Table 1 Flock description, signs, mortalities and Salmonella isolation rate from broiler chicken farms in the Kafr El-Sheikh Province Northern Egypt
Flock no. | No. of birds | Age/day | Clinical signs | Mortality, n (%) | Isolation results |
|---|---|---|---|---|---|
1 | 10,000 | 1 | Pasty diarrhea, blindness, lameness and high mortality | 850 (8.5) | S. Enteritidis |
2 | 10,000 | 2 | Inappetence and respiratory manifestation | 110 (1.1) | Negative |
3 | 15,000 | 3 | Pasty diarrhea, conjunctivitis, lowering in body weight and high mortalities | 975 (6.5) | S. Enteritidis |
4 | 15,000 | 4 | Inappetence, ruffling feather and nervous signs | 360 (2.4) | Negative |
5 | 25,000 | 5 | Lowering body rate and respiratory signs | 550 (2.2) | Negative |
6 | 2000 | 7 | Pasty diarrhea, loss of appetite, ruffling feather and high mortalities | 190 (9.5) | S. Typhimurium |
7 | 5000 | 7 | Decreased body weight, diarrhea, dehydration and high mortalities | 415 (8.3) | S. Typhimurium |
8 | 20,000 | 4 | Decreased body weight | 500 (2.5) | Negative |
9 | 10,000 | 6 | Whitish diarrhea, high mortalities, and decreased body weight | 1160 (11.6) | S. Typhimurium |
10 | 12,000 | 7 | Inappetence, diarrhea and lowering body weight | 540 (4.5) | Negative |
11 | 25,000 | 7 | Inability to move and nervous signs | 850 (3.4) | Negative |
12 | 30,000 | 5 | Diarrhea, drop in feed intake and high mortalities | 2610 (8.7) | S. Typhimurium |
13 | 5000 | 4 | Respiratory signs and decreased body weight | 225 (4.5) | Negative |
14 | 30,000 | 3 | Inappetence, lowering growth rate | 840 (2.8) | Negative |
15 | 15,000 | 6 | Whitish diarrhea, conjunctivitis and decreased body weight | 945 (6.3) | S. Typhimurium |
16 | 10,000 | 4 | Diarrhea and decrease in body weight and respiratory signs | 350 (3.5) | Negative |
17 | 10,000 | 5 | Inappetence, mortalities, lameness and diarrhea | 550 (5.5) | S. Typhimurium |
18 | 20,000 | 6 | Decreased body weight and respiratory signs | 640 (3.2) | Negative |
19 | 12,000 | 5 | Diarrhea, blindness and high mortality | 648 (5.4) | S. Typhimurium |
20 | 10,000 | 5 | Respiratory and nervous signs | 420 (4.2) | Negative |
21 | 15,000 | 33 | Inappetence and respiratory manifestation | 375 (2.5) | S. Typhimurium |
22 | 20,000 | 32 | Decreased body weight | 280 (1.4) | Negative |
23 | 30,000 | 33 | Mortalities | 660 (2.2) | Negative |
24 | 25,000 | 29 | Nervous signs | 625 (2.5) | Negative |
25 | 15,000 | 34 | Decreased body weight | 345 (2.3) | S. Typhimurium |
26 | 20,000 | 29 | Decreased body weight | 460 (2.3) | Negative |
27 | 30,000 | 30 | Decreased body weight | 780 (2.6) | Negative |
28 | 10,000 | 31 | Respiratory signs and high mortality | 330 (3.3) | S. Typhimurium |
29 | 5000 | 28 | Respiratory signs and mortalities | 165 (3.3) | Negative |
30 | 15,000 | 33 | Inappetence and mortalities | 480 (3.2) | Negative |
31 | 20,000 | 33 | Respiratory signs and high mortality | 600 (3.0) | S. Typhimurium |
32 | 20,000 | 32 | Inappetence and respiratory manifestation | 700 (3.5) | S. Typhimurium |
33 | 10,000 | 28 | Mortalities | 200 (2.0) | Negative |
34 | 20,000 | 29 | Mortalities | 480 (2.4) | Non typable Salmonella (three isolates) |
35 | 10,000 | 33 | Respiratory signs and mortalities | 290 (2.9) | S. Typhimurium |
36 | 5000 | 33 | Lower body weight and respiratory signs | 135 (2.7) | Negative |
37 | 15,000 | 32 | Nervous signs | 345 (2.3) | Negative |
38 | 20,000 | 33 | Inappetence and mortalities | 540 (2.7) | Negative |
39 | 10,000 | 31 | Respiratory signs and mortalities | 320 (3.2) | S. Enteritidis |
40 | 5000 | 29 | Nervous manifestations and inappetence | 140 (2.8) | Negative |
41 | 25,000 | 35 | Opisthosomas and ruffled feather | 825 (3.3) | Negative |