Research Article
Efficacy of Germinated Cereals as Bait Carrier for Zinc Phosphide and Bromadiolone against Field and Commensal Rodent Pests: A Laboratory Evaluation
Table 1
Mortality of four rodent species after feeding on zinc phosphide (1.5%–2%) baits of germinated cereals in no-choice tests.
| | Species | Conc.
(% a.i. in bait) | Bait
(germinated form) | Body weight (g)
mean ± SDa | Poison consumption
(g/100 g body wt.)
mean ± SDa | Mortality | Hours to death
mean ± SDa |
| | | 2% | Paddy | 104.5 ± 14.2
(88–135) | 4.54 ± 0.44
(2.56–5.31) | 10/10 | 11.8 ± 3.9
(6–18) | | B. bengalensis | 2% | Pearl millet | 150.9 ± 28.6
(114–196) | 1.84 ± 0.40
(1.12–2.79) | 10/10 | 4.0 ± 0.5
(3.5–5) | | | 2% | Finger millet | 115.6 ± 37.3
(73–165) | 1.94 ± 0.63
(1.21–2.8) | 10/10 | 3.2 ± 0.6
(2.5–4.5) |
| | | 1.5% | Paddy | 39.7 ± 8.6
(33–60) | 5.47 ± 2.48
(3.74–12.0) | 10/10 | 9.1 ± 4.0
(4–17) | | M. meltada | 1.5% | Pearl millet | 44.5 ± 7.3
(35–55) | 1.6 ± 0.5
(0.4–2.5) | 10/10 | 6.4 ± 1.9
(5–11) | | | 1.5% | Finger millet | 43.9 ± 5.9
(35–52) | 1.4 ± 0.6
(0.6–2.2) | 10/10 | 6.8 ± 2.3
(4–12) |
| | | 1.5% | Paddy | 7.3 ± 0.6
(6.7–8.5) | 14.31 ± 3.77
(9.28–24.1) | 9/10 | 7.6 ± 3.7
(0–14) | | M. booduga | 1.5% | Pearl millet | 7.1 ± 0.4
(6.7–7.8) | 1.9 ± 0.7
(0.5–2.7) | 10/10 | 5.20 ± 1.2
(3.5–7) | | | 1.5% | Finger millet | 8.5 ± 0.4
(7.8–9) | 5.08 ± 4.47
(1.66–14.37) | 10/10 | 4.6 ± 1.0
(3.5–6) |
| | | 2% | Paddy | 94.2 ± 16.1
(58–112) | 6.16 ± 2.20
(4.25–9.79) | 10/10 | 7.6 ± 3.1
(4–12) | | R. rattus | 2% | Pearl millet | 89.9 ± 16.6
(65–114) | 3 ± 1.0
(1.9–5.5) | 10/10 | 5.1 ± 1.2
(4–8) | | | 2% | Finger millet | 98 ± 11.9
(75–112) | 1.9 ± 0.8
(0.30–3.9) | 9/10 | 7 ± 2.8
(6–11) |
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aMean and standard deviation values were obtained from observation of ten animals in each test (numbers in brackets are the range values).
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