Effect of Different Natural and Chemical Ingredients as Repellents of Pigs
Effect of Different Natural and Chemical Ingredients as Repellents of Pigs
Shad Mahfuz1,2†, Hong-Seok Mun1,3†, Veasna Chem1, Keiven Mark B Ampode1,4, Muhammad Ammar Dilawar1,5, Hae-Rang Park1, Il-Byung Chung1, Young-Hwa Kim6, Chul-Ju Yang1,5*
ABSTRACT
The damage of crops by the wild pigs is an economic issue for agricultural sector. Therefore, it is necessary to identify the effective repellent for pigs. For this test, 6 pigs (Avg. wt. 66.03± 3.99 kg) were housed in an individual pen containing repellent and without repellent feeder. In this current study, a total six (6) ingredients (capsaicin, red chili, ground garlic, dead insects, denatonium benzoate, and thiophanate-methyl) were used as repellents. The repellent ingredients were used to hang over the feeders. Among the tested natural and chemical ingredients as a repellent, the average number of feeding approaches in repellent feeder was significantly lower (P < 0.05) in bitrex chemical (denatonium benzoate) and thiophanate-methyl chemical. No differences were noted in the number of feeding approach among the natural repellent, capsaicin, red chili, ground garlic, and dead insects (Riptortus clavatus). Moreover, there were no significant differences (P > 0.05) on the number of feeding approaches in the non-repellent feeder. The significant differences (P < 0.05) on feed intake were recorded in the repellent feeder. The lowest value was recorded in case of thiophanate-methyl repellent feeder (P < 0.05). A significant lower (P < 0.05) feed intake was noted in bitrex repellent feeder than the natural repellent ingredients (capsaicin and ground garlic and dead insects). However, as expected, no significant differences were noted on pig’s feed intake in non-repellent feeders. Considering, the lower number of feeding approach and the lower feed intake in bitrex and thiophanate-methyl chemical as a repellent, we suggest performing further research with bitrex and thiophanate-methyl chemicals as repellent for pigs.
Keywords | Pigs, Repellent, Feed approaching number, Feed intake
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