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Use of /sup 141/Ce as a particulate digesta flow tracer in ruminants. II. Behavior of the tracer at the duodenum and in the feces

Abstract

A ration of 600 g chopped hay and 150 g ground sorghum is given twice daily to sheep fitted with a rumen cannula and a duodenal reentrant cannula. /sup 141/Ce flow rate at the duodenum and in the feces is compared to flow rate of stained hay particles after ingestion of a single labelled meal. After an adaptation period during which both daily meals are labelled, variations in /sup 141/Ce concentration are then measured in the duodenal and fecal dry matter. The tracer is used to estimate dry mater digestibility indirectly. Duodenal data show that the mean retention time of /sup 141/Ce in the rumen is about 15% less than that of stained particles. The meal after the radioactive one momentarily depresses /sup 141/Ce excretion rate while it accelerates that of the stained particles. Mean retention time in the whole gastro-intestinal tract of a meal of 600 g chopped hay 150 g ground sorghum is 40.4+-3.8 h or 32.4+-3.7 h, depending on whether stained particles or /sup 141/Ce is used. All the /sup 141/Ce ingested is recovered in the feces. Mean recovery of /sup 141/Ce in the feces excreted during 200 hours after dosage is 100.2+-5.0%. After a period of  More>>
Authors:
Poncet, C [1] 
  1. INRA Centre de Recherches Zootechniques et Veterinaires, Theix, 63 - Beaumont (France)
Publication Date:
Jan 01, 1976
Product Type:
Journal Article
Reference Number:
AIX-08-299124; EDB-77-064059
Resource Relation:
Journal Name: Ann. Biol. Anim. Biochim., Biophys.; (France); Journal Volume: 16:5
Subject:
59 BASIC BIOLOGICAL SCIENCES; DIGESTION; TRACER TECHNIQUES; RUMINANTS; CERIUM 141; FECES; FORAGE; SMALL INTESTINE; ANIMAL FEEDS; ANIMALS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; BIOLOGICAL MATERIALS; BIOLOGICAL WASTES; BIOMASS; BODY; CERIUM ISOTOPES; DAYS LIVING RADIOISOTOPES; DIGESTIVE SYSTEM; ENERGY SOURCES; EVEN-ODD NUCLEI; FOOD; GASTROINTESTINAL TRACT; INTERMEDIATE MASS NUCLEI; INTESTINES; ISOTOPE APPLICATIONS; ISOTOPES; MAMMALS; NUCLEI; ORGANS; PLANTS; RADIOISOTOPES; RARE EARTH ISOTOPES; RARE EARTH NUCLEI; RENEWABLE ENERGY SOURCES; VERTEBRATES; WASTES; 551001* - Physiological Systems- Tracer Techniques
OSTI ID:
7314574
Country of Origin:
France
Language:
French
Other Identifying Numbers:
Journal ID: CODEN: ABABA
Submitting Site:
INIS
Size:
Pages: 741-751
Announcement Date:
Apr 01, 1977

Citation Formats

Poncet, C. Use of /sup 141/Ce as a particulate digesta flow tracer in ruminants. II. Behavior of the tracer at the duodenum and in the feces. France: N. p., 1976. Web.
Poncet, C. Use of /sup 141/Ce as a particulate digesta flow tracer in ruminants. II. Behavior of the tracer at the duodenum and in the feces. France.
Poncet, C. 1976. "Use of /sup 141/Ce as a particulate digesta flow tracer in ruminants. II. Behavior of the tracer at the duodenum and in the feces." France.
@misc{etde_7314574,
title = {Use of /sup 141/Ce as a particulate digesta flow tracer in ruminants. II. Behavior of the tracer at the duodenum and in the feces}
author = {Poncet, C}
abstractNote = {A ration of 600 g chopped hay and 150 g ground sorghum is given twice daily to sheep fitted with a rumen cannula and a duodenal reentrant cannula. /sup 141/Ce flow rate at the duodenum and in the feces is compared to flow rate of stained hay particles after ingestion of a single labelled meal. After an adaptation period during which both daily meals are labelled, variations in /sup 141/Ce concentration are then measured in the duodenal and fecal dry matter. The tracer is used to estimate dry mater digestibility indirectly. Duodenal data show that the mean retention time of /sup 141/Ce in the rumen is about 15% less than that of stained particles. The meal after the radioactive one momentarily depresses /sup 141/Ce excretion rate while it accelerates that of the stained particles. Mean retention time in the whole gastro-intestinal tract of a meal of 600 g chopped hay 150 g ground sorghum is 40.4+-3.8 h or 32.4+-3.7 h, depending on whether stained particles or /sup 141/Ce is used. All the /sup 141/Ce ingested is recovered in the feces. Mean recovery of /sup 141/Ce in the feces excreted during 200 hours after dosage is 100.2+-5.0%. After a period of adaptation where all meals are radioactive, feces of 2 sheep are sampled either by total collection or directly in the rectum. Dry matter digestibility does not differ whether calculated from total collection or by the indirect method using /sup 141/Ce.}
journal = []
volume = {16:5}
journal type = {AC}
place = {France}
year = {1976}
month = {Jan}
}