Prevalence of antibodies to Leptospira interrogans serovar hardjoin bulk tank milk from unvaccinated irish dairy herds

Table 1 Milk recording organisations participating in a herd survey of anti-leptospiral antibody in bulk tank milk, the target number of herds to be sampled, and the actual number of samples received from each organisation

Milk recording organisation¹					NUMBER OF HERDS
			TARGET					ACTUAL
			Herd size					Herd size
	10-30	31-60	61-99	>100	All herds	10-30	31-60	61-99	>100	Ukn²	All herds
DG	48	35	14	3	100	33	46	12	1		92
PG	46	54	19	6	125	8	54	15	3	8	88
SWS	26	19	8	2	55	13	33	13	1		60
K	26	19	8	2	55	12	30	4	1		47
GV	11	9	4	1	25	5	13	6	1		25
NECBS	20	4	1	0	25	4	19	0	2		25
NCF	8	2	0	0	10	5	3	1	0	1	10
TOTAL	185	142	54	14	395	79	198	52	9	9	347

¹ DG = Dairygold Ltd; PG = Progressive Genetics; SWS = South Western Services; K = Kerry Agribusiness; GV = Golden Vale; NECBS = North Eastern Cattle Breeders Society; NCF = North Connacht Farmers Co-op Society Ltd.
² Ukn - unknown.

ISSN: 2046-0481