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Journal articles on the topic 'Proventriculus'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

LI, XIAOQIANG, BINGZHONG REN, YUTING ZOU, JIAN ZHANG, and YINLIANG WANG. "The study of proventricular micromorphological characterization of ten Grylloidea species (Orthoptera: Grylloidea) from China." Zootaxa 2906, no. 1 (2011): 52. http://dx.doi.org/10.11646/zootaxa.2906.1.3.

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The present study compares the proventricular morphology, analyzed under optic microscope and scanning electron microscopy (SEM), among ten Grylloidea species. The result showed that the size of proventriculus was of critical value. Internally, the main differences were the number of sclerotized appendix (sa), middle denticles (md) and lateral denticles (ld), and the structure of lateral teeth (lt). In addition, we analyzed the crickets’ feeding habits and note that the the proventriculus possesses highly sclerotized projections which act in the selection of victuals. The morphology of provent

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2

Hellebuyck, T., L. Geerinckx, J. Simard, M. Verlinden, and A. Van Caelenberg. "An atypical case of proventricular dilatation in a Red-and-green Macaw (Ara chloropterus)." Vlaams Diergeneeskundig Tijdschrift 88, no. 6 (2019): 316–19. http://dx.doi.org/10.21825/vdt.v88i6.15989.

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A Red-and-green Macaw (Ara chloropterus) was presented with regurgitation and passage of undigested seeds in the feces. Radiographic examination revealed dilatation of the proventriculus. Contrast radiography was performed and revealed that the proventricular dilatation and associated clinical signs resulted from circumferential thickening of the proventricular wall leading to severe narrowing of the lumen of the proventriculus. Testing for parrot bornavirus (PaBV) was negative. After the initiation of antimicrobial treatment because of suspected bacterial overgrowth, all clinical signs resolv

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3

Ruiz-González, Mario X. "Abnormal Proventriculus in Bumble Bee Males." Diversity 14, no. 9 (2022): 775. http://dx.doi.org/10.3390/d14090775.

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Females social insects are widely investigated, while males are often neglected. Previous work on the morphology of the bumble bee male alimentary tract has described the presence of swollen proventriculi as a character with taxonomic value. New observations suggest that the abnormal proventriculus might be an abnormal condition. Here, I identify a potential health issue in bumble bee (Hymenoptera: Apidae: Bombus) male alimentary tracts that consists of a swollen and strongly melanized proventriculus, thereby preventing the normal passage of food through the esophageal valve. Males from three

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4

Sewoyo, Palagan Senopati, I. Putu Cahyadi Putra, and Willy Morris Nainggolan. "Pathology of proventricular tetrameriasis in a free-range chicken." ARSHI Veterinary Letters 8, no. 3 (2024): 47–48. http://dx.doi.org/10.29244/avl.8.3.47-48.

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This case report aimed to investigate the aetiology of proventricular lesions and associated clinical symptoms in local free-range chickens suspected of having proventricular tetrameriasis. Proventricular tetrameriasis is a poultry disease caused by the nematode Tetrameres sp. In this case, 15 local free-range chickens, approximately eight months old, from Gianyar, Bali, Indonesia, exhibited symptoms of anorexia and greenish diarrhoea, resulting in the death of three chickens. One of the deceased chickens underwent thorough examinations, including anatomical pathology (PA), histopathology (HP)

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Al- Kinany, Marwa Jamal. "Streptopelia senegalensis and White-breasted Kingfisher, Halcyon smyrnensis." University of Thi-Qar Journal of Science 4, no. 2 (2014): 15–22. http://dx.doi.org/10.32792/utq/utjsci/v4i2.589.

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The aim of the current work was to study the histological structures of glandular stomach, the proventriculus andcompare it in two types of Iraqi wild birds according to differences in diets. The birds are, Laughing dove, Streptopelia senegalensis which comprised the grainivorous bird and white breasted Kingfisher Halcyon smyrnensis which comprised the carnivorous bird. The results exhibited that the wall of the stomach (proventriculus) of two birds consists of the four layers of typical tubular organ: tunica mucosa, submucosa, muscularis and serosa. The tunica mucosa of two birds consisted of

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6

Araujo, Jeann Leal de, Thierry Grima de Cristo, Raissa Moreira de Morais, et al. "Proventricular dilatation disease (PDD) outbreak in blue-and-gold macaws (Ara ararauna) in the State of Santa Catarina, southern Brazil." Pesquisa Veterinária Brasileira 37, no. 11 (2017): 1331–35. http://dx.doi.org/10.1590/s0100-736x2017001100022.

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ABSTRACT: Proventricular dilatation disease (PDD) is a lethal and important disease of captive psittacine birds, and affects a wide range of species, including endangered ones, and lacks an effective treatment. This report describes PDD in three blue-and-gold macaws (Ara ararauna) in southern Brazil. All three macaws originated from the same aviary and presented similar clinical signs including anorexia, apathy, emaciation and prostration. At necropsy, one of the macaws presented an enlarged proventriculus. Histologically, lymphoplasmacytic infiltrates was observed in the ganglia and nerves of

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7

Narita, T., K. Saitoh, T. Kameda, et al. "BMPs are necessary for stomach gland formation in the chicken embryo: a study using virally induced BMP-2 and Noggin expression." Development 127, no. 5 (2000): 981–88. http://dx.doi.org/10.1242/dev.127.5.981.

