Glucose values (54.76-86.31 mg/dL) increased (p<0.05) across diets while total protein, albumin, urea and creatinine were unaffected by silage diets. Results demonstrated that water hyacinth diets ensiled with Breadfruit have potentials as feed for ruminants with optimum results in silage diets with Breadfruit inclusion levels of 30%.
旱季的反刍动物生产通常是有问题的,因为饲料短缺会导致体重下降。用面包果(BF)青贮水葫芦(WH)有助于弥合这一差距。本研究探讨了不同水平BF(占青贮饲料总混合料的0%、10%、20%、30%和40%)对西非矮山羊(WAD)的饲喂价值。将切碎的WH(2-3cm)和BF混合在一起,同时在所有处理中以10%的恒定水平加入锯末,并分别指定为日粮1-5。将混合物青贮28天。将25只体重在4.25-5.50公斤之间的生长期WAD两性山羊(5-7个月大)随机分配到5个实验日粮中。收集了接近成分、生长、营养利用和血液学的数据,并使用SAS的通用线性模型(GLM)程序对其进行单向方差分析,同时使用同一软件包的Duncan多范围检验分离平均值之间的差异。除粗蛋白和灰分外,随着青贮饲料中面包果含量的增加,接近成分在所有参数上都有显著改善(p<0.05)。提高青贮饲料中BF水平对摄入量有显著影响(p<0.05)。第3日粮(36.36)、第4日粮(39.24)和第5日粮(37.93)中山羊的平均日增重(g/天)与第1日粮(29.48)中的动物相似,但高于(p<0.05)。饲喂日粮1的山羊的氮摄入量、粪便氮和氮损失(g/天)高于其他日粮(p<0.05)。随着青贮饲料日粮BF的增加,血液学参数有所改善。不同日粮的葡萄糖值(54.76-86.31 mg/dL)增加(p<0.05),而总蛋白、白蛋白、尿素和肌酐不受青贮饲料的影响。结果表明,用面包果青贮的水葫芦日粮具有作为反刍动物饲料的潜力,其中面包果含量为30%的青贮日粮效果最佳。
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引用次数: 0
Comparative Morphological Studies on Testes and Seminal Vesicles of African Catfish (Clarias gariepinus) and Nile Tilapia (Tilapia nilotica) 非洲鲶鱼和尼罗罗非鱼睾丸和精囊的比较形态学研究
Pub Date : 2020-02-29 DOI: 10.36478/javaa.2019.208.214
A. Danmaigoro, S. Hena, I. Ibrahim, S. Shehu, M. Mahmud, S. Muhammed, J. Stephen, A. Bello
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引用次数: 0
Effects on Performance, Organic Digestibility and Some Blood Parameters of Use of Wafer in Local Calves Rations as Alternative Feed 局部犊牛口粮中使用硅酸盐替代饲料对生产性能、有机消化率及部分血液指标的影响
Pub Date : 2020-02-29 DOI: 10.36478/javaa.2019.270.277
Y. Retnani, I. Prihantoro, A. Jayanegara, Idat Galih Permana, M. Royan, Isal Mawardi, T. .
: Sub-sector of livestock has an important role in the life and development of human resources in Indonesia. An important issue on agribusiness beef cattle is a continuous population decline every year. The application of technology has to be initiated in order to obtain production efficiency and production cost efficiency. One of the factors that affect the productivity of livestock is feed. The major constraints of ruminant feed are low quality of forage, the low level of palatability and digestibility. To solve this problem is making forage waste into wafer feed supplement. The aim of this experiment was to determine the nutrient content on wafer feed supplement and productivity of local calf that were given by wafer feed supplement. This research was conducted at Laboratory of Feed Industry, Bogor Agricultural University and the performance test at Karya Anugrah Rumpin Corporation on March-April 2016. To determine the nutrient content of wafer feed supplements used proximate analysis. The experiment of productivity used 12 heads of male local calves (Sumba Ongol calves) with average body weight around 136±22.46 kg with ages around 12-18 months. The experimental local calves were maintained individually. The experimental design used randomized block design with four treatments and three replications. The treatments were feeding patterns of wafer feed supplement i.e., T1 = 0% by feeding wafer supplement+concentrate+king grass, T2 = 10% by feeding wafer supplement+concentrate+king grass, T3 = King grass+10% by feeding wafer supplement+concentrate, T4 = Concentrate+king grass+10% by feeding wafer supplement. The parameters measured were productivity of local calves, i.e., daily weight gain, final body weight, consumption, dry matter and organic matter digestibility, blood cholestrol, blood glucose, blood protein. It was concluded that feeding pattern wafer feed supplement can increase consumption and not influence condition of local calves. It was concluded that daily weight gain by feeding wafer supplement feed 42-45% higer than conventional feed. High crude protein of wafer feed supplement is good supplement for ruminant in the tropic.
