Magnitude of Aflatoxigenic Aspergillus Species, Level of Aflatoxin B1, and Associated Factors in Stored Feed at Poultry Farms in Dire Dawa, Ethiopia

Table 4

Magnitudes of aflatoxigenic Aspergillus species among the study variables in poultry feed at Dire Dawa, from November 2019 to January 2020.

Variables	Category	Aflatoxigenic Aspergillus species		Total	Magnitude (%) (95% CI)
		Yes	No
Feed storage period	<1 month	61	44	105	58.1 (48.1–67.7)
	1-2 month	108	36	144	75.0 (67.1–81.8)
	>2 month	102	23	125	81.6 (73.7–88.0)
Feed source	Home mixed	157	66	223	70.4 (64.0–76.3)
	Commercially formulated	114	37	151	75.5 (67.8–82.1)
Room aeration	Yes	81	46	127	63.8 (54.8–72.1)
	No	190	57	247	76.9 (71.2–82.0)
Presence of rodent	Yes	220	57	277	79.4 (74.2–84.0)
In the store	No	51	46	97	52.6 (42.2–62.8)
Feed ingredients	Maize	66	18	84	78.6 (68.3–86.8)
	Bone and blood meal	18	12	30	60 (40.6–77.3)
	Soya bean	29	10	39	74.4 (57.9–87.0)
	Wheat bran	16	29	45	35.6 (21.9–51.2)
	Nug cake	17	6	23	73.9 (51.6–89.8)
	Mixed feed	125	28	153	81.7 (74.6–87.5)
Moisture content	Low (<10%)	36	67	103	35 (25.8–45.0)
	Medium (10–14%)	146	29	175	83.4(77.1–88.6)
	High (>14%)	89	7	96	92.7 (85.6–97.0)