Systematic follow-up investigation of NSP seroreactors and in-contact cattle and buffaloes for foot-and-mouth disease virus using probang sampling

Table 3 Sero-reactivity against foot-and-mouth disease virus 3AB3 non-structural protein antigen using indirect ELISA in cattle at an organized farm

S. No.	Tag no.	Age (in months) at the time of first sampling	NSP reactivity during first sampling (PP values^#)	NSP reactivity during resampling (PP values)	ΔNSP values
1.	211 S^*	07	Negative (09.5)	Negative (20.4)	10.9
2.	127 L^±	11	Negative (28.2)	Negative (32.8)	4.6
3.	126 L^±	12	Negative (16.3)	Negative (38.0)	21.7
4.	120 L^±	15	Negative (24.7)	Negative (33.8)	9.1
5.	111 L^±	16	Positive (43.4)	Positive (54.0)	10.6
6.	107 L^±	17	Negative (29.6)	Negative (39.0)	9.4
7.	105 L^±	18	Positive (44.0)	Positive (55.0)	11
8.	117 L^±	18	Negative (11.6)	Negative (20.4)	8.8
9.	99 L^±	18	Negative (13.1)	Negative (25.1)	12
10.	S445^$	11	Positive (56.3)	Positive (43.3)	13
11.	S434^$	14	Positive (53.3)	Positive (45.9)	7.4

^# PP value ≥ 40% was considered positive
^* Animal was primo-vaccinated six days before the second sampling
^±Animals were vaccinated four months before the first sampling and six days before the second sampling
^$Animals were vaccinated two months before the first sampling

ISSN: 1746-6148