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首页> 外文期刊>Tropical Animal Health and Production >Risk factors associated with prevalence and major bacterial causes of mastitis in dromedary camels (Camelus dromedarius) under different production systems
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Risk factors associated with prevalence and major bacterial causes of mastitis in dromedary camels (Camelus dromedarius) under different production systems

机译：不同生产系统下单峰骆驼（Camelus dromedarius）患乳腺炎的流行和主要细菌病原的危险因素

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摘要

A cross-sectional study was conducted in desert environment of Jhang (Pakistan) from November 2008 to October 2009 on she-camels kept under pastoralist conditions to determine the prevalence of mastitis, impact of risk factors, and isolate the dominant mastitis-causing bacteria on total of 150 lactating she-camels by using clinical examination and surf field mastitis test. From the 150 she-camels examined, 69 (46%) were positive for mastitis at animal level, 12 (8%) clinical, and 57 (38%) subclinical. Age, parity number, stage of lactation, breed, production system, hygiene of milking process, and presence of lesion on udder/teat were found significantly associated (p < 0.05) with the prevalence of mastitis in she-camels. There was the lowest prevalence (33.33%; 15 of 45) of mastitis in she-camels of 5–7 years of age, while the highest (80%; 12 of 15) in the animals aged between 14 to 16 years. Stage of lactation significantly affected (p < 0.05) and was found to be associated with the prevalence of mastitis being the highest (54.55%; 18 of 33) during the initial stage of lactation (0 to 1 month) followed by last 2 months (10–12 months) as 54.17% and mid-stages (1–3 and 3–10 months) of lactation as 28.57% (6 of 21) and 37.50% (9 of 24), respectively. According to breed of camels, it was noted that the prevalence of mastitis affected significantly (p < 0.05) being the highest in crossbred (Desi × Mareecha) as 51.39% (37 of 72) followed in order by Mareecha and Desi as 43.14% and 37.04%, respectively. Staphylococcus (42.19%) and Streptococcus (15.63%) genera were the dominant isolates identified. Good hygiene in milking process, milking clinically infected she-camels at last, culling chronic mastitis carriers, treating clinically infected she-camels, and dry period therapy could reduce the prevalence of contagious mastitis in the study area.
机译：2008年11月至2009年10月，在Jhang（巴基斯坦）的沙漠环境中进行了横断面研究，研究了在牧民条件下饲养的她的骆驼，以确定乳腺炎的患病率，危险因素的影响，并分离出引起乳腺炎的主要细菌。通过临床检查和冲浪场乳腺炎测试，总共有150只哺乳期的母骆驼。在检查的150只骆驼中，动物水平的乳腺炎为69例（46％），临床为12例（8％），亚临床为57例（38％）。发现年龄，胎次数，泌乳阶段，品种，生产系统，挤奶过程的卫生状况以及乳房/小山羊上的病变是否与乳腺炎的患病率显着相关（p <0.05）。在5至7岁的雌性骆驼中，乳腺炎的患病率最低（33.33％； 45之15），而在14至16岁的动物中乳腺炎的患病率最高（80％； 15之12）。泌乳阶段受到显着影响（p <0.05），并被发现与泌乳初期（0至1个月）紧随其后的2个月内乳腺炎的患病率最高（54.55％； 33之18）相关（ 10–12个月）为54.17％，中期（1–3和3–10个月）分别为28.57％（21之6）和37.50％（9之24）。根据骆驼的种类，注意到乳腺炎的患病率显着（p <0.05），在杂种（Desi×Mareecha）中最高，为51.39％（72中的37），其次是Mareecha和Desi（43.14％），分别为37.04％。葡萄球菌（42.19％）和链球菌（15.63％）属是鉴定出的主要分离株。挤奶过程中要保持良好的卫生习惯，最后要挤奶临床感染的她-骆驼，淘汰慢性乳腺炎携带者，治疗临床感染的她-骆驼，并采用干燥期疗法可以降低研究区域传染性乳腺炎的患病率。

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  • 来源
    《Tropical Animal Health and Production》 |2012年第1期|107-112|共6页
  • 作者

    Sibtain Ahmad; Muhammad Yaqoob; Muhammad Qamar Bilal; Ghulam Muhammad; Li-Guo Yang; Muhammad Kasib Khan; Muhammad Tariq;

  • 作者单位

    Department of Livestock Management University of Agriculture Faisalabad 38040 Pakistan;

    Department of Livestock Management University of Agriculture Faisalabad 38040 Pakistan;

    Department of Livestock Management University of Agriculture Faisalabad 38040 Pakistan;

    Department of Clinical Medicine and Surgery University of Agriculture Faisalabad 38040 Pakistan;

    Key Laboratory of Agricultural Animal Genetics Breeding and Reproduction Science Ministry of Education College of Animal Science and Technology Huazhong Agricultural University Wuhan 430070 People’s Republic of China;

    Department of Parasitology University of Agriculture Faisalabad 38040 Pakistan;

    Department of Livestock Management University of Agriculture Faisalabad 38040 Pakistan;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Pakistan; Desert environment; Parity; Stage of lactation; Hygienic milking; Staphylococcus;

    机译：巴基斯坦;沙漠环境;平价;哺乳阶段;卫生挤奶;葡萄球菌;

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