Table 2.

Prevalence of IBR, BVD, PI3, neosporosis, and leptospirosis by the age group and the breed in cattle in Chiquinquirá, Boyacá.

Disease	Category	No of animals tested	Positive	Seropositive (%)
Age group
IBR (BoHV-1)	<1 year	106	54	50.9
	1–4 years	183	98	53.6
	>4 years	312	215	68.9
BVD	<1 year	106	19	17.9
	1–4 years	183	49	26.8
	>4 years	312	158	50.6
PI3	<1 year	106	43	40.6
	1–4 years	183	80	43.7
	>4 years	312	123	39.4
Neosporosis	<1 year	106	51	48.1
	1–4 years	183	101	55.2
	>4 years	312	155	49.7
Leptospirosis	<1 year	106	11	10.4
	1–4 years	183	32	17.5
	>4 years	312	46	14.7
Breed
IBR (BoHV-1)	Holstein	427	282	66.0
	Jersey	60	29	48.3
	Normande	114	54	47.4
BVD	Holstein	427	160	37.5
	Jersey	60	22	36.7
	Normande	114	44	38.6
PI3	Holstein	427	179	41.9
	Jersey	60	20	33.3
	Normande	114	47	41.2
Neosporosis	Holstein	427	211	49.4
	Jersey	60	35	58.3
	Normande	114	61	53.5
Leptospirosis	Holstein	427	71	16.6
	Jersey	60	7	11.7
	Normande	114	21	18.4