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Epithelial-mesenchymal interactions are necessary for the normal development of various digestive organs. In chicken proventriculus (glandular stomach), morphogenesis and differentiation of the epithelium depend upon the inductive signals coming from underlying mesenchyme. However, the nature of such signals is still unclear despite extensive analyses carried out using experimental tissue recombinations. In this study we have examined the possible involvement of bone morphogenetic proteins (BMPs) in the formation of stomach glands in the chicken embryo. Analysis of the expression patterns of B

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8

Abdul-Mughni, Aref, Walaa Abdelwahab, Abdeghani Basha, Ahmed Abdellatif, and Hassan SA. "Gross, histological and histochemical investigation of the stomach of the Eurasian stone curlew (Burhinus oedicnemus) and pied king fisher (Ceryle rudis)." Yemeni Journal of Agriculture & Veterinary Sciences 5, no. 2 (2024): 46–61. https://doi.org/10.70022/yjavs.v5i2.2244.

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The structure of the stomach is correlated to the type of the food of the organism. This study investigated the gross, microscopic, histochemical and ultrastructure of the stomach of the stone curlew and pied king fisher. Six adult stone curlew and six adult pied kingfisher of both sexes were used. The results revealed that, the proventriculus was truncated cone- shaped organ in curlew; while, it is very short tube-like in kingfisher. The mucosal surface of the proventriculus has proventricular papillae over its entire surface. The ventriculus was biconvex lens in shape in curlew; while, in ki

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9

Yovchev, D. "HISTOLOGIC AND MICROMETRIC STUDY OF THE PROVENTRICULUS AND GIZZARD OF THE WILD BRONZE TURKEY (MELEAGRIS GALLOPAVO)." Trakia Journal of Sciences 20, no. 2 (2022): 96–102. http://dx.doi.org/10.15547/tjs.2022.02.003.

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The purpose of the present study was to investigate the histologic and micrometric study of the proventriculus and gizzard of the wild bronze turkey (Meleagris gallopavo). Thirty clinically healthy Bronze turkeys (15 females and 15 males) were used for the study. Twelve tissue samples (six from the proventriculus and six from gizzard) from the corresponding age group were used to prepare histological slides. The preparations were stained with hematoxylin (Erlich) - eosin and Masson’s trichrome. The wall of the proventriculus was composed of four layers. They were tunica mucosa, tunica submucos

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10

Bland, RG, and DCF Rentz. "Studies in Australian Gryllacrididae: the proventriculus as a taxonomic character." Invertebrate Systematics 5, no. 2 (1991): 443. http://dx.doi.org/10.1071/it9910443.

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The internal structure of the proventriculus of 17 species from 12 gryllacridid genera is described using light and scanning electron microscopy and is discussed in relation to its use as a taxonomic character. Structural differences were sufficient at 60 to 200 x to separate genera and species. Correlations between proventricular structure and food type are briefly discussed.

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Fukuda, K., Y. Ishii, H. Saiga, K. Shiokawa, and S. Yasugi. "Mesenchymal regulation of epithelial gene expression in developing avian stomach: 5′-flanking region of pepsinogen gene can mediate mesenchymal influence on its expression." Development 120, no. 12 (1994): 3487–95. http://dx.doi.org/10.1242/dev.120.12.3487.

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The expression of a gene encoding an embryonic chick pepsinogen was investigated in developing avian gut. Expression is restricted to the epithelial layer of the embryonic proventriculus (glandular stomach). We can therefore regard this gene as a marker gene for proventricular epithelial differentiation. There is some considerable evidence in favour of epithelial-mesenchymal interactions being important during the development of the gastrointestinal system; for example, pepsinogen expression is induced in proventricular and gizzard (muscular stomach) epithelial by the proventricular mesenchyme

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Bauer, Reinhard, Corinna Lehmann, Bernhard Fuss, Franka Eckardt, and Michael Hoch. "The Drosophila gap junction channel gene innexin 2controls foregut development in response to Wingless signalling." Journal of Cell Science 115, no. 9 (2002): 1859–67. http://dx.doi.org/10.1242/jcs.115.9.1859.

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In invertebrates, the direct communication of neighbouring cells is mediated by gap junctions, which are composed of oligomers of the innexin family of transmembrane proteins. Studies of the few known innexinmutants in Drosophila and C. elegans have shown that innexin proteins, which are structurally analogous to the connexins in vertebrates,play a major structural role as gap junctional core components in electric signal transmission. We show that Drosophila innexin 2 mutants display a feeding defect that originates from a failure of epithelial cells to migrate and invaginate during proventri

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13

Mutlak, Baydaa Hussain, and Sadama Said Faraj. "MORPHO-HISTOLOGICAL STUDY OF THE PROVENTRICULUS OF EURASIAN MARSH HARRIER CIRCUS AERUGINOSUS (LINNAEUS, (1766 (AVES, ACCIPITRIFORMES, ACCIPITRIDAE)." Bulletin of the Iraq Natural History Museum 18, no. 1 (2024): 139–50. http://dx.doi.org/10.26842/binhm.7.2024.18.1.0139.

