A Targeted Survey for Scrapie in Jos Plateau State, Nigeria

Table 1

Results of clinical examination and laboratory testing of emergency/casualty slaughter sheep for scrapiefrom Jos, Nigeria.

	Number of sheep per breed and sex								Total
	Yankasa		Uda		West African dwarf		Balami
	Male	Female	Male	Female	Male	Female	Male	Female
Clinical examination	250	20	117	13	59	19	17	15	510
Changes in mental status, behaviour and activity
Self-Isolation									0
Disobeys herdsman’s calls									0
Flighty on approach									0
Hyperalert	5								5
Increased response to external stimuli									0
Somnolent/dull/vacant gaze/lowered head	50	15	11	8	45	11	8	10	150
Often lies down	16	3	10	2	7	18	11	2	69
Reduced social interaction	50	15	11	8	45	11	8	10	150
Frequent teeth grinding									0
Loss of appetite	33	17	11	6	40	11	5	7	130
Pruritic activities
Increased grooming behaviour									0
Rubs on objects frequently									0
Licking/smacking of mouth									0
Nibble reflex response									0
Rapid tongue extrusion									0
Poor response to scratch test
Body discolouration									0
Postural changes
Lowered hind with flexed limbs									0
Gait changes
Ataxia/discordant movement									0
Involuntary movements
Head tremors									0
Seizures									nil
Weight loss
Weight loss	57	18	51	12	45	10	15	13	221
Clinically suspicious									0