Blood cell count in some viral diseases of poultry

The blood count in three viral diseases (Newcastle disease, fowl plague and neural form o Marek's diseases) was study. 1. Ten three-days old chickens and thirty Leghorn white hens were infected with the virus of Newcastle disease. In hens, a decrease in the number of leukocytes, lymphocytes, an...

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Published inFolia veterinaria Vol. 42; no. 4
Main Authors Jantosovic, J, Saly, J, Kozak, M, Kapitancik, B, Magic, D. Jr (University of Veterinary Medicine, Kosice (Slovak Republic))
Format Journal Article
LanguageEnglish
Published 01.12.1998
Subjects
CHICKENS
ENFERMEDAD DE MAREK
ENFERMEDAD DE NEWCASTLE
ERITROCITOS
ERYTHROCYTE
ERYTHROCYTES
GALLINAS
HENS
LEUCOCITOS
LEUCOCYTE
LEUKOCYTES
MALADIE DE MAREK
MALADIE DE NEWCASTLE
MAREK'S DISEASE
NEWCASTLE DISEASE
POLLO
POULET
POULETTE
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Summary:The blood count in three viral diseases (Newcastle disease, fowl plague and neural form o Marek's diseases) was study. 1. Ten three-days old chickens and thirty Leghorn white hens were infected with the virus of Newcastle disease. In hens, a decrease in the number of leukocytes, lymphocytes, and a multiplication of heterophils were recorded. A decrease was also recorded in the values of eosinophils, in the absolute of basophils and monocytes. The number of red blood cells increased. 2. With fowl plague in ten-week-old chickens, besides marked leukopenia, there was an increase in heterophils and a decrease in lymphocytes. The changes were so pronounced that the lymphocyte/heterophil ratio was quite reversed. In addition, a decrease in the other kinds of white blood cells occurred. The number of erythrocytes decreased. The blood count in both diseases studied manifests evident pathological changes, above all in the white blood cells. The changes are so pronounced that they may serve together with other symptoms (especially in the initial period), for the diagnosis of these diseases, and in the differential diagnosis of some bacterial diseases (fowl cholera, tuberculosis), and intoxications with sulfaquinoxaline). 3. In the neural form of Marek`s disease, the higher values of heterophils were found in two groups of chickens eight-week-old and three-month-old in comparison to the healthy individuals. These changes, however, are not typical and cannot be used in the diagnosis of the disease
Bibliography:1999000649
L73
ISSN:0015-5748