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IB Infectious Bronchitis
Incross The term given to mating inbred lines of birds from different breeds.
Incubator An incubator is an enclosure having controlled temperature, humidity, and ventilation.
To help your incubator maintain a constant temperature, place it where it will receive as little temperature fluctuation as possible. Do not place it near a window where it will be exposed to direct sunlight.
Maintain the incubator temperature in the 99-102° F. range
The moisture level in the incubator should be about 50 to 55 percent relative humidity, with an increase to about 65 percent for the last 3 days of incubation.
Moisture is provided by a pan of water under the egg tray. The water surface should be at least half as large as the surface of the egg tray. Add warm water to the pan as necessary.
The eggs should be placed into the incubator on their sides. Turn them at least 3 times a day, except for the last 3 days when they don't need turning.
Infectious Bronchitis (IB) Infectious Bronchitis (or IB) is a common viral disease.
Infected birds shed the virus through respiratory secretions and feces. (This viral disease affects chickens only.)
Signs: As with Newcastle disease, little or no death loss is common, except in very young chicks.
However, if sexually immature birds become infected, they may experience permanent damage to their reproductive tract and never lay eggs.
Mature layers infected with Infectious Bronchitis will lay eggs with misshapen, soft, wrinkled shells for several weeks.
Broiler chickens will show poor weight gain and may develop secondary bacterial infections. Infected birds usually cough, because of excessive mucus in their trachea.
This disease spreads rapidly through the entire flock. In uncomplicated cases, the flock recovers quickly.
Treatment and Prevention: There is no effective treatment. Prevention is by vaccination.
Another action you can take is to provide supplementary heat if the weather is cold. Cold stress is a major factor in the birds’ ability to recover from IB.
If weather permits and cold stress would not occur as a result, then a complete air exchange of the coop with fresh air once a day during infection would be beneficial to keep the viral count down in the air.
IB is found worldwide but in varying strains with more emerging all of the time. This is why vaccination is not always effective.
Infectious Bursal Acute contagious viral immunosuppressive disease of young chickens characterized by mild respiratory symptoms, white watery droppings, severe depression, vent picking and inflammation.
Infectious Coryza An acute to chronic infectious respiratory disease of chickens, pheasants and guineas caused by a bacterium. Chickens 14 weeks of age and older are most susceptible and it increases with age.
Characterised by conjunctivitis; catarrhal inflammation of the mucous membrane of the upper respiratory tract (nostrils, sinuses, and upper windpipe); sneezing, swelling of the face and reduced egg production in hens.
Transmission is bird to bird within a flock. Recovered birds remain carriers. Within an outbreak flock, contaminated feed and or water is probably the mode of spread.
Clinical signs are swelling and puffiness around the face and wattles, thick stick discharge from the nostril (and a very offensive odor!), laboured breathing, and rales are the common clinical signs.
There is a drop off in in feed and water consumption as well as egg production. The birds may have diarrhea and growing birds become stunted. Illness persists for several weeks.
Treatment is usually sulfadimethoxine (Albon). If Albon fails or is not available, sulfamethazine, sulfamerazine or erythroymcin (Gallimycin) can be used as alternate treatments.
If you have an outbreak, segregate birds by age and dispose of dead bird by incineration. All replacement birds on a
Infectious Laryngotracheitis (ILT) This viral infection of poultry typically affects chickens only, although occasional reports suggest pheasants also may be susceptible.
The virus usually is spread through bird-to-bird contact, or contact with contaminated droppings or respiratory tract secretions. Recovered birds may be carriers and shedders of the virus, and may spread to other poultry
Sudden death of an individual bird is often the first sign. Blood-stained feathers around the head and neck may be observed. The disease spreads slowly through a flock, and mortality is high.
Once the disease is diagnosed, there is no treatment for affected birds. Fortunately, an effective vaccine can be administered.
Vaccination can prevent infection in uninfected birds during an outbreak, and can be given to prevent the disease in new stock.
Diagnosis usually is made by microscopic examination of the trachea by a veterinary pathologist.
Infertile An egg that is not fertilised, will not hatch.
Infundibulum The funnel end of the oviduct that picks up the yolk when it is released from the ovary; the area in which fertilization of the true egg takes place; also called funnel.
Internal Parasites There are six different worm types inhabiting different parts of the hen, most of them in various areas of the intestine.
Hens get an immunity to worms eventually but stress (for example, caused by moving to a new environment) can disturb the hen's immune system and the worms then breed wildly and affect the health of the hen.
The easiest preparation which controls all types and stages of parasitic worms is 'Flubenvet' which is a powder you add to the feed.
Worm your regular stock at least once a year by providing a mix of Flubenvet in their feed over a 7-day period. This will have the affect of killing off all known internal parasites.
Tablet wormers given to individual birds are also effective. Some people have had success using garlic, but usually as a preventative rather than cure.
Chicks can get worms if they eat worm eggs from contaminated ground.
Iris Coloured part of the eye.
Isthmus The section of the oviduct next to the magnum where the water and mineral salts are deposited and the inner and outer shell membranes are formed.
Ivomec Can be used to control lice and mite parasites.
If Ivomec is used for external parasites, then this will control internal ones as well.

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