| Summary: | Deltamethrin is a type-II pyrethroid insecticide that is widely used in
Indonesia. This insecticide is effective against insects via direact contact and
ingestion. The aim of this research was to determine the effects of deltamethrin on
the body weight and Feed Conversion Ratio of broiler.
The total number of ten broilers was divided into two groups of five.
Group I as a control group, were given standard feed and water. Group II as the
experimental group were given standard feed and water containing 20 mg/L of
deltamethrin. The feed consumption was weighed daily until the 35th day while the
body weight of chickens was weighed weekly until the 5th week. FCR was
calculated by dividing the total feed consumption with the body weight gain. The
body weight gain of each group was analyzed by using Friedman test. Mann-
Whitney test was used in analyzing the difference in body weight gain and FCR
between both groups.
The result showed that the body weight of the control group increased
significantly from 119 ± 2,12g in the first week to 2546 ± 93,70g in the fifth week
(P<0.05). The body weight of experimental group increased significantly from
112.4 ± 4.51g in the first week to 2036 ± 271.07g in the fifth week (P<0.05). The
mean of Feed Conversion Ratio of the control group was 1,69 ± 0,07g, while for
the experimental group was 1,95 ± 0,23g. The result of Mann-Whitney test
showed that there was no significant difference between both groups. Based on
the result, it can be concluded that deltamethrin has no effect on Feed Conversion
Ratio, however, can reduce the weight gain of broilers.
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