If the normal left ovary of a hen is destroyed by infection, the vestigial right organ may develop as a testicle and the hen may develop male characteristics. Neoplasia in the adrenal glands or ovary that result in the production of testosterone could also cause the development of male secondary sexual characteristics (comb and wattles) in affected females.
OTHER TOPICS IN THIS CHAPTER
Disorders of the Reproductive System
Cystic Right Oviduct in Poultry
Defective or Abnormal Eggs in Poultry
Egg-Bound or Impacted Oviducts in Poultry
Egg Peritonitis in Poultry
False Layer (in Poultry)
Hypocalcemia, Sudden Death, Osteoporosis, or Cage Layer Fatigue (in Poultry)
Internal Layer (in Poultry)
Infertility in Poultry
Neoplasia of the Reproductive System in Poultry
Oophoritis and Ovary Regression in Poultry
Prolapse of the Oviduct in Poultry
Salpingitis in Poultry
Sex Reversal in Poultry