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The study aimed to describe the anatomical, histological, and histochemical structure of the proventriculuc of adult male Eurasian marsh harrier, Circus aeruginosus (Linnaeus, 1766) (Accipitriformes, Accipitridae). Six birds were used for this study. The histological sections of proventriculus were stained with hematoxylin and eosin, periodic acid Schiff, and alcain blue. The proventriculus, representing the upper stomach, appeared as a conical structure with a thick wall connecting the caudal end of the thoracic esophagus to the gizzard. It had a light brown color. Microscopic examination rev

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14

Dr., Yetunde.O.Ogunkoya. "Clusters of endocrine-like cells in the Proventriculus of three small passerines." International Multispeciality Journal of Health 4, no. 9 (2018): 279–86. https://doi.org/10.5281/zenodo.1472179.

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<strong><em>Abstract—</em></strong> <em>The proventriculi of three small passerines have been studied by electron microscopy. Based on morphology, location of cells and size of granules, ten different types of gastric endocrine-like cells GELCs in the proventriculus were identified. GELCs were observed singly and in clusters in the glandular tubules of the proventriculi. Clustered GELCs in connective tissue, with a blood and nerve supply, is reported for the first time in the avian proventriculus. All GELCs were closely associated with capillaries and many had unmyelinated axons in close

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15

Tizard, Ian, H. L. Shivaprasad, Jianhua Guo, Samer Hameed, Judith Ball, and Susan Payne. "The pathogenesis of proventricular dilatation disease." Animal Health Research Reviews 17, no. 2 (2016): 110–26. http://dx.doi.org/10.1017/s1466252316000189.

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AbstractBornaviruses cause neurologic diseases in several species of birds, especially parrots, waterfowl and finches. The characteristic lesions observed in these birds include encephalitis and gross dilatation of the anterior stomach — the proventriculus. The disease is thus known as proventricular dilatation disease (PDD). PDD is characterized by extreme proventricular dilatation, blockage of the passage of digesta and consequent death by starvation. There are few clinical resemblances between this and the bornaviral encephalitides observed in mammals. Nevertheless, there are common virus-i

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16

Farhana, Nazmun Nusrat, and Rashida Khaton. "Clinicopathological investigation of Newcastle disease in commercial poultry farms at Bogura district of Bangladesh." Asian-Australasian Journal of Bioscience and Biotechnology 9, no. 3 (2024): 45–55. https://doi.org/10.3329/aajbb.v9i3.76946.

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Newcastle disease (ND) now seems endemic in commercial poultry industry of Bangladesh with continuous significant high prevalence and regular outbreaks. High morbidity, up to 100% mortality rate and high economic loss of ND makes it major constraints of poultry industries. We find out the prevalence of ND in dead, sick and apparently healthy poultry at Bogura district of Bangladesh. From July 2020 to June 2021, we observed a total of 500 birds including 31 sick and dead birds randomly from 10 commercial poultry farms of Bogura district. The prevalence was assessed through clinical observations

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17

Rickard, Lora G. "Proventricular lesions associated with natural and experimental infections of Dispharynx nasuta (Nematoda: Acuariidae)." Canadian Journal of Zoology 63, no. 11 (1985): 2663–68. http://dx.doi.org/10.1139/z85-398.

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Dispharynx nasuta (Rudolphi, 1819) was found in the proventriculus of 7 of 11 species of birds examined from Florida. Raised lesions with multifocal petechial hemorrhages, excess mucus, mononuclear infiltrate, and epithelial desquamation were consistently seen in these birds. Nematode larvae originating from eggs obtained from a northern cardinal, Cardinalis cardinalis (L.), were fed to an adult brown-headed cowbird, Molothrus ater (Boddaert), and mature adults established within the proventriculus. The lesion produced was similar to those found in the naturally infected birds. Nematode larvae

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18

Ibrahim, Mohamed, and S. M. Al-Kafagy. "Morphological Comparative Study of Proventriculus and Gizzard Between Bronze Fallow Cockatiel and White Eared Bulbul." SAR Journal of Anatomy and Physiology 6, no. 02 (2025): 75–79. https://doi.org/10.36346/sarjap.2025.v06i03.005.

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The current result aimed to investigate the comparative morphological note of gizzard and proventriculus between two bird (white eared bulbul and bronze fallow cockatiel) according to their food type. In this study used (10 sample) from each bird. The proventriculus of bulbul was spindle tubular in shape- pink in color, the internal surface have shallow longitudinal fold. While in cockatiel the proventriculus was red in color with the spindle shape, the internal surface there was conical projection. The weight of proventriculus of bulbul was more the than that in cockatiel while the length of

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Leal de Araújo, Jeann, and Raquel Rubia Rech. "Seeing beyond a Dilated Proventriculus: Diagnostic Tools for Proventricular Dilatation Disease in Psittacine Birds." Animals 11, no. 12 (2021): 3558. http://dx.doi.org/10.3390/ani11123558.

