Caseous Lymphangitis in a Goat Farm
2024
M, Ranjithkumar | M, Saravanan | P, Ponnusamy | P, Selvaraj
Caseous lymphadenitis (CL) is a sporadic bacterial disease of chronic suppurative lymphadenitis in goats. The prevalence of CL is considered high in many countries, but detailed research on prevalence rates, farm practices, and abattoir findings is limited in India. This paper reports the presence of this disease on an endemic form in a goat farm. A two-year-old mixed breed doe was presented with the history of swelling in mandibular region and inappetence for the past one week. Greenish pus was aspirated from it and Giemsa stain confirms the presence of coccobacillus bacteria. Culture and isolation identified it as Corynebacterium pseudotuberculosis on 10% sheep blood agar. The abscess drained off, flushed with 5 % iodine solution and treated with injection lincomycin @ 10 mg/kg until recovery. The same history was repeated by the owner after a month and visit to the farm exposed three more animals were also affected. All of them confirmed CL based on bacterial culture and isolation. Based on this it was confirmed that the disease was endemic in that farm. Rearing goats as semi-intensive flocks, sharing of grazing fields together with other animals, commingling of animals after grazing particularly in the night time, rupture of abscess in the shelter itself, improper knowledge about disease and poor husbandry practices favours the endemicity of this disease in goats. This paper reports the endemicity of the caseous lymphadentitis in a goat flock.
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