Research Article

Efficacy of Germinated Cereals as Bait Carrier for Zinc Phosphide and Bromadiolone against Field and Commensal Rodent Pests: A Laboratory Evaluation

Table 3

Mortality of four rodent species after feeding on 0.005% bromadiolone baits of germinated cereals for two days in no-choice tests.

SpeciesBait Body weight (g)
mean ± SDa
Poison consumption (g)Intake of active ingredient (mg/kg−1) Mortality Days to death
mean ± SDa
mean ± SDamean ± SDa
1st day2nd dayb1st day2nd day

Paddy104.1 ± 30.2
(65–165)
11.7 ± 1.8
(7.7–14)
10.1 ± 2.3NS
(8–14.2)
6.1 ± 2.2
(3.0–10.9)
6.6 ± 4.7
(3.2–19.2)
10/105.2 ± 2.5
(1–9)
B. bengalensis Pearl millet118.7 ± 18.1
(92–148)
10.8 ± 1.03
(8.8–12.0)
8.7 ± 1.6** 
(4.5–10)
4.6 ± 0.7
(3.40–5.8)
3.8 ± 1.0
(1.5–5.4)
10/102.1 ± 0.5
(1–3)
Finger millet111.3 ± 13.7
(92–135)
9.2 ± 1.4
(7.5–12.9)
5.8 ± 1.6** 
(2.1–8)
4.16 ± 0.6
(3.3–5.1)
5.8 ± 1.6
(2.1–8)
10/103.4 ± 0.8
(2–5)

Paddy42.5 ± 5.27
(35–52)
7.13 ± 2.8
(2.3–11.3)
8.9 ± 3.3NS
(1.3–14.2)
8.5 ± 2.8
(3.7–12.6)
10.4 ± 3.8
(1.5–14.5)
7/104.6 ± 2.5
(1–8)
M. meltada Pearl millet39.2 ± 3.85
(32–45)
7.1 ± 1.0
(5–8.2)
6.7 ± 2.5NS
(1–10)
9.2 ± 1.8
(6.7–12.8)
6.7 ± 2.5
(1–10)
9/108.5 ± 4.1
(6–14)
Finger millet41.3 ± 4.7
(32–52)
5 ± 1.3
(3.6–7.2)
6.7 ± 1.2** 
(5–8.5)
5.9 ± 1.6
(4.0–8.9)
7.90 ± 1.2
(5–8.5)
10/108.2 ± 2.2
(5–12)

Paddy8.07 ± 1.0
(6.5–9.5)
2.3 ± 0.4
(2–3.1)
1.6 ± 0.2** 
(1.2–2)
14.8 ± 3.7
(10.7–21.8)
11.4 ± 2.4
(6.5–14.9)
10/103.6 ± 1.5
(2–6)
M. booduga Pearl millet9.7 ± 1.5
( 7–12.15 )
2.4 ± 0.8
(1–3.2)
1.8 ± 1.0* 
(0–3.0)
12.6 ± 5.1
(2.7–18.5)
9.6 ± 5.7
(0–17.6)
9/103.4 ± 1.7
(2–6)
Finger millet10.3 ± 1.3
(8.5–12.1)
2.50 ± 0.3
(2–2.9)
2.3 ± 1.0NS
(0.8–3.8)
12.2 ± 1.9
(8.9–14.7)
11.5 ± 5.6
(3.4–22.3)
10/104.4 ± 3.9
(1–11)

Paddy75.4 ± 14.6
(50–101)
8.5 ± 1.5
(6.5–11)
11.4 ± 3.0* 
(5–14)
5.8 ± 1.7
(4.1–9.3)
8.1 ± 3.2
(2.4–13.1)
6/103.6 ± 3.8
(3–11)
R. rattus Pearl millet96.9 ± 9.5
(80–111)
9.7 ± 1.0
(8.5–11.5)
8.2 ± 0.9* 
(7–10)
5.0 ± 0.7
(4.1–6.7)
4.2 ± 0.4
(3.5–5.0)
10/107.3 ± 1.8
(5–11)
Finger millet9.4 ± 1.2
(7.64–11)
9.4 ± 1.2
(7.6–11.2)
7.1 ± 1.0* 
(5.8–8.8)
5.1 ± 0.5
(4.3–5.7)
3.9 ± 0.6
(2.9–4.7)
10/1010.7 ± 2.5
(7–14)

aMean and standard deviation values were obtained from observation of ten animals in each test (numbers in brackets are the range of values).
bThe difference between the poison bait consumption on first and second days is statistically significant (paired “” test). *; **; NS.