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Proventricular dilatation disease (PDD) is a life-threatening neurological disease caused by parrot bornaviruses (PaBVs) that affects several species worldwide. PDD can be clinically manifested as either a central nervous system condition or a gastrointestinal condition if the nerves and ganglia of the gastrointestinal tract are compromised. We intend to provide a concise review for veterinary clinicians and diagnosticians with focus on the main tools available for PDD diagnosis, including gross and histopathology, immunohistochemistry, molecular techniques and serology. We suggest that a comb

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20

Hayashi, K., S. Yasugi, and T. Mizuno. "Pepsinogen gene transcription induced in heterologous epithelial-mesenchymal recombinations of chicken endoderms and glandular stomach mesenchyme." Development 103, no. 4 (1988): 725–31. http://dx.doi.org/10.1242/dev.103.4.725.

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Proventricular (glandular stomach) mesenchyme of chicken embryos can induce endoderms of some parts of embryonic digestive tract to produce embryonic chicken pepsinogen (ECPg), a marker protein for the differentiation of embryonic proventricular epithelium. In the present study, we investigated the production of ECPg mRNA in the course of epithelial-mesenchymal interactions between endoderms of digestive tract and proventricular mesenchyme. ECPg mRNA was detected by Northern hybridization with ECPg cDNA as a probe. In normal development of the proventriculus, ECPg mRNA was first detected at da

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Weissenböck, Herbert, Karin Sekulin, Tamás Bakonyi, Sandra Högler, and Norbert Nowotny. "Novel Avian Bornavirus in a Nonpsittacine Species (Canary; Serinus canaria) with Enteric Ganglioneuritis and Encephalitis." Journal of Virology 83, no. 21 (2009): 11367–71. http://dx.doi.org/10.1128/jvi.01343-09.

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ABSTRACT A canary bird (Serinus canaria) died with nonsuppurative ganglioneuritis of the proventriculus and gizzard and encephalitis, lesions comparable to proventricular dilatation disease (PDD) of psittacine birds. Recently, several genotypes of a novel avian bornavirus have been linked to PDD. In the canary, bornaviral antigen was detected by immunohistochemistry in both neural and extraneural tissues. The widespread viral dissemination was confirmed by reverse transcription-PCR. Sequence analysis revealed a unique genotype of avian bornavirus. This observation suggests that bornaviruses ar

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22

Dael, Michaela Marisa, Inggrid T. Maha, Filphin A. Amalo, and Heny Nitbani. "Anatomical and Histological Morphology of The Esophagus and Proventriculus in Green Jungle Fowl (Gallus varius) from Alor Island." JURNAL ILMIAH PETERNAKAN TERPADU 9, no. 3 (2021): 291. http://dx.doi.org/10.23960/jipt.v9i3.p291-310.

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Green jungle fowl (Gallus varius) is a species of jungle fowl endemic Indonesia. This study aims to find out the anatomical and histomorphologIcal of esophagus and proventriculus of green jungle fowl from Alor island. Samples of esophagus and proventriculus were taken from 3 green jungle fowl collected in Alor Regency. Macroscopic study observations include size, location, shape, color and consistency, then sample is fixated in a 10% formalin and made histology preparations as well as haemotoxilin-eosin staining. The results showed that the cervical and thoracic esophagus length is 9.8 ± 0.43

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Monisha, Nure Jannat, Akash Saha John, Shakhawat Hossain Sojol, ,. Rafiqul Islam, Nasrin Sultana, and Mohammad Rafiqul Islam. "Histomorphometry of the gastrointestinal tract of the broiler." Bangladesh Journal of Veterinary Medicine 22, no. 2 (2025): 33–42. https://doi.org/10.33109/bjvmjd2024am1.

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Background: The digestive system of birds is crucial for providing their bodies with the nutrition they require for upkeep, development, and reproduction. The study was conducted to investigate the histological variation of the mucosa of the digestive tract and the distribution pattern of gut-associated lymphoid tissue (GALT) in broiler and cock. Methods: A total of 20 (6-7 weeks old) broiler and cock were divided into two equal groups (n=10). After cervical subluxation, different segments of gastrointestinal tract were collected and stained with Haematoxylin and Eosin stain. Results: The hist

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Shugart, Gary W., and Tessa G. Nania. "Demographic Differences in the Quantity, Mass, and Anatomical Location of Ingested Plastic in Northern Fulmars (Fulmarus glacialis): A Review and Reconsideration of NE Pacific Ocean Samples." Advances in Environmental and Engineering Research 02, no. 03 (2021): 1. http://dx.doi.org/10.21926/aeer.2103023.

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On the Washington and Oregon coast of the NE Pacific Ocean from 2008-2015, we found that juveniles represented 83% of Northern Fulmars that were beached. In comparison to older birds, juveniles averaged more mass and pieces of plastic in stomachs. This reflected relatively larger plastic loads in the cranial stomach section, the proventriculus, which we found was associated with relatively large accumulations in the caudal stomach section, the ventriculus. We estimate that the proventriculus could retain almost 10 times as much plastic as the ventriculus and that retention of proventricular pl

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El-Ghany, Wafaa Abd. "Avian macrorhabdosis (Macrorhabdus ornithogaster) causing proventriculitis: Epidemiology, diagnosis, and control." Veterinary Integrative Sciences 22, no. 3 (2023): 921–31. http://dx.doi.org/10.12982/vis.2024.063.

