TABLE 3.

Distribution of chlamydiosis seroprevalence according to interface and titre.

Interface	No. positive	Titre
		1:16		1:32		1:64		1:128		1:256
		n	%	n	%	n	%	n	%	n	%
Non-interface	17	12	70.6	2	11.8	2	11.8	1	5.9	0	0.0
Porous	43	29	67.4	10	23.3	2	4.7	2	4.7	0	0.0
Non-porous	64	35	54.7	14	21.9	5	7.8	7	10.9	3	4.7
Total	124	76	61.3	26	21.0	9	7.3	10	8.1	3	2.4