Abstract
This study assesses subclinical mastitis in Santa Ines ewes and its influence on the physical-chemical characteristics of milk. Investigation of 31 flocks was carried out, totalizing 135 primiparous and multiparous ewes in different lactation stages. A total of 244 mammary glands were examined before the collection of milk samples for bacteriological analysis and determination of physical-chemical milk compounds, such as acidity, density, fat, pH and chloride concentration. The microorganisms isolated were: Staphylococcus spp., mainly coagulase negative Staphylococcus, S. aureus, and S. hyicus (80,18%); Gram-negative bacteria (9,43%); Streptococcus spp. (7,55%); and Bacillus spp. (2,83%). Research findings revealed significant alterations (p<0,05) as regards values of acidity, pH, density, and chloride concentration due to subclinical mastitis.
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