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Macrorhabdosis is a chronic gastric debilitating disease causing loses in most bird’s species. Therefore, this article was designed to outline avian macrorhabdosis disease regarding the incidence, susceptibility, transmission, clinical picture, diagnosis, and control. Macrorhabdosis “formerly megabacteriosis” is a general designation for an important clinically or sub-clinically infectious disease of wild and in-captive companion, psittacin, and passerine birds world wild. Macrorhabdosis is caused by Macrorhabdus ornithogaster (M. ornithogaster) which mainly colonizes the proventriculus close

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Igwe, A. O. "Sequential histopathological changes of the lower respiratory and gastrointestinal tracts in chickens infected with velogenic Newcastle disease virus." Nigerian Veterinary Journal 44, no. 2 (2024): 24–37. http://dx.doi.org/10.4314/nvj.v44i2.3.

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Velogenic Newcastle disease is a highly contagious and fatal disease that affects domestic poultry, and is clinically manifested by haemorrhagic gastroenteritis and respiratory distress. This study investigated the sequential histopathogic changes in the lungs, proventriculus, and intestines of broiler chickens infected with velogenic Newcastle disease virus (vNDV). Fifty broiler chickens (6-weeks-old) were randomly assigned into two groups of 25 each: UC – unvaccinated with Newcastle disease (ND) vaccines and intranasallly inoculated with vNDV, UU – unvaccinated uninfected. At 4, 5 and 6 days

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Al-Saffar, F. J. Al-Saffar, and Eyhab, R. M. Al-Samawy. "Microscopic and morphometric study of the proventriculus and ventriculus of the Striated Scope Owl (Otus Scors brucei) in Iraq." Kufa Journal For Veterinary Medical Sciences 5, no. 2 (2014): 9–23. http://dx.doi.org/10.36326/kjvs/2014/v5i24206.

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The stomach of the Striated Scope Owl (OtusScorsbrucei) consist of two externally distinguishable chambers: that are the proventriculus (glandular part which secretes the gastric juices) and the gizzard (ventriculus) which has a mechanical function. The proventriculus of longitudinal shape is cranially continuous with the esophagus. The gizzard was rounded shape with a thin wall is extended caudally to the proventriculus. The proventriculus was thick-walled and short (the mean length was 11.4mm , 7.1mm in diameter and 1mm3 in volume). The wall was constructed of the four typical layers of the

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Al-Saffar, F. J. Al-Saffar, and Eyhab, R. M. Al-Samawy. "Microscopic and morphometric study of the proventriculus and ventriculus of the Striated Scope Owl (Otus Scors brucei) in Iraq." Kufa Journal For Veterinary Medical Sciences 5, no. 2 (2014): 9–23. http://dx.doi.org/10.36326/kjvs/2014/v5i24206.

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The stomach of the Striated Scope Owl (OtusScorsbrucei) consist of two externally distinguishable chambers: that are the proventriculus (glandular part which secretes the gastric juices) and the gizzard (ventriculus) which has a mechanical function. The proventriculus of longitudinal shape is cranially continuous with the esophagus. The gizzard was rounded shape with a thin wall is extended caudally to the proventriculus. The proventriculus was thick-walled and short (the mean length was 11.4mm , 7.1mm in diameter and 1mm3 in volume). The wall was constructed of the four typical layers of the

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Ciechanska, Ewa, David A. Dansereau, Pia C. Svendsen, Tim R. Heslip, and William J. Brook. "dAP-2 and defective proventriculus regulate Serrate and Delta expression in the tarsus of Drosophila melanogaster." Genome 50, no. 8 (2007): 693–705. http://dx.doi.org/10.1139/g07-043.

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The segmentation of the proximal–distal axis of the Drosophila melanogaster leg depends on the localized activation of the Notch receptor. The expression of the Notch ligand genes Serrate and Delta in concentric, segmental rings results in the localized activation of Notch, which induces joint formation and is required for the growth of leg segments. We report here that the expression of Serrate and Delta in the leg is regulated by the transcription factor genes dAP-2 and defective proventriculus. Previous studies have shown that Notch activation induces dAP-2 in cells distal and adjacent to t

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Fenita, Yosi, Warnoto Warnoto, Urip Santoso, Nurmeiliasari Nurmeiliasari, Hindrianti Hindrianti, and Teguh Rafian. "Effect of Using Fermented Moringa Leaf Flour (Moringa oleifera) in Diets on Broiler Fat Deposition." Jurnal Sain Peternakan Indonesia 18, no. 4 (2023): 228–34. http://dx.doi.org/10.31186/jspi.id.18.4.228-234.

