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Assessing lameness prevalence and associated risk factors in crossbred dairy cows across diverse management environments.

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  • معلومة اضافية
    • المصدر:
      Publisher: BioMed Central Country of Publication: England NLM ID: 101249759 Publication Model: Electronic Cited Medium: Internet ISSN: 1746-6148 (Electronic) Linking ISSN: 17466148 NLM ISO Abbreviation: BMC Vet Res Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: London : BioMed Central, 2005-
    • الموضوع:
    • نبذة مختصرة :
      Background: A thorough understanding of lameness prevalence is essential for evaluating the impact of this condition on the dairy industry and assessing the effectiveness of preventive strategies designed to minimize its occurrence. Therefore, this cross-sectional study aimed to ascertain the prevalence of lameness and identify potential risk factors associated with lameness in Holstein Friesian crossbred cows across both commercial and smallholder dairy production systems in Bengaluru Rural District of Karnataka, India.
      Methods: The research encompassed six commercial dairy farms and 139 smallholder dairy farms, involving a total of 617 Holstein Friesian crossbred cattle. On-site surveys were conducted at the farms, employing a meticulously designed questionnaire. Lameness in dairy cattle was assessed subjectively using a locomotion scoring system. Both bivariate and binary logistic regression models were employed for risk assessment, while principal components analysis (PCA) was conducted to address the high dimensionality of the data and capture the underlying structure of the explanatory variables.
      Results: The overall lameness prevalence of 21.9% in commercial dairy farms and 4.6% in smallholder dairy farms. Various factors such as age, body weight, parity, body condition score (BCS), floor type, hock and knee injuries, animal hygiene, provision of hoof trimming, and the presence of hoof lesions were found to be significantly associated with lameness. Binary logistic regression analysis indicated that the odds of lameness in crossbred cows increased with higher parity, decreased BCS, presence of hard flooring, poor animal hygiene, and the existence of hoof lesions. These factors were identified as potential risk factors for lameness in dairy cows. Principal component analysis unveiled five components explaining 71.32% of the total variance in commercial farms and 61.21% in smallholder dairy farms. The extracted components demonstrated higher loadings of housing and management factors (such as hoof trimming and provision of footbath) and animal-level factors (including parity, age, and BCS) in relation to lameness in dairy cows.
      Conclusions: The findings suggest that principal component analysis effectively reduces the dimensionality of risk factors. Addressing these identified risk factors for lameness is crucial for the strategic management of lameness in dairy cows. Future research in India should investigate the effectiveness of management interventions targeted at the identified risk factors in preventing lameness in dairy cattle across diverse environments.
      (© 2024. The Author(s).)
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    • Contributed Indexing:
      Keywords: Commercial farms; Dairy cows; Lameness; Prevalence; Risk factors; Smallholder dairy farms
    • الموضوع:
      Date Created: 20240525 Date Completed: 20240525 Latest Revision: 20240528
    • الموضوع:
      20240528
    • الرقم المعرف:
      PMC11127402
    • الرقم المعرف:
      10.1186/s12917-024-04093-w
    • الرقم المعرف:
      38796437