Competitive and Territorial Fighting: Two Types of Offense in the Rat

Table 3. Effect of Food Deprivation on Competitive and Territorial Fighting

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	Competitive Fighting				Territorial Fighting
	Bite	Bite & Kick	OSP†	Attack‡	Bite	Bite & Kick	OSP†	Attack‡
No deprivation	0.13	0.03	0.13	0.16	1.37	1.63	2.17	3.00
12-h deprivation	0.43	0.50	1.13	0.93	1.03	0.77	1.30	1.80
24-h deprivation	0.63	0.50	0.87	1.13	0.33	0.43	1.10	0.76
36-h deprivation	0.87	0.70	1.53	1.57	0.60	0.40	0.87	1.00

Notes: All data are frequency of motor patterns per 20-min test.
† OSP = offensive sideways posture
‡ Attack was calculated as the sum of bite and bite-and-kick.