Pathology and Epidemiology of Fungal Infections in Layer Chicken Flocks

Table 1

Mortalities and egg productions in layer chicken flocks with and without fungal infection in the Kafrelsheikh Province, Northern Egypt.

Flock no.	No. of birds	Age/week	Number of deaths	Mortality (%)	Egg%	Egg number	Aetiology
1	9500	58	320	3.37	66.683	6335	A. flavus AMS2 and 3 strains
2	8300	60	404	4.87	63.019	5230	A. Pipers AMS1 strain
3	7000	61	334	4.77	64.33	4503	Fusarium spp.
4	1000	61	6	0.6	75.3	753	Nutritional
5	2000	61	4	0.2	72.65	1453	Nutritional
6	6000	61	80	1.33	53.33	3200	Infectious coryza
7	3500	60	48	1.37	64.29	2250	Infectious coryza
8	2000	55	45	2.25	57.5	1150	Egg drop syndrome
9	6000	60	22	0.37	72.5	4350	Nutritional
10	12000	61	820	6.83	63.58	7630	ILT
11	25000	61	12	0.05	80.92	20230	Normal
12	30000	62	27	0.09	82.33	24700	Normal
13	5000	59	160	3.2	59.04	2952	Colibacillosis
14	3000	57	923	30.77	51.13	1534	IB
15	15000	61	4500	30	63.33	9500	Viral (IB)
16	10000	61	15	0.15	76.2	7620	Normal
17	10000	61	30	0.3	70	7000	Nutritional
18	20000	62	420	2.1	65.33	13065	Bacterial (colibacillosis)
19	12000	59	4020	33.5	62.08	7450	Viral (IB)
20	10000	59	50	0.5	78.2	7820	Normal