Table 2.
Isolation Rate of Staphylococcus Species from Mastitic Quarters of Zebu Cows in the Study Areas
| Type of Staphylococcus Species (No. of Isolates in CM, SCM, M) | % Isolation (95% CI) from Clinical Mastitis (N=16) | % Isolation (95% CI) from Subclinical Mastitis (N=111) | % Isolation (95% CI) from Overall Mastitis (N=127) |
|---|---|---|---|
| S. aureus (3,4,7) | 18.75(4.1–45.6) | 3.6 (1.0–9.0) | 5.5(2.2–11.0) |
| S. intermedius (0,13,13) | 0(0.00) | 11.7(6.4–19.2) | 10.2(5.6–16.9) |
| S. hyicus (0,19,19) | 0(0.00) | 17.1(10.6–25.4) | 15.0(9.3–22.4) |
| CPS (3,36,39) | 18.75 (4.1–45.6) | 32.4(23.9–42.0) | 30.7(22.8–39.5) |
| S. lentus (3,5,8) | 18.75(4.1–4.7) | 4.5 (1.5–10.2) | 6.3(2.8–12.0) |
| S. sciuri (0,2,2) | 0(0.00) | 1.8(0.2–6.4) | 1.6(0.2–5.6) |
| CNS(3,7,10) | 18.75(4.1–4.7) | 6.3(2.8–12.6) | 7.9(3.8–14.0) |
| All species (6,43, 49) | 37.5(15.2–64.6) | 38.7(29.6–48.5) | 38.6(30.1–47.6) |
Abbreviations: CNS, coagulase negative Staphylococcus; CPS, coagulase positive Staphylococcus; CI, confidence interval; CM, clinical mastitis; M, overall mastitis cases; N, number of quarters; SCM, subclinical mastitis.