Survey study of most important diseases which infected the broiler farms in Samarra city

الملخص EN

This study is designed to diagnose the most important diseases affecting the chicken flocks of in the city Samarra, which included (2073) a pathological cases obtained from the flocks scattered in the city during the period from( 9/11/2015 to 15/3/2017), These cases were diagnosed in the poultry laboratory located in the veterinary clinic in Samarra city of the veterinary hospital in Salah al-Din, the results of the study showed the diagnosis of the following cases: Occupied of the Newcastle disease was the highest infection by (819) the cases of ratio (39.5%).

There were also the cases of Gumboro reached (209) cases of infection (10.1%) were recorded.

the case of Salmonellosis was the number (350) were registered by percentage (16.9%), as well as diagnosed cases of Air sacculitis (248) the cases of the ratio (12%).

With regard to the internal parasites, the number of pathological cases was (237) the case of ratio (11.4%) The number of cases of the Nematodes ( Ascaridia galli) (66), (Heterakis gallinarum) (39),the incidence of the Protozoal parasites Eimeria spp (83), and Cestoda (Raillietina Tetragona) have reached (49).

In addition to what has been mentioned, the study has recorded cases of external parasites, the number of such cases (210) and the proportion of (10.1%),represented the Lice (Cucltogaster heterograbhus) (68), (Menopon gallinae ) (55)the Mite (Dermanyssus gallinae) (39), and the Soft tick, Argas Persicus (48) , cases from the total diagnosed of the pathological cases.

The study concluded that the incidence of viral diseases had the highest ratio of infection, followed by Salmonellosis and Air sacculitis, was also the cases of internal and external parasites infection had been recorded.