Table 5 Economic losses from mortality (%) per production cycle grouped by causes
Group of mortality cause | Aetiology | Observed dead chickens ppca | Total sample size ppca | Estimated dead chickens ppca, b | Economic losses (%, 95 CI) |
|---|---|---|---|---|---|
Infectious | |||||
Bacterial and viral diseases | Avibacterium paragallinarum (AP), AIV, Escherichia coli, IB, IBD, Mycoplasma gallisepticum, Ornithobacterium rhinotraceale, | 125 | 546 | 132 (37–318) | 26.7 (7.5–62.0) |
Viral diseases | Avian influenza virus (AIV), infectious bursal disease virus (IBD), Newcastle disease virus (NDV), Infectious bronchitis virus (IB), Marek’s disease virus (MV), Avian poxvirus, Avian reovirus, chicken anaemia virus | 26,118 | 14,962,447 | 3,668,792 (1,856,840-6,388,965) | 25.3 (13.1–43.3) |
Bacterial diseases | AP, Pasteurella multocida, Staphylococcus aureus, E. coli, Salmonella spp., Streptococcus spp., M. gallisepticum | 7,722 | 97,870 | 10,952 (4,453 − 24,477) | 13.9 (7.8–23.5) |
Parasitic diseases | Ascaridia galli, Eimeria spp., Histomonas spp., Trichomonas spp, Raillietina spp., Leucocytozoon spp., Sarcocystiss spp. | 17,535 | 221,934 | 18,864 (12,206 − 28,652) | 8.5 (5.5–12.9) |
Bacterial and parasitic diseases | E.coli and Eimeria spp. | 2,055 | 25,953 | 1,967 (644-5,435) | 7.6 (2.5–21.0) |
Fungal diseases | Aspergillus spp., A. fumigatus | 4 | 314 | 5(1–16) | 1.1 (0.2–4.6) |
Non-infectious | |||||
Predation | - | 3,028 | 27,767 | 2,163 (1,138-3,971) | 7.8 (4.1–14.3) |
Cachexia | - | 12 | 161 | 12 (7–20) | 7.7 (5.9–10.1) |
Weather | - | 19 | 397 | 19 (12–29) | 4.9 (3.7–6.3) |
Injuries | - | 115 | 4091 | 101 (49–221) | 2.6 (1.2–5.6) |