Molecular characterisation of virulence genes in Staphylococcus aureus associated with clinical bovine mastitis

Easaw, Anugraha Mercy; Vijayakumar, K.; Davis, K. Justin; Shyma, V. H.; Surya, S.

doi:10.51966/jvas.2022.53.2.279-284

Cited by 1 publication

(1 citation statement)

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“…Mastitis was the most common abnormality noticed in diseased group (32.0 per cent). Higher incidence of clinical mastitis was previously reported among early lactation dairy cattle in Thrissur district (Easaw et al, 2022). Dohoo and Martin (1984) and Suthar et al (2013) could not find any significant association between occurrence of subclinical ketosis and mastitis.…”

Section: Concurrent Transition Period Abnormalitiesmentioning

confidence: 51%

Subclinical ketosis: Prevalence and risk factor analysis in early lactation dairy cattle of Thrissur district

Francis¹,

Ambily²,

Pillai³

et al. 2022

Journal of Veterinary and Animal Sciences

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Present study was conducted in Kerala Veterinary and Animal Sciences University farms, various organized and unorganised farms and individual households in Thrissur district during the period of May 2021 to April 2022 with the objectives of estimation of prevalence of subclinical ketosis (SCK) by screening dairy cows on 14th and 28th day post-partum. Multiparous cows with a blood beta-hydroxy butyrate (BHB) value ≥ 1.2 mmol/L without any overt clinical signs were considered as positive for SCK. One hundred and fourteen animals from second to seventh lactation were screened for SCK. Prevalence of SCK was 23.7 per cent on 14th day and 14.04 per cent on 28th day with a total prevalence of 27.2 per cent. Occurrence of SCK was highest in animals in second lactation (54.8 per cent) with more occurrence in crossbred Holstein Friesian cows. Maximum number of positive cases were observed in dairy cows of age between four to six years (54.8 per cent). Body condition score of diseased animals were higher than normal animals. Prevalence was highest in animals calved between months of July to September and 58.1 per cent of affected animals had male calf. Concurrent abnormalities during transition period were also assessed based on clinical examination and farm records.

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Section: Concurrent Transition Period Abnormalitiesmentioning

confidence: 51%