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索马里和埃塞俄比亚东部雌性骆驼生殖器官疾病的病理学和细菌学评估

Pathological and Bacteriological Assessment of Reproductive Organ Disorders in She Camels in Somali, Eastern Ethiopia.

作者信息

Chekole Asnakew, Gelaye Abaynew, Fesseha Haben, Mathewos Mesfin

机构信息

Guna Begemdir District Veterinary Clinic, Debre Tabor, South Gondar Zone, Amhara Region, North-Central Ethiopia.

Guangua District Veterinary Clinic, Injibara, Awi Zone, Amhara Region, Northwest Ethiopia.

出版信息

Vet Med (Auckl). 2021 Dec 29;12:371-379. doi: 10.2147/VMRR.S348127. eCollection 2021.

Abstract

BACKGROUND

Reproduction is a vital necessity for effective livestock production, and its productivity depends on the normal structure and function of the genital organs.

METHODS

A study was carried out to characterize gross pathological lesions and identify aerobic bacteria from reproductive organ disorders of slaughtered she-camels () in the Fafen zone of the Somali Regional States of Ethiopia. All the available reproductive organ (50) samples were considered during sampling and cultured bacteriologically using a standard procedure.

RESULTS

Accordingly, eighteen out of fifty female dromedary camels (36%, 18/50) were found to have gross pathological lesions on the genitalia, including acute metritis (10%), pyometra (8%), cervicitis (6%), vaginitis (4%), follicular cysts (4%), inactive/hypoplastic ovaries (2%) and vaginal lymphocytic masses (2%). Based on the anatomical distribution of reproductive tract lesions, uterine abnormalities were the most frequently observed lesions (18%, 9/50), followed by cervicovaginal abnormalities (12%, 6/50) and ovarian abnormalities (6%, 3/50). In addition, eight different species of bacteria were identified from the sampled reproductive organs: 29 (58%) from the uterus, 7 (14%) from the cervix, 7 (14%) from the vagina, 4 (8%) from the udder, and 3 (6%) from the ovary. Of the total isolated bacteria, coagulase-negative species 25 (50%), 18 (36%), 12 (24%), species 11 (22%), species 6 (12%), species 8 (16%), species 2 (4%) and species 1 (2%) were the most commonly identified bacterial species.

CONCLUSION

The study revealed that gross lesions of reproductive tracts and their bacterial isolates are prevalent in female dromedary camels. The role of each reproductive tract lesion and bacterial isolate as causes of reproductive failure in camels requires further investigation.

摘要

背景

繁殖是高效畜牧生产的重要必要条件,其生产力取决于生殖器官的正常结构和功能。

方法

开展了一项研究,以描述埃塞俄比亚索马里州法芬地区屠宰的雌性单峰骆驼生殖器官疾病的大体病理病变并鉴定需氧菌。采样时考虑了所有可用的生殖器官(50个)样本,并采用标准程序进行细菌培养。

结果

因此,50只雌性单峰骆驼中有18只(36%,18/50)被发现生殖器官存在大体病理病变,包括急性子宫炎(10%)、子宫积脓(8%)、宫颈炎(6%)、阴道炎(4%)、卵泡囊肿(4%)、无活性/发育不全的卵巢(2%)和阴道淋巴细胞肿块(2%)。根据生殖道病变的解剖分布,子宫异常是最常观察到的病变(18%,9/50),其次是宫颈阴道异常(12%,6/50)和卵巢异常(6%,3/50)。此外,从采样的生殖器官中鉴定出8种不同的细菌:29种(58%)来自子宫,7种(14%)来自宫颈,7种(14%)来自阴道,4种(8%)来自乳房,3种(6%)来自卵巢。在分离出的所有细菌中,凝固酶阴性葡萄球菌25种(50%)、大肠埃希菌18种(36%)、金黄色葡萄球菌12种(24%)、无乳链球菌11种(22%)、停乳链球菌6种(12%)、溶血葡萄球菌8种(16%)、表皮葡萄球菌2种(4%)和松鼠葡萄球菌1种(2%)是最常鉴定出的细菌种类。

结论

该研究表明,生殖道的大体病变及其细菌分离株在雌性单峰骆驼中普遍存在。每种生殖道病变和细菌分离株作为骆驼繁殖失败原因的作用需要进一步研究。

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Llama reproduction.羊驼繁殖。
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