Ayman A. Al-Alhially

University of Mosul

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Hana Kh. Ismail

University of Mosul

Entisar Kh. Al-Hamdany

University of Mosul

Zahra A. Al-Noayme

University of Mosul

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University of Mosul

Poultry Research Institute

Association Marocaine Pour la Recherche Développement

Rumah Sakit Umum Pusat Nasional Dr. Cipto Mangunkusumo

University of Indonesia

Alexandria University

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Investigation of histopathological alteration of paramyxovirus-1 in naturally infected racing pigeons

Al-mağallaẗ al-ʻirāqiyyaẗ li-l-ʻulūm al-bayṭariyyaẗ/Iraqi journal of veterinary sciences (2024)

Ayman A. Al-Alhially Entisar Kh. Al-Hamdany Hana Kh. Ismail

The current study aimed to investigate the infection of racing pigeons with paramyxovirus-1(PMV-1) based on clinical signs of histological and histochemical changes, which increase the mortality rate in flocks called pigeons paramyxovirus. The study samples were collected from 45 birds from different Mosul city regions suffering from neurological signs considered pathological signs of paramyxovirus infection, like tremors, ataxia, leg and wing paralysis, and torticollis. The study collected some organs from birds most affected by infection with paramyxovirus. They include the heart, brain, liver, and kidneys. Grossly, brain lesions represented 66.6%, heart lesions represented 37.7%, liver lesions represented 55.5%, and kidney lesions represented 42.2%, respectively. The histological examination of these organs showed many histological changes represented by degenerative, necrotic, and inflammatory changes in all the tissue studied, in addition to the presence of vascular changes and fibrosis in some sections. In contrast, the section stained with Masson's trichrome showed severe deposition of collagen fibers in liver and heart tissues. The conclusion of the current study represented the histopathological histochemical changes in naturally infected racing pigeons with PMV -1. pigeons are considered a serious victim of the virus, which replicates in all body organs, since it is considered a severe threat and problem to poultry flocks.

10.33899/ijvs.2023.142395.3177

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First analysis of beak and feather disease of psittacine in Nineveh province, Iraq

Al-mağallaẗ al-ʻirāqiyyaẗ li-l-ʻulūm al-bayṭariyyaẗ/Iraqi journal of veterinary sciences (2023)

Ayman A. Al-Alhially

Parrots are susceptible to the viral infection known as Beak and Feather Disease of the Psittacine (PBFD). The causative virus belongs to the Circoviridae family under taxonomic genus Circovirus. In the province of Nineveh, no previous research has found Circovirus in parrots. Therefore, the purpose of this investigation was to ascertain whether the virus is present in parrots. using cytopathology, histopathology, PCR techniques and genetic sequence from feather follicles. The results showed that 47% of the parrot birds were infected with the disease, which showed brittleness of feathers, loss of its weight, feather blade shattering from its follicles, and the cytological and histological diagnosis showed the presence mixed cell inflammation and cytoplasmic inclusion bodies with atrophy of the feather follicles with necrosis and degeneration in the liver cells. Circovirus was detected by PCR with 717 bp. Targeting VP1 capsid genes from 20 positive samples were sequenced and documented in the GenBank-NCBI under accession numbers of OQ925390 and OQ925391. The phylogenetic tree diagram reveals that the sequences of the VP1 capsid gene has identical to 100% genetic match with the strains utilized Poland and Brazil fixed in the Gen Bank.

Circovirus

Histopathology

10.33899/ijvs.2023.141118.3104

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A cytopathological study of the role of liver impression as a diagnostic tool in pigeons

Al-mağallaẗ al-ʻirāqiyyaẗ li-l-ʻulūm al-bayṭariyyaẗ/Iraqi journal of veterinary sciences (2021)

Zahra A. Al-Noayme Ayman A. Al-Alhially

The aim of the current study is to investigate any pathological changes which affect local pigeon liver by using liver impression and providing data base for the results of cytological and morphological features of hepatic impressions of local pigeon also to Study the relation between cellular contents and bacterial profiles at those impressions for that purpose about 20 birds of local pigeon were used in current study. the result showed presence of including heterophil 21.53% monocyte 1.52%, eosinophil 1.04%, basophil 0.01%, macrophage 4.01%. RBC 31.9% and vacuolated hepatocyte 4.94%. We also recorded presence of undifferentiated cells0.19% bacterial infection and parasite infestation of blood protozoa represented by presence of plasmodium parasite inside red blood cell in 4 samples out of 20 samples, G+ Staphylococcus and streptococcus and G- Bacteria coccobacilli as a bacterial. Bacteria including Staphylococci, Streptococci and Coccobacilli were noticed with in different densities between sections, the protozoal parasite as Plasmodium infestation were also detected in 20% of samples We concluded that, the hepatic impression give a diagnostic tool to aim in final diagnosis for inflammatory diseases in pigeons, in addition this impression give a primary idea about bacteria and parasitic infection that can be present in infected pigeons

10.33899/ijvs.2020.127170.1477

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