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- Avian Encephalomyelitis – Symptoms of this chicken illness loss of coordination, inability to stand, head shaking and other neurological issues
- Botulism – Symptoms of this chicken illness can include paralysis of limbs and neck, tremors, torticollis
- Egg Yolk Peritonitis – Symptoms of this chicken illness can include paralysis/partial paralysis
- Encephalomalacia – Neurological symptoms of this chicken illness can include loss of balance, circling, head shaking or tremors, eventually convulsions, and paralysis
- Lymphoid Leukosis – Neurological symptoms of this chicken illness can include leg paralysis and blindness
- Marek’s Disease – Neurological symptoms of this chicken illness can include paralysis/partial paralysis (particularly of the legs), ataxia, blindness
- Mycotoxicosis – Neurological symptoms of this chicken illness can include paralysis/partial paralysis, ataxis
- Newcastle disease (either the domestic or the exotic variety) – Neurological symptoms of this chicken illness can include paralysis/partial paralysis of limbs, head twisting, walking in circles, walking backwards, clumsiness, tremors
- Nutritional Myopathy – Symptoms of this chicken illness can include clumsiness/weakness due to muscle deterioration
- Polyneuritis – Neurological symptoms of this chicken illness can include head shaking, tremors, convulsions, “star gazing” (paralysis of neck muscles)
- Perosis – Symptoms of this chicken illness can include physical leg problems can be confused with neurological leg problems
- Spraddle leg – Symptoms of this chicken illness can include physical leg weakness may be mistaken for neurological leg problems
- VVD – Symptoms of this chicken illness can include physical leg deformity can be confused with neurological leg problems