Prevalence and risk factors associated with subclinical mastitis (SCM) in goats in a Southern part (Ghardaïa) of Algeria

Document Type : Original Article

Authors

1 Laboratory of Biotechnologies related to Animal Reproduction, Veterinary Sciences Institute, Saad Dahleb Blida1University 1, Blida, Algeria

2 Department of Food Sciences, Faculty of Natural and Life Sciences, Saad Dahleb Blida1University 1, Blida, Algeria

3 Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine of Cluj-Napoca, Romania

4 Veterinary Sciences Institute, Tiaret University, Tiaret, Algeria

5 Laboratory of Biotechnologies related to Animal Reproduction, Veterinary Sciences Institute, Saad Dahleb Blida1University 1, Blida, Algeria; Biotechnologies Platform for Animal Medicine & Reproduction (BIOMERA), Blida University 1, Blida, Algeria

6 Laboratory of Biotechnologies related to Animal Reproduction, Veterinary Sciences Institute, Saad Dahleb Blida1University 1, Blida, Algeria; Biotechnologies Platform for Animal Medicine & Reproduction (BIOMERA), Blida University 1, Blida, Algeria; Animal Health & Production Laboratory (SPA), Higher National Veterinary School, Issad Abbes, Algiers, Algeria

Abstract

Subclinical mastitis (SCM), a frequently unnoticed udder infection, poses a significant health concern for consumers due to the potential presence of harmful microorganisms in milk. This study focuses on evaluating the prevalence and identifying risk factors associated with subclinical mastitis in goats raised in the department of Ghardaïa (Algeria). A survey was conducted using the California Mastitis Test (CMT) on 120 goats aged between 2 and 9 years, with lactation numbers ranging from 1 to 8. The findings revealed a notable prevalence of subclinical mastitis in goats from the Ghardaïa department, reaching 27.5%. Statistical analysis highlighted a strong correlation between the occurrence of subclinical mastitis and factors such as age and lactation rank. A significant difference (P < 0.05) was observed based on age, with the highest prevalence (60%) in goats aged over 7 years, followed by goats aged 4 to 7 years (36.7%), while the youngest goats (1–3 years) showed the lowest occurrence (10%). Additionally, a significant difference (P < 0.05) was noted across lactation ranks, with goats having 6 or more lactations being the most affected (60%), followed by those with 4 to 5 lactations (32.5%), and finally those with 1 to 3 lactations (13.3%). In contrast, no significant difference (P > 0.05) was found between breeds, despite a prevalence of 24.4% in the Arbia breed and 36.7% in crossbred goats. In conclusion, this study underscores the high prevalence of subclinical mastitis in goats reared in the Ghardaïa department and emphasizes the need for improved management practices.

Keywords

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References

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History

  • Receive Date: 15 March 2025
  • Revise Date: 04 May 2025
  • Accept Date: 11 May 2025

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