Original Articles

An Outbreak of Tetanus in a Sheep Flock Following Insanitary EarTagging in Mazandaran Province, Iran

Abstract

Background:     Clostridium tetani is the etiologic agent of tetanus which is a hyper acute disease affecting various animal species. Tetanus distributes worldwide However its occurrence highly depends on the vaccination programs and the level of hygiene in a flock. There are a lot of flocks in Iran which have not been received vaccine. The aim of the present study is to illustrate the importance of tetanus as a cause of high mortality in small ruminants.

Methods:     In a flock consisting 600 sheep, all the animal’s ears were tagged. A total of 50 animals showed clinical signs of tetanus. The wound exudates were collected from deep parts of the injured ears. The samples were stained by gram staining and were cultured on blood agar media. Then biochemical tests were conducted on the suspected colonies.

Results:     The animal’s symptoms included limb stiffness, spasticity, trismus, sternal recumbency, lateral recumbency and opisthotonus were observed. The laboratory results confirmed the presence of Clostridium tetani.

Conclusion:     According to the present study, consideration should be given to the tetanus vaccination which is crucial in high susceptible species and flocks managed base on traditional methods. Using ear tags in a clean and hygienic manner and spraying antibiotics on the wounds during the process may also decrease the probability of tetanus.

1. Constable, P.D., Hinchcliff, K.W., Grunberg, W., 2017. Veterinary medicine: A text book of the diseases of cattle, horses, sheep, pigs and goats, 11th ed. Elsevier, Missouri.
2. Parmar VL, Prasad A, Patel JS, et al. Clinico-Therapeutic management of tetanus in caprines. Intas Polivet 2015; 16(2):380-1.
3. Scott, PhR., 2015. Sheep medicine, 2nd ed. CRC press, Florida.
4. Siddiqui MFMF, Shaikh SR, Shakhare MP, et al. Successful therapeutic management of neonatal tetanus in goat. Int J Chem Stud 2019; 7(3):151-2.
5. Esmaeili, H., Hamedi, M., 2018. Color atlas of sheep and goat diseases in Iran, 2nd ed. University of Tehran, Tehran.
6. Popoff M. Tetanus in animals. J Vet Diagn 2020; 32(2):184-91.
7. Valgaeren B, De Schutter P, Pardon B, et al. Thermic dehorning and ear tagging as atypical portals of entry of Clostridium tetani in ruminants. Vlaams Diergen Tijds 2011; 80:351-4.
8. Driemeier D, Schild AL, Fernandes JCT, et al. Outbreaks of tetanus in beef cattle and sheep in Brazil associated with disophenol injection. J Vet Med A 2007; 54:333-5.
9. Lakshman A, Char N, Rajeswarl K, et al. An outbreak of tetanus in sheep. Indian Vet J 1993; 297-300.
10. Melkert D, Kahema L, Melkert P. Reduction of mortality due to tetanus by immunisation and proper wound management of the patients in Sengerema designated district Hospital, Tanzania. Trop Doctor 2014; 44(3):163-5.
11. Dietz V, Milstein JB, Loon FV, et al. Performance and potency of tetanus toxoid implications for eliminating neonatal tetanus. WHO 1996; 74:619-8.
12. Aslani MR, Bazargani TT., Ashkar AA, et al. Outbreak of tetanus in lambs. Vet Rec 1998; 142:518-9.
13. Lotfollahzadeh S, Heydari M, Mohebbi MR, et al. Tetanus outbreak in a sheep flock due to ear tagging. Vet Med Sci 2019; 5:146-50.
14. Barbosa JD, Dutra MD, Oliveira CMC, et al. Outbreak of tetanus in buffaloes (Buballus bubalis) in Pará, Brazil. Pesqui Vet Bras 2009; 29:263-5.
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IssueVol 10 No 3-4 (2021) QRcode
SectionOriginal Articles
Keywords
Clostridium tetani Ear tagging Outbreak Sheep Tetanus.
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How to Cite
1.
Esmaeili H, Hamedi M, Mohammadpour-Baltork B. An Outbreak of Tetanus in a Sheep Flock Following Insanitary EarTagging in Mazandaran Province, Iran. J Med Bacteriol. 2021;10(3-4):28-32.