Occurrence of mycotoxins in feed ingredients and complete feeds obtained from the Beijing region of China

Table 1 Occurrence of mycotoxins in feed ingredients and complete swine feeds ^1,2

Item	Total samples, n	Average contents				Content range				Detection rates, %				Percentage of samples over the maximum limits, %^1,2
Item	Total samples, n	AFB, ppb	DON, ppm	ZEA, ppb	OTA, ppb	AFB₁, ppb	DON, ppm	ZEA,ppb	OTA,ppb	AFB₁	DON	ZEA	OTA	AFB₁	DON	ZEA	OTA
Corn	14	5.98	1.01	109	22	<LOQ-58.9	<LOQ-2.13	6.25-321	<LOQ-136	50	93	100	93	7	57	0	7
Bran	13	0.25	0.44	159	8	<LOQ-1.1	<LOQ-0.89	<LOQ-44.4	<LOQ-36	46	92	100	77	0	0	0	0
Soybean meal	11	1	0.05	9	11	<LOQ-10.7	<LOQ-0.21	<LOQ-35.4	<LOQ-42	36	54	54	64	0	0	0	0
DDGS	17	9.83	1.36	883	23	<LOQ-64.1	0.85-1.72	48.89-2958	1.79-89	94	100	100	100	6	88	41	0
Creep feed	7	0.54	0.28	39	5	<LOQ-3.7	<LOQ-0.53	4.7-107	<LOQ -22	57	86	100	100	0	0	0	0
Starter feed	14	0.51	0.85	54	16	0.1-3.9	0.16-2.31	<LOQ-115	<LOQ-84	71	100	100	86	0	14	0	0
Grower feed	14	0.31	0.62	67	12	<LOQ-3.9	0.12-1.14	7.59-132	<LOQ-94	57	100	100	86	0	14	0	0
Grower-finisher feed	18	4.33	0.58	59	13	<LOQ-38.3	<LOQ-1.44	7.1-150	<LOQ-92	67	94	100	94	11	22	0	0
Gestating sow feed	10	0.25	0.82	63	48	<LOQ-1.64	0.13-1.45	9.2-149	<LOQ-212	70	100	100	90	0	10	0	20
Lactation sow feed	13	9.55	0.62	76	15	<LOQ-41.0	0.07-1.52	7.4-231	1.67-92	69	100	100	100	23	23	0	0
Total	76	2.89	0.65	59	18	<LOQ-41.0	<LOQ-2.31	<LOQ-232	<LOQ-212	70	97	100	92	7	14	0	3

¹ Samples exceeding regulatory limits of four mycotoxins: higher than the maximum limits set by the Chinese regulation (Table 2).
² Maximum limit of mycotoxins in other feed ingredients is in accordance with the regulations on mycotoxins in corn.

ISSN: 2049-1891