1968
DOI: 10.1051/rnd:19680208
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Utilisation Digestive, Cinétique De l'ABSORPTION Et Efficacité De La Rétention Du Phosphore Phytique Chez Le Porc

Abstract: Centre national de Recherches zootechniques, 78-Jouy-en-Josas Institut national de la Recherche agronomique SOMMAIRE L'expérience a porté sur I7 porcs en croissance, ayant reçu une dose orale de 32 P, soit sous forme de phosphate disodique, soit sous forme de son de blé irradié. Les fèces et l'urine ont été collectées pendant 6 jours après le repas marqué et des prélèvements de sang ont été effectués pour l'étude cinétique de l'absorption intestinale. Le coefficient d'utilisation digestive réelle du phosphore … Show more

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Cited by 26 publications
(10 citation statements)
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“…Variations in the blood or lymph concentrations of a nutrient reflect the overall digestive processes to which the nutrient has been subjected, and its possible metabolisation in the gastrointestinal cell wall. A qualitative description of absorption can thus be made from the changes in intestinal lymph composition with time (lipids: [137]) or more generally from portoarterial differences in nutrient concentrations indicating the degree of enrichment of the portal blood draining the whole gut, relative to the afferent arterial blood of the intestine (minerals: [69,70]; amino acids issued from various proteins: [132,135,136]; sugars: [14-16, 149, 150]). A quantitative description of absorption can be made by measuring the blood flow rate in the portal vein (initially using an electromagnetic flowmeter) [140], while blood samples can be obtained by permanent catheterisations in the portal vein [3] and the carotid artery [141].…”
Section: A Methodology For the Assessment Of Absorptionmentioning
confidence: 99%
See 1 more Smart Citation
“…Variations in the blood or lymph concentrations of a nutrient reflect the overall digestive processes to which the nutrient has been subjected, and its possible metabolisation in the gastrointestinal cell wall. A qualitative description of absorption can thus be made from the changes in intestinal lymph composition with time (lipids: [137]) or more generally from portoarterial differences in nutrient concentrations indicating the degree of enrichment of the portal blood draining the whole gut, relative to the afferent arterial blood of the intestine (minerals: [69,70]; amino acids issued from various proteins: [132,135,136]; sugars: [14-16, 149, 150]). A quantitative description of absorption can be made by measuring the blood flow rate in the portal vein (initially using an electromagnetic flowmeter) [140], while blood samples can be obtained by permanent catheterisations in the portal vein [3] and the carotid artery [141].…”
Section: A Methodology For the Assessment Of Absorptionmentioning
confidence: 99%
“…-The influence of the chemical form of phosphorous on its absorption rate, as aluminoferrous phosphate and wheat bran phosphorous are absorbed late in comparison with disodium phosphate; P accretion depends closely on the simultaneous presence of calcium [68][69][70][71].…”
Section: Absorption Of Minerals Sugars and Amino Acidsmentioning
confidence: 99%
“…Therefore, as already suggested (Gueguen et al 1968), phytic P may be less utilizable than inorganic P for bone accretion or some products of the partial hydrolysis of phytic acid may be potent inhibitors of bone mineralization (Thomas & Tilden, 1972…”
Section: Symposium Proceedings 1981mentioning
confidence: 99%
“…que de acordo com KETAREN et al (1993) possui menor disponibilidade deste mineral para os suínos. Todavia, o valor obtido está de acordo com os dados de literatura, onde a disponibilidade do fósforo de dietas à base de grãos de cereais, varia entre 18 e 60%, com média de 33%, para suínos de 23 a 41kg (GUÉGUEN et al 1968;NOLLAND et al1968e PEELER, 1972.…”
Section: Resultsunclassified
“…A menor eficiência da retenção do fósforo absorvido (84,14%), registrada para a dieta à base de grãos de cereais (CONT), pode estar associada, em nível de sangue, a uma discriminação metabólica do elemento em razão de sua origem (GUÉGUEN et al, 1968;VITTI et al, 1989). Resultados semelhantes foram obtidos por BELLAVER et al (1984) e LOPES (1998) que verificaram menor eficiência de retenção de fósforo das dietas à base de milho e farelo de soja, sem a suplementação de fósforo; contudo, os valores obtidos por estes pesquisadores foram inferiores aos registrados nesta pesquisa.…”
Section: Resultsunclassified