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Maternally derived antibodies (MDA) don not protect turkeys against rhinotracheitis (TRT) but high MDA influences upper respiratory tract (URT) immunity stimulation after avian Metapneumovirus (aMPV) vaccination. Humoral immunity can not be considered as an indicator of protection against TRT, but specific antibodies inhibit aMPV replication and alleviate the course of TRT. Scarce reports indicate...
Infectious bronchitis (IB) is a highly contagious, viral disease of chickens that causes damage to the respiratory tract, kidneys, gastrointestinal and reproductive systems, as well as muscles. Despite the worldwide distribution of vaccines against IB, the outbreaks of this disease are recorded frequently. This review paper describes the mechanisms of the immune system response against both infectious...
Samples of tumours collected during necropsies or received from veterinary clinics, as well as biopsies were analysed. The anah sis revealed 2259 tumours, including 1814 (80.30%) cases from dogs, followed by 295 (13.06% ) cases from cats, 79 (3.50%) cases from horses, and 71 (3.14%) cases from exotic animals. Skin and subcutaneous tissue (45% of dogs and 48% of cats), and mammary gland (23% of dogs...
The aim of this study was to investigate pathomorphological changes in the duodenum, jejunum, ileum, and caecum of Japanese quails naturally infected with Eimeria tsunodai. Samples of the intestines were collected from 6-week-old cockerels and hens before laying and from laying quails aged 12, 24, and 48 weeks. The tissue sections were stained with haematoxylin and eosin, PAS method according to McManus,...
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