The rate of flow of digesta and their removal along the digestive tract of the sheep

Hogan, JP; Phillipson, A. T.

doi:10.1079/bjn19600021

Cited by 101 publications

(71 citation statements)

References 18 publications

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“…I n this study, digesta in the duodenum contained about 6% dry matter and that in the terminal ileum about 8 % dry matter, which are within the ranges of 5.2 and 8.1, 4-3 and 6.3, 4'1 and 7.3, and 5-3 and 9.3 reported by Hogan & Phillipson (1960), Bruce et aZ. (1966) and Cloete (1966) respectively.…”

Section: Vol 29supporting

confidence: 52%

“…These values are larger, relative to the food consumed than flow-rates reported previously, which range from 1490 to 4870 g/d for daily food intakes of 500-900 g (Hogan & Phillipson, 1960;Badawy & Mackie, 1964;Goodall & Kay, 1965;Bruce et al 1966;Cloete, 1966).…”

Section: Vol 29contrasting

confidence: 39%

“…Also, the small intestinal secretions would have been greater in the sheep given the high intake than in those given the low intake. The apparent volumes of water absorbed from the small intestine were larger than the range of 3300 to 5700 ml for sheep calculated from the experiments of Hogan & Phillipson (1960), Badawy & NIackie (1964), Bruce et al (1966 and Cloete (1966).…”

Section: Vol 29mentioning

confidence: 99%

“…Hogan (1964) obtained digesta flow-rates at the duodenum of 7300 g/d for a sheep eating 800 g of lucerne chaff and 13 300-29 IOO g/d for sheep eating 1700 gld. Hogan & Phillipson (1960) measured duodenal flow-rates of digesta of 8640 g/d with sheep given 300 g meadow hay and 200 g concentrate/d. Phillips & Dyck (1964) obtained an average duodenal flow-rate of water of I I 616 ml/d for sheep eating a ground and pelleted roughage ration that supplied 542 g of organic matter daily.…”

Section: Vol 29mentioning

confidence: 99%

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Rate of passage of digesta in sheep

Grovum

Williams

1973

Br J Nutr

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1. Sheep given 400 and 1200 g lucerne chaff/d in equal hourly meals were infused continuously with the complex 51Cr EDTA into the rumen for 5 d and then slaughtered. The retention times of 51Cr EDTA along the small intestine and the apparent quantities of water absorbed in the small and large intestines were calculated.2. The apparent quantities of water absorbed for the 400 and 1200 g food intakes were 5844 and 13110 ml/d in the small intestine and 2101 and 8520 ml/d in the large intestine respectively.3. The mean total retention times of 51Cr EDTA in the small intestine were 136 and 91 min for the sheep given 400 and 1200 g/d respectively. The marker was retained up to seventeen times longer in the ileal than in the duodenal or proximal jejunal segments.

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Section: Vol 29supporting

confidence: 52%

Section: Vol 29contrasting

confidence: 39%

Section: Vol 29mentioning

confidence: 99%

Section: Vol 29mentioning

confidence: 99%

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Rate of passage of digesta in sheep

Grovum

Williams

1973

Br J Nutr

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“…A measured volume of the solution was pumped through the loop at a rate of 180 ml./hr by a peristaltic pump. This rate is within the range of flow rate of ileal contents noted by Hogan & Phillipson (1960). An air bleed was inserted in the circuit to prevent the development of excess pressure associated with the increase in volume attributable to the secretion of succu8 entericUs during an experiment.…”

Section: Magnesium Absorption From Digestive Tract 175mentioning

confidence: 99%