Feedback (Rodent control)

Rattus norvegicus has longer tail length than body weight, while rattus rattus has thick and small ear ?

• True

• False

Example of inorganic quick acting rodenticide is

Death of rodents by red squill powder is mainly due to .......

Zinc phosphate acts as rodenticide through:

NOTE: MORE THAN ONE ANSWER MAY BE CORRECT

• Inhibit blood coagulation

• Pulmonary Edema

• convulsions

• Heart failure

α-Naphthylthiourea is more effective on:

• Mus musculus

• Rattus norvigicus

• Rattus rattus

• Arvicanthus niloticus

Main disadvantages of α-Naphthylthiourea are that they are toxic to human and give Fluorescence at night

• True

• False

Examples of chemical sterilants are:

• Warfarin

• Hexestrol

• Sulpher compounds

• Mestranol

Red squill powder acts as rodenticide through the followings except

• paralysis

• heart failure

• convulsions

• pulmonary edema

Action of warfarin takes several days, while red squill powder takes 2 hours

• True

• False

The main disadvantage of red squill powder is:

• Toxic for humans due to production of phosphine gas

• Cumulative effect as rodenticide

• Give fluorescence at night

• No correct answer