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This study aims to evaluate the effect of using fermented Moringa oleifera leaf flour in the diet on broiler fat deposition (percentage of neck fat, heart fat, proventriculus fat, gizzard fat, abdominal fat, and sartorial fat). The research was conducted from 20 August to 25 September 2021 at the Commercial Zone and Animal Laboratory (CZAL) of the Animal Husbandry Department and the Animal Husbandry Laboratory, Faculty of Agriculture, Bengkulu University. The design used was a Completely Randomized Design (CRD) with four treatments, five replications, and each replication consisting of 8 chick

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Ahmed, Ahmed, Ahmed Al-Jawadi, and Hadeel Khaleel. "MORPHOLOGICAL, HISTOLOGICAL, AND HISTOCHEMICAL STUDIES OF STOMACH, PROVENTRICULUS, AND GIZZARD IN SLENDER-BILLED GULL CHROICOCEPHALUS GENEI (BRÈME, 1839) (AVES, CHARADRIIFORMES, LARIDAE)." Bulletin of the Iraq Natural History Museum 18, no. 3 (2025): 507–26. https://doi.org/10.26842/binhm.7.2025.18.3.0507.

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The current study aimed to identify the morphological, histological, and histochemical composition of the proventriculus and the gizzard of the slender-billed gull Chroicocephalus genei (Breme, 1839) (Aves, Charadriiformes, Laridae) using a light microscope. Morphological analysis revealed that the stomach of the bird is divided into proventriculus and gizzard. The proventriculus is situated to the left of the body's midline and is completely encompassed by the liver's left lobe, and appears pear-shaped or elongated oval and has smooth walls. The gizzard has a pear-shaped muscular organ and is

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Utama, Cahya Setya, Bambang Sulistiyanto, and T. A. Wicaksono. "PENGARUH PEMBERIAN BERBAGAI POLLARD TEROLAH TERHADAP PERTUMBUHAN ORGAN PENCERNAAN AYAM BROILER UMUR 7 MINGGU." Jurnal Litbang Provinsi Jawa Tengah 17, no. 1 (2019): 101–10. http://dx.doi.org/10.36762/litbangjateng.v17i1.772.

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The study aimed to examine the effect of using pollard in rations on the growth of proventricular, ventricular, duodenal, jejunal and ileal organs in 7-week-old broiler chickens. The research material used 200 broiler chickens aged 7 weeks with an average weight of 859 ± 59 g with each experimental unit consisting of 8 - 9 tails. The design used was a completely randomized design with 5 treatments and 3 replications. Treatment is given (T0 = Comersial feeds, T1 = Feed with pollard without processing, T2 = Feed with pollard treated physically, T3 = Feed with pollard treated physically and biolo

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Salindeho, Indra Raymond, and Danielle Jane Johnston. "Functional morphology of the mouthparts and proventriculus of the rock crab Nectocarcinus tuberculosus (Decapoda: Portunidae)." Journal of the Marine Biological Association of the United Kingdom 83, no. 4 (2003): 821–34. http://dx.doi.org/10.1017/s0025315403007859h.

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Mouthpart and proventriculus structure of the brachyuran crab Nectocarcinus tuberculosus was described by scanning electron microscopy and histology and characteristics indicative of dietary preferences were identified. A qualitative stomach content analysis was conducted to verify structural interpretations with respect to diet. The mouthparts and proventriculus of N. tuberculosus have features that are typical of macrophagous crabs and are consistent with a carnivorous diet of hard items. However, the mandibular arrangement indicates that N. tuberculosus is also adapted to ingest soft plant

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Liu, Hongmei, Kui Ma, Miaomiao Liu, et al. "Histologic findings and viral antigen distribution in natural coinfection of layer hens with subgroup J avian leukosis virus, Marek’s disease virus, and reticuloendotheliosis virus." Journal of Veterinary Diagnostic Investigation 31, no. 5 (2019): 761–65. http://dx.doi.org/10.1177/1040638719868274.

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We investigated the histologic findings and viral antigen distribution in 3 cases of natural coinfection of layer hens with subgroup J avian leukosis virus (ALV-J), Marek’s disease virus (MDV), and reticuloendotheliosis virus (REV) in hens. At autopsy, diseased hens were found to have hepatosplenomegaly and thickened proventriculi, with white tumor nodules in the liver, spleen, lung, kidney, and ovary. Microscopically, most tissues had been infiltrated by neoplastic lymphocytes; the spleen, lung, proventriculus, heart, and liver had been infiltrated by both neoplastic lymphocytes and myeloblas

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Zainab Abd-Ali Mohammad and Abdul-Hussein Habash Awad. "Pathogenicity of Two Nematodes Tetramerese sp. and Microtetramerese Spiralis in Proventriculus of Some Aquatic Birds from Al-Sanaf Marshes in Thi-Qar Province, South of Iraq." University of Thi-Qar Journal of Science 7, no. 2 (2020): 61–64. http://dx.doi.org/10.32792/utq/utjsci/v7i2.713.

