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Effect of Biorat against Certain Rodents under Laboratory Conditions
- Asran, A.A.,* Metwally, A.M.,** Esam, A.A.,** Khider, F.K.* and Keshta, T.M.*
- *Plant protection Research Institute, ARC, Dokki, Giza, Egypt
- **Faculty of Agriculture – El-Azhar University. Nasr City, Cairo, Egypt
- The Third International Conference onIPM Role in Integrated Crop management and Impacts on Environment and Agricultural Products. 26-29 November 2005, Giza, Egypt.
Abstract
Technical Biorat (1.25% Salmonella enteritidis and 0.02% hydroxy coumarin) was offered to each of Rattus norvegicus and Mus musculus to evaluate its efficiency against them. The obtained results could be summarized as follow:
A-For the albino Rattus norvegicus : The poisonous bait consumption for males and females was 11.9 gm and 12 gm. The palatability was 46.3% and 47.7% for males and females respectively, Biorat gave complete mortality for females and gave 66.7% for males under non choice test. The average of mortality was (67.2%) for the Rattus norvegicus under choice feeding test. The results cleared that the averages of time to death were (4.0 and 3.7 days) for non choice feeding test and were (4.3 and 5 days) for choice feeding test for males and females respectively.
B-For the albino house mouse Mus musculus:
The average of Biorat consumption was (4.7 gm/day/individual) and was(2.9 gm/day/individual) for the obliged and free feeding system respectively. The palatability for M. musculus males and females was 39.7% and 49.2%. The investigated material gave entirely kill for the males of the tested animals and killed 66.7% of females under non choice test. Meanwhile the average of mortality was 66.7% under choice feeding test. The averages of time to death were 5.7 days and 4.0 days for non choice, whereas for choice test were 4.0 and 8 days for males and females of M. musculus. Also, this work proved that there is a positive correlation between the Biorat bait consumption and body weight reduction in both feeding system for both tested animals, Rattus norvegicus and M .musculus.
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