Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Prevalence of Sub-clinical Mastitis and Associated Risk Factors at Cow Level in Dairy Farms in Southwestern Part of Bangladesh

Version 1 : Received: 27 July 2020 / Approved: 28 July 2020 / Online: 28 July 2020 (10:40:34 CEST)

How to cite: Sayeed, M.A.; Rahman, M.A.; Bari, M.S.; Islam, A.; Rahman, M.M.; Hoque, M.A. Prevalence of Sub-clinical Mastitis and Associated Risk Factors at Cow Level in Dairy Farms in Southwestern Part of Bangladesh. Preprints 2020, 2020070679 (doi: 10.20944/preprints202007.0679.v1). Sayeed, M.A.; Rahman, M.A.; Bari, M.S.; Islam, A.; Rahman, M.M.; Hoque, M.A. Prevalence of Sub-clinical Mastitis and Associated Risk Factors at Cow Level in Dairy Farms in Southwestern Part of Bangladesh. Preprints 2020, 2020070679 (doi: 10.20944/preprints202007.0679.v1).

Abstract

A cross-sectional study was carried out to determine the prevalence of subclinical mastitis (SCM) among medium to large scale household dairy farms in southwestern district, Jhenaidah, Bangladesh during July to December 2019. A total of 78 (n=100) lactating cows from household dairy farms (N=32) having three or more dairy cows were selected randomly as sampled populations. Milk samples were screened for SCM by using Surf Field Mastitis Test (SFMT). The prevalence of SCM varied among farm level [71.9% (95% CI: 53.3-86.3)], individual animal level [67.9% (95% CI: 56.4-86.3)] and quarter level [29.5% (95% CI: 24.5-34.9)]. Descriptive statistics represented the farmers and farm demography, characteristics of the sampled population, and overall management feature. Random Effect Logistic Regression identified, Body Condition Score (BCS) [OR=3.8 and 2.9, at cows level and quarter level respectively (BCS-2 vs. BCS-≥3)], and breed [OR=5.1 and 2.9, at cows level and quarter level respectively (HF× Sahiwal vs. HF × Local)] as potential risk factors. This study shows that SCM is highly prevalent in the study area, which is a major threat to the dairy industry's production performance. Regular screening by SFMT, proper hygiene, improve the management system, and farmer’s awareness is required to control the disease.

Subject Areas

Sub Clinical Mastitis; prevalence; Surf Field Mastitis Test; Jhenaidah

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