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Pest-and Disease -damaged: Newcastle disease is a highly infectious respiratory disease caused by a virus. It is also known as avian pneumoencephalitis and fowl pest. Both young and adult chickens are affected.
These need little pruning other than shaping when young and the removal of branches that cross the plant's center creating congestion and reducing the maturing and ripening influence of the sun. Always cut out pest-and disease -damaged disease-damaged shoots; if left, they encourage the decay to infect and damage other parts.
Prune winter-flowering deciduous shrubs as soon as their display is over This gives shrubs the maximum amount of time in which to produce new shoots and for them to ripen before the onset of cold weather in the following fall or early winter It is easier to control the size of winter-flowering shrubs than any other type.
Mycoplasmosis is a respiratory disease caused y the bacteria Mycoplasma gallisepticum. It is Iso known as air sac disease or chronic respira-jry disease. Those affected with the disease may how nasal discharge, watery eyes, and respira-)ry difficulty. This disease is often associated /ith other respiratory diseases. It is transmitted hiefly from infected hens to their chicks through le eggs. The disease can also be transmitted by ontact with infected individuals, but it spreads ery slowly in this manner. The disease can best e controlled by maintaining breeding flocks free f the disease by strict measures of isolation and mitation. Chicks hatched from such flocks can egin life free of the disease. |
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