:畜牧业分部门在印度尼西亚人力资源的生活和发展中发挥着重要作用。农业肉牛的一个重要问题是每年的持续数量下降。为了获得生产效率和生产成本效率,必须启动技术的应用。影响牲畜生产力的因素之一是饲料。反刍动物饲料的主要制约因素是饲料质量低、适口性和消化率低。解决这一问题的方法是将饲料废弃物加工成硅化饲料。本试验旨在测定硅化饲料中营养成分的含量和硅化饲料对犊牛生产能力的影响。该研究于2016年3月至4月在茂物农业大学饲料工业实验室和Karya Anugrah Rumpin Corporation进行了性能测试。采用近似分析法测定硅片饲料添加剂的营养成分。生产力试验选用12头平均体重约136±22.46 kg、年龄约12-18月龄的当地公犊牛(松巴翁戈尔犊牛)。实验犊牛分别饲养。试验设计采用随机区组设计,4个处理,3个重复。各处理的饲喂模式为:T1 = 0%(投喂晶圆补料+精料+王草),T2 = 10%(投喂晶圆补料+精料+王草),T3 =王草+10%(投喂晶圆补料+精料),T4 =精料+王草+10%(投喂晶圆补料)。测量的参数是当地犊牛的生产能力,即日增重、末重、消耗量、干物质和有机物消化率、血胆固醇、血糖、血蛋白。综上所述,饲喂方式可以提高犊牛的消耗量,但不影响犊牛的健康状况。综上所述,饲喂硅片补充饲料可使日增重较常规饲料提高42 ~ 45%。高粗蛋白质硅片饲料是热带反刍动物良好的饲料补充。
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引用次数: 0
The Effect of Propofol and Ketamar on Both Clinical and Hematological Parameters in Pre-Medicated Egyptian Donkeys 异丙酚和克他马对预用药埃及驴临床和血液学参数的影响
Pub Date : 2019-10-20 DOI: 10.36478/javaa.2019.5.10
M. Fathy, Mourad M. Mahmoud
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引用次数: 0
Characterization of the South American Fur Seal (Arctocephalus australis) Electrocardiogram 南美洲海豹(Arctocephalus australis)心电图的特征
Pub Date : 2019-10-20 DOI: 10.36478/javaa.2019.98.107
M. Dassis, Alejandro Díaz, C. León, D. Rodríguez, E. Rodríguez, A. P. León, E. Castro
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引用次数: 2
Serum Immunoglobulins and Lipid Profile of Sheep as Affected by Selenium and Vitamin E Administration 硒和维生素E对绵羊血清免疫球蛋白和脂质的影响
Pub Date : 2019-10-20 DOI: 10.36478/javaa.2019.1.4
S. Musa, I. Bitto, J. Ayoade, E. Oyedipe
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引用次数: 1
Pathogenicity and Immunogenicity of Live Attenuated and Inactivated Fowl Adenovirus in Commercial Broiler Chickens 减毒和灭活禽腺病毒对商品肉鸡的致病性和免疫原性
Pub Date : 2019-10-20 DOI: 10.36478/javaa.2019.84.91
M. S. Norfitriah, M. Hair-Bejo, C. Zhe
{"title":"Pathogenicity and Immunogenicity of Live Attenuated and Inactivated Fowl Adenovirus in Commercial Broiler Chickens","authors":"M. S. Norfitriah, M. Hair-Bejo, C. Zhe","doi":"10.36478/javaa.2019.84.91","DOIUrl":"https://doi.org/10.36478/javaa.2019.84.91","url":null,"abstract":"","PeriodicalId":14914,"journal":{"name":"Journal of Animal and Veterinary Advances","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48502299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Experimental Mastitis in Cows Induced by Field Isolates of Nocardia farcinica 法氏诺卡氏菌野外分离株诱发奶牛实验性乳腺炎
Pub Date : 2019-10-20 DOI: 10.36478/javaa.2019.11.17
Abdelbasit O. Ahmed, H. A. E. Babiker, A. Mahgoub, M. Hamid
{"title":"Experimental Mastitis in Cows Induced by Field Isolates of Nocardia farcinica","authors":"Abdelbasit O. Ahmed, H. A. E. Babiker, A. Mahgoub, M. Hamid","doi":"10.36478/javaa.2019.11.17","DOIUrl":"https://doi.org/10.36478/javaa.2019.11.17","url":null,"abstract":"","PeriodicalId":14914,"journal":{"name":"Journal of Animal and Veterinary Advances","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42706355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Journal of Animal and Veterinary Advances
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