Table 6 Serum antibody titer of Layer CC(Commercial chicken) used in the experiment

A farm			B farm			C farm
Age of chickenA	MultinationalELISA kitB	DomesticELISA kitC	Age of chicken	MultinationalELISA kit	DomesticELISA kit	Age of chicken	MultinationalELISA kit	DomesticELISA kit
1 week	5365	11331	1 week	1830	7765	1 week	2868	12496
2 weeks	5143	5587	3 weeks	116	658	4 weeks	172	751
3 weeks	2015	539	17 weeks	7722	12676	5 weeks	1378	7588
5 weeks	1973	8441	22 weeks	6307	12593	14 weeks	9728	12253
8 weeks	8674	13634	28 weeks	6343	10412	21 weeks	7633	11723
15 weeks	3925	11173	39 weeks	5296	10152	31 weeks	5665	11619
20 weeks	5932	11681	46 weeks	6310	10278	38 weeks	6421	12913
22 weeks	8244	12137	53 weeks	4963	11259	43 weeks	6761	10857
27 weeks	3686	7922	60 weeks	5502	12959	51 weeks	5535	11454
35 weeks	10236	14694				64 weeks	7053	12120
38 weeks	6072	12624
48 weeks	5077	10810
53 weeks	6002	12123
49 weeks	6577	10748
64 weeks	7989	12105
70 weeks	8957	12931
85 weeks	10773	12833
91 weeks	6286	10200
D farm			E farm			F farm
Age of chicken	MultinationalELISA kit	DomesticELISA kit	Age of chicken	MultinationalELISA kit	DomesticELISA kit	Age of chicken	MultinationalELISA kit	DomesticELISA kit
1 week	2627	11931	1 week	2564	11442	1 week	1499	6553
2 weeks	2392	6755	2 weeks	2433	6667	3 weeks	93	2820
4 weeks	119	1647	3 weeks	185	1154	5 weeks	1430	10733
9 weeks	5721	10723	12 weeks	9006	13192	7 weeks	3032	10082
15 weeks	4124	9269	20 weeks	5731	12567	12 weeks	4133	10822
22 weeks	4101	7540	39 weeks	5886	11275	13 weeks	3179	10192
31 weeks	10265	16167	45 weeks	6365	10717	18 weeks	3643	11882
37 weeks	4413	10148	49 weeks	4199	8687	25 weeks	4995	9224
43 weeks	7454	12943	62 weeks	6238	10886	30 weeks	7248	10406
						43 weeks	5705	7746