-The Poultry Doctor

This is not at all an uncommon complaint, and it causes considerable losses, being also on the difficulties sometimes classed as Roup. With pigeons it often occurs during moulting, and is contagious, and sometimes plays havoc in the pigeon roost. Pigeons suffering from coryza keep their bills open, and a yellow-looking mucus may be seen in the nostrils; the mouth also looks yellow. If the disease is noticed in time, remove the infected bird, but if a number are affected, it is better to treat the whole lot. Mercurius viv. will generally cure; a dozen pellets dissolved in clean drinking water, or the water used in mixing soft food. Continue until cured, or if no improvement is noticeable in a few days, change the remedy to Acidum sulph., in same way.

In hens, coryza is generally caused by catching cold in continuous wet weather, or by very sudden changes in the weather. It is characterized by an increased discharge from the nostrils and sneezing. At times it is epidemic. Arsenicum will usually give prompt relief. A dozen or more pellets dissolved in the drinking water, or in half a tumbler of water, and then this mixed with meal or used to moisten bread. Arsenicum failing, give Mercurius viv. Should the discharge thicken and the eyes seem affected, give, in same manner, Euphrasia. Should the coryza occur from dry, cold winds, Aconite is the remedy.

Coryza poultry bird

Coryza is particularly dangerous with turkeys. The turkey seems uneasy, trembles, an acrid, slimy discharge comes from the nostrils and the eyes grow dim. If possible, separate the sick turkey from the well ones, and administer to it Acidum sulph. or Mercurius viv. As with pigeons, the disease seems to attack the turkeys during moulting time.
H. Fisher, V.S. of Berlin, reports the complete and satisfactory cure of a valuable parrot who was suffering from a bad coryza or catarrh. The bird ate little and breathed with a rasping sound, and was evidently suffering from a bad cold. Dulcamara and Hepar sulph., in alternation twice a day soon removed the trouble.

Hepar sulphur is the best remedy when there has been partial relief from other remedies but not complete cure.
Gelsemium is an excellent remedy for catarrh incurred during warm, moist, relaxing weather.
Catarrh or coryza in fowls must be distinguished from roup, as a common bad “cold” is distinguished from croup or diphtheria in human beings. The discharge from the nostrils of fowls in catarrh is thinner and not offensive, and is accompanied with sneezing and coughing, while in roup the discharge is thick and very offensive. Cold, catarrh, coryza, roup and pip are all more or less related to each other.

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