Health Hygiene & Sanitation

Lesson 19 : Rodent Control

Characteristics Of Adult Commensal Rodents

	Rattus rattus (House Rat)	Rattus norvegicus (Sewer Rat)
1. Body	Slim and slender	Heavy Large
2. Muzzle	Long and sharp	Broad and blunt
3. Tail	Longer than the combined length of head and body	Shorter than the combined length of head and body
4. Ears	Large	Small
5. Eyes	Big and prominent	small