Seasonal Variation and Frequency Distribution of Ectoparasites in Crossbreed Cattle in Southeastern Brazil
Table 2
Ectoparasite counts on heifers from Holstein × Gir crossbreeds from November 2007 to September 2009 in the northeast of Minas Gerais State, Brazil.
Month
R. microplus
D. hominis
H. irritans
Group A
Group B
Group A
Group B
Group A
Group B
Nov./07
0.0 (0.0) 0-0
0.0 (0.3) 0-0
0.0 (0.4) 0–0.3
0.0 (0.0) 0-0
0.0 (4.2) 1–6
6.5 (8.5) 3–11.8
Dec./07
0.0 (2.1) 0–2.5
3.0 (4.3) 0–6.5
0.0 (0.2) 0-0
0.0 (0.0) 0-0
10.5 (15.7) 5.5–19.5
13.5 (29.5) 3.8–31.8
Jan./08
0.0 (0.0) 0-0
0.0 (0.0) 0-0
0.0 (1.0) 0-1
*2.0 (5.5) 1.5–7
0.0 (2.1) 0–3
2.5 (3.1) 1–4
Feb./08
1.0 (1.7) 0–3
0.0 (0.4) 0-1
0.0 (0.7) 0-1
1.0 (2.9) 0.8–4.3
1.0 (1.7) 1–2.3
2.0 (2.0) 1-2
Mar./08
2.0 (3.4) 0–6
0.0 (0.8) 0–2
0.0 (0.1) 0-0
0.0 (0.1) 0-0
0.0 (0.9) 0–1.3
0.0 (0.9) 0-0
April/08
2.0 (2.6) 0.8–4
1.0 (1.5) 0–2.5
0.0 (0.2) 0-0
0.0 (0.9) 0–1.3
1.0 (1.5) 1-2
2.0 (2.8) 0–2.3
May/08
1.0 (1.8) 0–2
1.0 (2.3) 0–3
0.0 (0.2) 0-0
0.0 (1.4) 0–1.5
1.0 (1.7) 0–2
1.0 (5.0) 0–3
June/08
3.0 (4.7) 1.8–5.5
3.5 (4.4) 1–5.8
0.0 (0.2) 0-0
0.0 (0.5) 0–0.3
2.5 (2.9) 1–4
4.5 (8.1) 2–9
July/08
5.0 (7.6) 2–8.5
4.0 (6.5) 1.5–8.5
0.0 (0.3) 0-0
*2.5 (3.0) 0–4.3
2.0 (3.6) 0.8–5.3
*8.0 (10.5) 3.8–15
Aug./08
15.0 (18.1) 4–21
*0.0 (8.5) 0–7
0.0 (0.4) 0-0
*3.5 (5.1) 0–8.5
3.5 (4.5) 1.8–6.3
6.0 (17.6) 2–8
Sept./08
8.0 (9.4) 3–12
1.5 (5.3) 0–8
0.0 (0.5) 0-1
1.5 (2.9) 0–5.5
23.5 (25.2) 14.8–34.5
35.5 (43.1) 26.8–53.8
Oct./08
0.0 (0.8) 0-0
0.0 (2.0) 0-0
0.0 (0.5) 0-0
0.0 (0.8) 0-0
40.0 (45.3) 23.5–61.8
67.0 (67.9) 47–92.5
Nov./08
0.0 (2.1) 0-0
0.0 (0.3) 0-0
0.0 (0.3) 0-0
0.0 (0.0) 0-0
9.0 (13.0) 5–23
*32.5 (35.6) 10.5–53.3
Dec./08
0.0 (3.4) 0-0
1.0 (9.5) 0–12
0.0 (0.1) 0-0
0.0 (0.1) 0-0
9.0 (12.3) 5–18.5
17.5 (21.9) 6.8–26.3
Jan./09
0.0 (0.2) 0-0
0.0 (0.0) 0-0
0.0 (1.0) 0-1
2.0 (2.5) 0–3.3
9.0 (12.5) 5–14.3
14.0 (17.1) 7–26.5
Feb./09
0.0 (0.3) 0-0
0.0 (0.8) 0-0
0.5 (1.8) 0–3
*5.0 (8.0) 3.8–7.3
0.0 (0.7) 0-0
0.0 (0.6) 0–0.5
Mar./09
0.0 (2.1) 0-0
0.0 (4.0) 0-1
0.0 (0.2) 0-0
0.0 (0.0) 0-0
1.0 (1.5) 0–2
*6.0 (5.8) 5.5–6.3
April/09
0.0 (0.4) 0-0
0.0 (0.0) 0-0
0.0 (0.0) 0-0
0.0 (0.0) 0-0
59.5 (68.2) 42.3–75.3
90.0 (93.8) 41–143.3
May/09
0.0 (0.8) 0-0
0.0 (0.0) 0-0
0.0 (0.5) 0-1
0.5 (0.8) 0–1.3
32.0 (45.1) 18.3–57
*82.5 (79.5) 42.3–103.8
June/09
0.0 (0.8) 0-0
0.0 (0.0) 0-0
0.0 (0.1) 0-0
0.0 (0.4) 0-1
0.0 (2.7) 0–3.3
6.0 (6.4) 0.8–10
July/09
5.0 (7.7) 0–10.5
0.0 (3.1) 0–5
0.0 (0.9) 0-0
*5.0 (8.4) 0.5–7.5
1.0 (2.2) 0–3
0.0 (6.4) 0–2.5
Aug./09
0.0 (1.0) 0-0
0.0 (0.9) 0-0
0.0 (2.5) 0–1.5
*20.0 (32.7) 6.5–55.5
2.0 (2.6) 0.5–3
0.0 (0.4) 0-1
Sept./09
0.0 (0.1) 0-0
0.0 (0.0) 0-0
3.0 (7.4) 1–7.5
*12.0 (32.1) 7–37
7.0 (8.5) 3–12
5.0 (21.3) 3–24
Total
0.0 (3.1) 0–3
0.0 (2.4) 0–2
0.0 (0.8) 0-0
0.0 (4.4) 0–3
3.0 (12.1) 0.9–24.2
6.0 (21.4) 2.6–35.6
Group A: 1/4 Holstein × 3/4 Gir; Group B: 1/2 Holstein × 1/2 Gir. Data are presented as median (mean) quartile 1–quartile 3.
*Significant difference between groups A and B (; Mann-Whitney U test).