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The present study was carried out to investigate the prevalence and mean of intensity of two nematodes Tetramerese sp. and Microtetrameresespiralis isolated from some of aquatic birds collected from Al-Sanaf marshes, Thi-Qar province.The pathological effects of these parasites on the tissues of the infected aquatic birds were recorded.TheTetramerese sp. females were embedded in glands of proventriculus of the some aquatic birds including: Ardea ralloides, Egretta garazeta, Nycticorax nycticorax, Himantopus himantopus, Larus genei, Bubulicus ibis, Aredea purpurea and Anas clypeata with prevalen

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DENNISON, SOPHIE E., WILLIAM M. ADAMS, PHILIPPA J. JOHNSON, BRIAN S. YANDELL, and JOANNE R. PAUL-MURPHY. "PROGNOSTIC ACCURACY OF THE PROVENTRICULUS: KEEL RATIO FOR SHORT-TERM SURVIVAL IN PSITTACINES WITH PROVENTRICULAR DISEASE." Veterinary Radiology & Ultrasound 50, no. 5 (2009): 483–86. http://dx.doi.org/10.1111/j.1740-8261.2009.01582.x.

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Gibbs, D. G. "The proventriculus of some trichopterous larvae." Journal of Zoology 152, no. 2 (2009): 245–56. http://dx.doi.org/10.1111/j.1469-7998.1967.tb01889.x.

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IKEZAWA, Mitsutaka, Masanobu GORYO, Jun SASAKI, and Kosuke OKADA. "Intussusception of the Proventriculus in Chicks." Journal of the Japan Veterinary Medical Association 61, no. 4 (2008): 299–302. http://dx.doi.org/10.12935/jvma1951.61.299.

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Khomych, Volodymyr, Svitlana Usenko, Nadiya Dyshliuk, Tetiana Mazurkevych, and Zhanna Stehnei. "Morphofunctional Features of Limphoid Tissue of the Stomach in Some Wild Bird Species." Scientific Horizons 24, no. 4 (2021): 9–16. http://dx.doi.org/10.48077/scihor.24(4).2021.9-16.

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The article presents the results of histological studies of topography, microstructure and functional features of the stomach lymphoid tissue in birds. The research was carried out on 12 species of wild birds belonging to 6 orders. Classical methods of histological specimens staining with hematoxylin and eosin, according to Weigert, Van Gieson, and argentum nitrate impregnation according to Kelemen were used when performing the work. It has been confirmed that the birds' stomach has glandular (proventriculus), muscular (ventriculus, gizzard) and pyloric parts, which are not equally expressed i

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Akter, K., M. T. Mussa, M. A. Sayeed, M. A. Hai, and M. M. Uddin. "STUDY ON POSTNATAL GROWTH AND DEVELOPMENT OF CROP AND PROVENTRICULUS OF DIGESTIVE TRACT OF BROILER." Bangladesh Journal of Veterinary Medicine 16, no. 1 (2018): 7–11. http://dx.doi.org/10.3329/bjvm.v16i1.37367.

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The experiment was carried out to investigate postnatal growth and development of crop and proventriculus of digestive tract of broiler. Total 45 (“Cobb-500”) chickens of three age groups like day 1(D1), day14 (D14), day 28 (D28) were used each group containing fifteen chickens. All birds were slaughtered after respective days then crop and proventriculus were collected. Total length, diameter and weight were determined by “slide calipers” and electronic balance. Then the samples were processed and stained with H and E stain for histological study. The length (cm), diameter (cm) and weight (gm

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Campbell, B., A. Garner, R. Dimaline, and G. J. Dockray. "Hormonal control of avian pancreas by gastrin-releasing peptide from the proventriculus." American Journal of Physiology-Gastrointestinal and Liver Physiology 261, no. 1 (1991): G16—G21. http://dx.doi.org/10.1152/ajpgi.1991.261.1.g16.

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Endocrine cells in the acid-secreting part of the avian stomach, the proventriculus, contain two forms of gastrin-releasing peptide (GRP) of 27 and 6 residues, respectively. We have examined the actions of exogenous GRP-27 and GRP-6 and endogenously released GRP in the control of pancreatic secretion in urethan-anesthetized turkeys. Chicken GRP-27 and the structurally related amphibian peptide bombesin were potent stimulants of fluid and protein output from the pancreas (at 6-100 pmol/kg, iv). GRP-6 had no significant effect at doses up to 1,000 times higher. A bombesin antagonist, (CH3)2-CHCO

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Fomenko, Ludmila, and Daria Prasolova. "Specific features of the structure of eosephagus,proventriculus and ventriculus in "Hisex Brown" chicken and Pekin duck." Agricultural Technologies 1, no. 2 (2019): 28–33. http://dx.doi.org/10.35599/agritech/01.02.04.

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The structural features of the esophagus, proventriculus and ventriculus of 4 chicken and duck carcasses were studied using the common anatomical dissection method. It is noted that the esophagus is a thin-walled, easily expandable tube, linking the pharynx to the proventriculus. It is subdivided into the cervical and thoracic regions. The length of the esophagus depends on the length of the neck. In a duck, it is 28.29 cm, in a chicken – 25.3 cm. In a hen that has a crop, there is a pre-and post-crop part. The feed swells and moistens in the crop. Ducks has a spindle-shaped crop, which is wea

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Kramer, B., A. Andrew, B. B. Rawdon, and P. Becker. "The effect of pancreatic mesenchyme on the differentiation of endocrine cells from gastric endoderm." Development 100, no. 4 (1987): 661–71. http://dx.doi.org/10.1242/dev.100.4.661.

