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The toxicity of cholecalciferol pelleted bait was tested in two species of field rodents: Microtus guentheri and Meriones tristrami. The test animals were offered successive doses of 0.125% cholecalciferol pelleted bait. In M. tristrami, the LD-50 was 16.5 mg a.i. kg-1 body weight, with...
The toxicity of 0.0025% difethialone whole-wheat bait to the field rodents Microtus guentheri and Meriones tristrami was studied in no-choice experiments. The LD50 for M. guentheri was 1.497 mg kg−1 with 95% confidence limits 1.248–1.744 mg kg−1. The log dose-response slope in M....
The LD50 was 40.86 and 32.17mg a.i.kg−1 body weight for M. guentheri and M. tristrami, respectively. The acceptance was 50.7–100% in M. guentheri, and 46.2–100% in M. tristrami. Reduction in the a.i. concentration from 0.25% to 0.125% did not improve the acceptance. The ...
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The approximate LD50 ranges of sodium fluoroacetate are between 0.24 and 0.43 mg kg 1 for M. guentheri , and, perhaps, for the jirds too, and for zinc phosphide鈥攂etween 32.6 and 58.8 mg kg 1 for M. tristrami , and a similar value, more or less, for M. guentheri....
Methyltestosterone (5 mg/day), administered in the diet, partially restored both the gland and the marking behavior. Intact males, but not females, showed an attraction to sebum odors from the scent glands of strange conspecific males. This pattern of hormone control and responsiveness to sebum ...
MG|动画MG|动画 FlashFlash 视频 高清实拍高清实拍 短视频短视频 创意片库创意片库 后期特效后期特效 舞台背景舞台背景 VR360VR360 商用 免费商用 (CC协议)免费商用 (CC协议) 版权商用 (39元/条)版权商用 (39元/条) 3D 通用模型 模型库模型库 C4DC4D ...
MG|动画MG|动画 FlashFlash 视频 高清实拍高清实拍 短视频短视频 创意片库创意片库 后期特效后期特效 舞台背景舞台背景 VR360VR360 商用 免费商用 (CC协议)免费商用 (CC协议) 版权商用 (39元/条)版权商用 (39元/条) 3D 通用模型 模型库模型库 C4DC4D ...