Mesure du transit gastrointestinal chez le porc à l'aide des radiolanthanides. Comparaison avec le mouton

Thielemans, Marie-France; François, Ετιεννε; Bodart, Catherine; Thewis, André; Dupont, Francis; Lallemand, Laura Amandine; Malburny, C.

doi:10.1051/rnd:19780203

Cited by 135 publications

(81 citation statements)

References 9 publications

(9 reference statements)

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“…MRT of the digesta in the total gastrointestinal tract (GIT) was calculated according to 242 Thielemans et al (1978). This method calculates the area under the excretion curve and 243 defines MRT as the time that separates the total area under the excretion curve into two equal 244 parts: 245 …”

Section: Calculations and Statistical Analyses 235mentioning

confidence: 99%

Methane emission, digestive characteristics and faecal archaeol in heifers fed diets based on silage from brown midrib maize as compared to conventional maize

Schwarm

Schweigel-Röntgen

Kreuzer

et al. 2015

Archives of Animal Nutrition

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Section: Calculations and Statistical Analyses 235mentioning

confidence: 99%

Methane emission, digestive characteristics and faecal archaeol in heifers fed diets based on silage from brown midrib maize as compared to conventional maize

Schwarm

Schweigel-Röntgen

Kreuzer

et al. 2015

Archives of Animal Nutrition

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“…Of course, the stimulation noted on protozoa at the rumen level induces changes in the bacterial population [22]. It [39] and Faichney and Boston [11]. The increase was not significant (P > 0.05) when the model of Dhanoa et al [9] was used.…”

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confidence: 99%

The effect of Saccharomyces cerevisiae and Aspergillus oryzae on the digestion of the cell wall fraction of a mixed diet in defaunated and refaunated sheep rumen

Jouany¹,

Mathieu²,

Sénaud³

et al. 1998

Reprod. Nutr. Dev.

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“…Combined measurement uncertainties were always < 2 % of the relative standard deviation (RSD), while results from Transit times (the time of first marker appearance) and mean retention times (MRT) were recorded. The MRT for the whole gastrointestinal tract (MRT GIT ) was calculated according to Thielemans et al (1978) as…”

Section: Methodsmentioning

confidence: 99%

“…Average (±SD) transit times (TT) and mean retention times (MRT) in the gastrointestinal tract (GIT) or the reticulorumen (RR) of intraruminally dosed Co-EDTA and orally fed Sm-EDTA in four wild ruminant species 18-27 6 7-10 5 10-14 6 significant differences between Co and Sm measurements within a species are indicated by different superscripts; (a) denotes a trend towards significance (p=0.06 to 0.08) *this animal received the Sm marker from an elevated trough and ingested the marker within 1 h after being dosed with the Co marker 1 time of first marker appearance in faeces 2 calculated according to Thielemans et al (1978) 3 calculated according to Grovum and Williams (1973) 4 due to n=2, no statistics performed 5 data range for Co-EDTA applied to the rumen via cannula from Behrend et al (2004) 6 data range for orally fed Cr-EDTA from Holand (1994) …”

mentioning

confidence: 99%

No ‘bypass’ in adult ruminants: Passage of fluid ingested vs. fluid inserted into the rumen in fistulated muskoxen (Ovibos moschatus), reindeer (Rangifer tarandus) and moose (Alces alces)

Lechner¹,

Barboza²,

Collins³

et al. 2009

Comparative Biochemistry and Physiology Part A: Molecular &

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In young ruminants, the reticular groove ensures that ingested milk is channelled past the forestomach to avoid malfermentation. It has been speculated that some adult wild ruminants, in particular browsing species, maintain a functional oesophageal (reticular) groove, that soluble nutrients can thus bypass the rumen, and that thus the energetic gain from the diet can be increased. We inserted a fluid marker (Co-EDTA) via cannula into the rumen and simultaneously fed a diet that contained a second fluid marker (Sm-EDTA), and analysed the faecal marker excretion patterns, in muskoxen (Ovibos moschatus, n=4 in two experiments each), reindeer (Rangifer tarandus, n=4 in a total of six experiments) and moose (Alces alces, n=1 in one experiment). In no case was the orally fed marker excreted dinstinctively earlier than the marker inserted into the rumen, which indicates that substantial bypass did not occur in these animals. However, differences between the three species in the excretion of the two markers from the rumen are consistent with hypothetical differences in the stratification of rumen contents. We suggest that effects previously ascribed to a "rumen bypass" in wild ruminants most likely reflect differences in the passage from the rumen. No 'bypass' in adult ruminants AbstractIn young ruminants, the reticular groove ensures that ingested milk is channelled past the forestomach to avoid malfermentation. It has been speculated that some adult wild ruminants, in particular browsing species, maintain a functional oesophageal (reticular) groove, that soluble nutrients can thus bypass the rumen, and that thus the energetic gain from the diet can be increased. We inserted a fluid marker (Co-EDTA) via cannula into the rumen and simultaneously fed a diet that contained a second fluid marker (Sm-EDTA), and analysed the faecal marker excretion patterns, in muskoxen (Ovibos moschatus, n=4 in two experiments each), reindeer (Rangifer tarandus, n=4 in a total of six experiments) and moose (Alces alces, n=1 in one experiment). In no case was the orally fed marker excreted dinstinctively earlier than the marker inserted into the rumen, which indicates that substantial bypass did not occur in these animals. However, differences between the three species in the excretion of the two markers from the rumen are consistent with hypothetical differences in the stratification of rumen contents. We suggest that effects previously ascribed to a "rumen bypass" in wild ruminants most likely reflect differences in the passage from the rumen.

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Mesure du transit gastrointestinal chez le porc à l'aide des radiolanthanides. Comparaison avec le mouton

Cited by 135 publications

References 9 publications

Methane emission, digestive characteristics and faecal archaeol in heifers fed diets based on silage from brown midrib maize as compared to conventional maize

Methane emission, digestive characteristics and faecal archaeol in heifers fed diets based on silage from brown midrib maize as compared to conventional maize

The effect of Saccharomyces cerevisiae and Aspergillus oryzae on the digestion of the cell wall fraction of a mixed diet in defaunated and refaunated sheep rumen

No ‘bypass’ in adult ruminants: Passage of fluid ingested vs. fluid inserted into the rumen in fistulated muskoxen (Ovibos moschatus), reindeer (Rangifer tarandus) and moose (Alces alces)

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