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To determine whether mesenchyme plays a part in the differentiation of gut endocrine cells, proventricular endoderm from 4- to 5-day chick or quail embryos was associated with mesenchyme from the dorsal pancreatic bud of chick embryos of the same age. The combinations were grown on the chorioallantoic membranes of host chick embryos until they reached a total incubation age of 21 days. Proventricular or pancreatic endoderm of the appropriate age and species reassociated with its own mesenchyme provided the controls. Morphogenesis in the experimental grafts corresponded closely to that in prove

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Berg, Kyra J., David Sanchez-Migallon Guzman, Joanne Paul-Murphy, Michelle G. Hawkins, and Barbara A. Byrne. "Diagnosis and treatment of Candida glabrata proventriculitis in an eclectus parrot (Eclectus roratus)." Journal of the American Veterinary Medical Association 260, no. 4 (2022): 442–49. http://dx.doi.org/10.2460/javma.20.12.0670.

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Abstract CASE DESCRIPTION An 8-year-old sexually intact female eclectus parrot (Eclectus roratus) with a 4-day history of hyporexia and lethargy and a 1-day history of tenesmus was examined. CLINICAL FINDINGS Severe leukocytosis characterized by severe heterophilia and moderate monocytosis was present. Marked dilation of the proventriculus and ventriculus and ascites were identified by means of radiography, coelomic ultrasonography, and contrast-enhanced CT, with no clinically relevant motility noted on ultrasonography. Results of coelomic fluid analysis were consistent with pyogranulomatous e

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Shbailat, Seba Jamal, and Ibtisam Omar Aslan. "The Expression of Proteases and the Oligopeptide Transporter PepT1 in the Yolk Sac Membrane, Proventriculus, and Small Intestine During the Development of Anas platyrhynchos domestica Embryo." Biology 13, no. 12 (2024): 989. https://doi.org/10.3390/biology13120989.

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The role of the yolk sac membrane (YSM) and digestive tract in the processing of egg yolk proteins during embryogenesis is unexplored in the duck Anas platyrhynchos domestica. Here, we investigated in the duck embryo the function of the YSM, proventriculus, and small intestine in protein digestion and uptake. We tested the expression of aminopeptidase N (APN) and the oligopeptide transporter PepT1 as well as the expression of cathepsin B (CTSB) and cathepsin D (CTSD) lysosomal genes in the YSM during incubation days 12, 14, 16–18, 20, 22, 24, 26, and 28 (the day of hatch). Also, we examined em

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Li, Yanyan, Qianqian Xu, Tingting Zhang, et al. "Host Avian Beta-Defensin and Toll-Like Receptor Responses of Pigeons following Infection with Pigeon Paramyxovirus Type 1." Applied and Environmental Microbiology 81, no. 18 (2015): 6415–24. http://dx.doi.org/10.1128/aem.01413-15.

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ABSTRACTThe high morbidity and mortality in pigeons caused by pigeon paramyxovirus type 1 (PPMV-1) highlights the need for new insights into the host immune response and novel treatment approaches. Host defense peptides (HDPs) are key components of the innate immune system. In this study, three novel avian β-defensins (AvBDs 2, 7, and 10) were characterized in pigeons and shown to possess direct antiviral activity against PPMV-1in vitro. In addition, we evaluated the mRNA expression of these AvBDs and other immune-related genes in tissues of 2-month-old infected pigeons at 3 and 7 days postinf

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Yetunde, Olufunmilayo Ogunkoya. "Lectin characterization of the gastrointestinal tract of three Nigerian passerine birds." World Journal of Advanced Research and Reviews 7, no. 2 (2020): 320–30. https://doi.org/10.5281/zenodo.4317291.

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The avian gastrointestinal tract was characterized using lectin cytochemistry <em>Concanavalia agglutinin </em>(Con A) and <em>Arachis hypogea agglutinin</em>, Peanut agglutinin (PNA). The apical cell boundaries of surface epithelial cells of both the proventriculus and ventriculus, the duct and glandular neck cells of the proventriculus, the intestinal brush borders, the surface epithelial cells of the sheep abomasum and the chief cells of the sheep abomasum were stained by Con A and PNA. The intracytoplasmic granules of the duct and glandular neck cells of the proventriculus,

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Sinha, Rupam, Meena Mrigesh, Niddhi Arora, and S. Tamilselvan. "Ultrastructural Studies on Proventriculus of Uttara Fowl." International Journal of Livestock Research 8, no. 5 (2018): 181. http://dx.doi.org/10.5455/ijlr.20171108085332.

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PENG, YING-SHIN, and JERRY M. MARSTON. "Filtering mechanism of the honey bee proventriculus." Physiological Entomology 11, no. 4 (1986): 433–39. http://dx.doi.org/10.1111/j.1365-3032.1986.tb00434.x.

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Temiz, Hasan, Emin Okumus, Umut Aykut, Muhammet Dervisoğlu, and Fehmi Yazici. "Partial purification of pepsin from turkey proventriculus." World Journal of Microbiology and Biotechnology 24, no. 9 (2008): 1851–55. http://dx.doi.org/10.1007/s11274-008-9678-6.

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