نتایج جستجو برای: rodent control
تعداد نتایج: 1352585 فیلتر نتایج به سال:
...................................................................................................................................... I Acknowledgments ..................................................................................................................... II Nomenclature .................................................................................................................
Eighteen species of rodents are pests in agriculture, horticulture, forestry, animal and human dwellings and rural and urban storage facilities in India. Their habitat, distribution, abundance and economic significance varies in different crops, seasons and geographical regions of the country. Of these, Bandicota bengalensis is the most predominant and widespread pest of agriculture in wet and ...
A brief survey is presented of current knowledge on olfaction in rodents and the various roles that odors may play in modifying rodent behavior. Some species at least uti lize olfactory cues: to locate food items; to recognize their mother and mates; to mark territory; as an involuntary population density regulator; possibly to recognize predators; as a warning cue against a repellent or toxic ...
Rodent pest problems and their control in China are reviewed. Three commensal species, Rattus norvegicus, R. flavipectus and Mus musculus, are important pests both in urban and rural regions. Mus musculus is the most widely distributed species in China. Its population density is cyclic, unique for a commensal species in being found in the arid Xinjiang (Sinkiang) Autonomous Region in Northwest ...
B, 'EFORE THE WAR our three most useful rodent poisons were imported. Red squill came from the Mediterranean Sea area. Strychnine came from India and French Indochina. Thallium sulfate came from Germany, France, and Belgium. Hostilities cut off almost all those sources at the time that the armed forces were planning and executing the Pacific campaigns that sent our troops into areas where many ...
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