Table 1.

Alleles found at each of the seven loci in 164 C. parvum animal isolates and in 14 human isolates (9 C. parvum and 5 C. hominis)

Locus and allele size, bp (allele no.)	No. (%) of isolates (n = 164)	No. of farms (n = 96)	No. of human isolates (n = 14)
			C. parvum	C. hominis
MS1
326 (1)	2 (1.2)	2
350 (2)	51 (31)	34	4
362 (3)	108 (66)	60	5
386 (4)	3 (1.8)	1
374 (5)				5
MS9
396 (1)	1 (0.6)	1
420 (2)	3 (1.8)	1
432 (3)	15 (9.1)	9
438 (4)	22 (13.4)	11	2
444 (5)	13 (7.9)	6
450 (6)	94 (57.3)	68	4
456 (7)	12 (7.3)	11	1
462 (8)	4 (2.4)	3	2
373 (9)				5
TP14
297 (1)	18 (11)	17	1
300 (2)	47 (28.6)	39	3
309 (3)	99 (60.3)	64	4
318 (4)			1
255 (5)				4
261 (6)				1
MM5
218 (1)	1 (0.6)	1	1
224 (2)	7 (4.2)	7
233 (3)	64 (39)	39	2
242 (4)	1 (0.6)	1
260 (5)	90 (54.9)	63	6
275 (6)	1 (0.6)	1
MM18
236 (1)	2 (1.2)	1
242 (2)	24 (14.6)	11	2
248 (3)	31 (18.9)	24	2
260 (4)	1 (0.6)	1
290 (5)	106 (64.6)	72	5
206 (6)				5
MM19
263 (1)	2 (1.2)	1
281 (2)	11 (6.7)	6	1
287 (3)	62 (37.8)	47	1
293 (4)	10 (6.1)	8	3
299 (5)	1 (0.6)	1	1
305 (6)	1 (0.6)	1
317 (7)	11 (6.7)	7
323 (8)	19 (11.6)	13	1
329 (9)	1 (0.6)	1
335 (10)	22 (13.4)	15	1
341 (11)	2 (1.2)	2
353 (12)	7 (4.2)	3	1
365 (13)	6 (3.6)	4
377 (13)	2 (1.2)	1
389 (14)	3 (1.8)	3
395 (15)	2 (1.2)	1
>400 (16)	2 (1.2)	2
233 (17)				4
245 (18)				1
GP15
306 (1)	2 (1.2)	2
315 (2)			1
318 (3)	5 (3)	1
321 (4)	12 (7.3)	9
324 (5)	11 (6.7)	7
330 (6)	97 (59.1)	60	6
333 (7)	1 (0.6)	1
336 (8)	18 (11)	17	1
339 (9)	13 (7.9)	11	1
342 (10)	2 (1.2)	2
345 (11)	1 (0.6)	1
354 (12)	2 (1.2)	1
366 (13)				5