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A comparison of milk somatic cell count between industrial and traditional dairy farms in Tehran province

Document Type : Research Paper

Authors

1 M.Sc. Student, Department of Animal Science, Faculty of Agriculture, Isfehan University of Technology, Isfehan, Iran

2 Assistant Professor, Department of Animal Science, Faculty of Agriculture, Isfehan University of Technology, Isfehan, Iran

3 Assistant Professor, Department of Animal Sciences, Faculty of Agriculture, University of Razi, Kermanshah, Iran

Abstract

In this study, somatic cell counts (SCC) of milk were determined in six industrial and traditional dairy
farms in Tehran province during different seasons. The prevalence of udder disorders and mastitis was
estimated on the base of SCC as an indicator as well. In this research, industrial and traditional dairy
farms during 9 months were studied by total 32620 SCC records. Milk samples were collected
individually. Least square mean (±standard error) (n×1000 per ml) in industrial and traditional culture
systems were 80.11 (±12.60) and 234.57 (±12.97), respectively. The SCC in traditional dairy farms was
approximately 2.9 times higher than those of industrial ones (P<0.05). The highest SCC was found in
summer that was statistically different from spring and autumn (P<0.05). In industrial dairy farms, subclinical
and clinical mastitis were estimated to 36.6 and 11.8%, respectively. The corresponding values
for traditional ones were 59.6 and 34.7%, respectively. The results showed that if the SCC decreases by a
half, mastitis disease incidence would be reduced up to 30-50 percent.

Keywords

References
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Animal Production
Volume 15, Issue 1 - Serial Number 1
July 2014
Pages 21-29
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