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Titolo:
Role of the furrow of the proximal colon in the production of soft and hard feces in nutrias, Myocastor coypus
Autore:
Takahashi, T; Sakaguchi, E;
Indirizzi:
Gifu Univ, Sch Med, Dept Anat, Gifu 5008705, Japan Gifu Univ Gifu Japan 5008705 iv, Sch Med, Dept Anat, Gifu 5008705, Japan Okayama Univ, Fac Agr, Anim Nutr Lab, Okayama 7008530, Japan Okayama UnivOkayama Japan 7008530 Anim Nutr Lab, Okayama 7008530, Japan
Titolo Testata:
JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMIC AND ENVIRONMENTALPHYSIOLOGY
fascicolo: 7, volume: 170, anno: 2000,
pagine: 531 - 535
SICI:
0174-1578(200011)170:7<531:ROTFOT>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAT; FERMENTATION; COPROPHAGY; PIG;
Keywords:
large intestine; furrow of proximal colon; digesta; bacteria; soft and hard feces; nutrias; Myocastor coypus;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Takahashi, T Gifu Univ, Sch Med, Dept Anat, Tukasa Machi 40, Gifu 5008705,Japan Gifu Univ Tukasa Machi 40 Gifu Japan 5008705 5008705, Japan
Citazione:
T. Takahashi e E. Sakaguchi, "Role of the furrow of the proximal colon in the production of soft and hard feces in nutrias, Myocastor coypus", J COMP PH B, 170(7), 2000, pp. 531-535

Abstract

The bacterial level of soft feces is higher than that of hard feces in nutrias. This suggests the heterogeneity of bacterial density in the large intestine. To show the heterogeneity of bacteria in the contents of the large intestine in nutrias, we divided the contents of the large intestine into 12 regions, then measured the nitrogen (N), total amino acids (TAA) and diaminopimelic acid (DBP), a bacterial marker, of these regions. Levels of N, TAA and DAP varied along the cross section of the proximal colon. The greater curvature of the main lumen and furrow had higher N, TAA and DAP concentrations than the lesser curvature. We also examined the involvement of the furrow in producing two types of feces differing in bacterial nitrogen content by surgically preventing the flow of the furrow contents. We compared the concentrations of N, TAA and DAP between soft and hard feces among operated, sham-operated and intact animals. Surgical closure of the furrow abolished the difference in levels of N, TAA and DAP between soft and hard feces,suggesting that the furrow of the proximal colon is responsible for makingthe bacterial density higher in soft feces than in hard feces.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/09/20 alle ore 04:31:32