A modified Thomas cannula for duodenal cannulation in pigs.

Br, Landers; Devitt, P.; Gg, Jamieson

doi:10.1111/j.1751-0813.1989.tb09797.x

Cited by 4 publications

(3 citation statements)

References 3 publications

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“…To date, most studies investigating colonic absorption of nutrients have been conducted using ex vivo approaches, such as the Ussing chamber technique. However, the availability of cannulation procedures provides a useful means of monitoring gastrointestinal uptake of nutrients on a compartmental basis, and allows for greater control over nutrient levels reaching the different intestinal regions (30,(84)(85)(86).…”

Section: Kammlott Et Al (86)mentioning

confidence: 99%

The Pig as an Experimental Model for Elucidating the Mechanisms Governing Dietary Influence on Mineral Absorption

Patterson

Lei²,

Miller³

2008

Exp Biol Med (Maywood)

219

181

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Section: Kammlott Et Al (86)mentioning

confidence: 99%

The Pig as an Experimental Model for Elucidating the Mechanisms Governing Dietary Influence on Mineral Absorption

Patterson

Lei²,

Miller³

2008

Exp Biol Med (Maywood)

219

181

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“…The surgical placement of intestinal cannulas for the study of digestive processes has a very long history with published reports in the 1930's (Harmon & Richards, 1997). More recent methods have been published for swine (Hamilton C.R., 1985;Landers et al, 1989;Moughan P.J., 1987;Walker W.R., 1986). It is thought the first such procedures described to study intestinal digestion in the dog were by Brass (Brass & Mundt, 1981;Brass & Schunemann, 1989).…”

Section: Intestinal Digestibilitymentioning

confidence: 99%

Experimental approaches to study the nutritional value of food ingredients for dogs and cats

Harmon

2007

R. Bras. Zootec.

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This review covers methods that have been applied to study the nutrient value or quality of specific ingredients fed to dogs, cats and comparable species (i.e. foxes, minks, rats, etc.). Typically, the nutritional value or utilization of a specific ingredient is measured by total tract digestibility and has been expanded through the measurement of total nutrient balance (i.e. nitrogen or energy). However, to better understand digestion it is necessary to obtain a more accurate measurement of nutrients entering and leaving the small intestine. Accurate measurement of small intestinal digestion is crucial in dogs and cats because nutrient digestion and absorption occurs primarily in the small intestine. Measuring small intestinal digestibility requires access to digesta leaving the small intestine and can be obtained by placing a cannula at the terminal ileum. This approach also necessitates the use of markers (e.g. chromic oxide) to monitor flow of digesta. Specifically, this approach has been used for the direct measurement of intestinal digestion of carbohydrates and amino acids. It also permits a separate measurement of large intestinal digestion which is particularly useful for the study of fiber fermentation. Passage of foods through the gastrointestinal tract is also an important component of utilization and these methods are reviewed

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“…Phillipson and Innes (1939) and Jarrett (1948) described abomasal cannulation of sheep, and Ward et al (1950) described the preparation of a duodenal fistula for cattle. Procedures for placing cannulas have been described for pigs (Laplace and Borgida, 1976;Decuypere et al, 1977;Gargallo and Zimmerman, 1980;Landers et al, 1989;Pluske et al, 1995), rabbits (Carman and Waynforth, 1984), ponies (Peloso et al, 1994), and dogs (Walker et al, 1994). Detailed surgical procedures and summaries of various experimental approaches for ruminants are also available (Hecker, 1974;Dougherty, 1981;McGilliard, 1982;Gay and Heavner, 1986;Bristol, 1990;Harrison, 1995).…”

Section: Introductionmentioning

confidence: 99%

Considerations for gastrointestinal cannulations in ruminants.

Harmon

Richards

1997

Journal of Animal Science

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The complexity of ruminant digestion necessitates a greater variety and complexity of experimental methods than with any other species. The fact that dietary ingredients are first subjected to microbial fermentation requires elaborate measures to ascertain nutrients presented for absorption. Numerous approaches have been attempted to obtain representative samples of digesta at sites throughout the gastrointestinal tract. The choices of a researcher before an experiment include animal(s), site(s) for cannula placement, style of cannula, cannula material, and numerous other more subtle factors that may contribute to the success of an experiment. This review compares the advantages and disadvantages of various approaches, cannula types, and cannula materials that should be considered before experiments are conducted.

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A modified Thomas cannula for duodenal cannulation in pigs.

Cited by 4 publications

References 3 publications

The Pig as an Experimental Model for Elucidating the Mechanisms Governing Dietary Influence on Mineral Absorption

The Pig as an Experimental Model for Elucidating the Mechanisms Governing Dietary Influence on Mineral Absorption

Experimental approaches to study the nutritional value of food ingredients for dogs and cats

Considerations for gastrointestinal cannulations in ruminants.

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