Ascariasis In Poultry: Signs, Causes, Control And Treatment; Ascaridiasp are worms or nematode parasites. They are white and stout and can be as long as 12 cm. they are available globally.  There are different species, like A. galli found in fowl, A. dissimilis found in turkeys, and A. columbae found in pigeons.  Birds get infected via oral route when they ingest the embryonated eggs of the worm.  The embryonated egg has a prepatent period that can extend for up to ten weeks.
The most common species in domestic birds are:
•    Ascaridiagalli in chicken, guinea fowl, geese and turkey
•    Ascaridiadissimilis in turkey mainly
•    Ascaridiacolumbae in pigeon in Africa


Ascariasis In Poultry: Signs, Causes, Control And Treatment
1. Occlusion of thread like worms in intestine


Nature of disease

•    It infects chickens
•    Most susceptible are birds up to 3 months old
•    It significantly affects birds productivity
•     It can cause drop in egg production, high mortality, weight loss, anemia and diarrhea

 

Causes Of Ascariasis In Poultry

•    Ascarridiagalli is mainly found in chickens’ intestine.
•     Ascaridia is the largest of all the roundworms in birds
•    Reusing litters for broilers can lead to serious infection
•    Heavy infection can also be caused by a deficiency of protein, minerals, vitamins A, B, and B12.
•    Earthworms or grasshoppers can be infected by A. galli eggs, which them hatch and infect chickens


Ascariasis In Poultry: Signs, Causes, Control And Treatment
Anaemic

Ascariasis In Poultry: Signs, Causes, Control And Treatment
Reduction in egg production


Clinical symptoms

•    Cause weight loss and poor bodily condition
•    Birds have diarrhea and become anemic
•    Causes hemorrhagic enteritis in heavy infection
•    Increased mortality and loss of blood
•    Birds experience a drop in egg production and have marked emancipation. They also become unthrifty.  


Gross lesions

•    Intestine contains thread like worms
•    Intestine gets obstructed in heavy infection
•     Worms may be present in eggs, and infected eggs can be detected via candling


Control and prevention

•    Piperazine is used for regular deworming or birds
•     Separate the old birds from young ones
•    Litter materials should not be reused
•    You can reduce infection by changing litter
•    Intermediate host can be killed by treating the litter or soil
•    Suitable insecticides should be used in treating litter


Treatment Of Ascariasis In Poultry

The drug of choice for the treatment of ascariasis in poultry is piperazine.  Feed should be included with hygromycin B.  You can add the piperazine to water at about 0.2% or feed at about 0.4%. Piperazine can equally be used as a single treatment maximum, 100mg/ bird.  The drug is, however, not useful in young chickens.  You can use tetramisole in all age groups of chicken; it can have 80 to 100% effectiveness. 




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