Effects of Caecectomy on the Digestibility of Food and Rate of Passage of Digesta in the Rat

Williams, VJ; Senior, William

doi:10.1071/bi9820373

Cited by 19 publications

(10 citation statements)

References 12 publications

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“…2). This is similar to that of earlier studies (Ambuhl et al 1979;Williams & Senior 1982;Ohta et al 1994;Nagata et al 1996;Fukushima et al 1999). However, this significant difference was not recognized in the latter half of the experiment, that is, the feed intake of the cecectomized rats was not significantly different to that of the control rats during this period.…”

Section: Discussionsupporting

confidence: 90%

“…Williams and Senior (1982) reported that the minimum transit time for cecectomized rats (about 10 weeks old) is about 1.6 h faster than for control rats (Cr 2 O 3 as a marker). In this study, the retention time of digesta was measured using Cr 2 O 3 as a marker.…”

Section: Discussionmentioning

confidence: 99%

“…This is similar to that of earlier studies (Ambuhl et al . 1979; Williams & Senior 1982; Ohta et al . 1994; Nagata et al .…”

Section: Discussionmentioning

confidence: 99%

“…The effect of cecectomy on CP digestibility (Table 3) was similar to that in previous results (Ambuhl et al . 1979; Williams & Senior 1982; Ebihara et al . 1983).…”

Section: Discussionmentioning

confidence: 99%

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Effects of cecectomy on digestion and retention time of digesta in rats

Kurosawa

Ikeda

Hagiwara

et al. 2007

Animal Science Journal

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The present experiment aimed to obtain basic knowledge of the role of the cecum in the digestion of protein, fiber and energy, and in the retention of digesta in rats. Twelve healthy male Sprague–Dawley strain rats were used. The experiment lasted for 8 weeks following preliminary feeding. Crude protein [CP], acid detergent fiber [ADF], and energy digestibilities were measured in weeks 1, 4, and 7 of the experiment, while the digesta retention time was measured in weeks 2, 5, and 8. At the end of the test, the colon capacity was measured after killing the rats with diethyl ether. The effects of the cecectomy were not recognized in bodyweight gain, even while the feed intake was high and the feed efficiency was low due to the cecectomy. However these effects were not recognized in the latter half of the test periods. The mean retention time of digesta for the cecectomized rats was about 2 h shorter than that for the control group of rats, while the retention time of digesta in week 8 increased compared to weeks 2 and 5. The digestibility of each substance was significantly lower following the cecectomy. The colon became swollen because of the cecectomy and this swollen colon made up for the capacity of the dissected cecum. It had been considered that the cecum does not play a role in the digestion of nutrition for growth, however, the present results showed two types of effects of cecectomy: one that disappears in accordance with time after surgery (i.e. feed intake and feed efficiency), and another that continues for a longer period (i.e. digestibility, retention time of digesta).

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

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Effects of cecectomy on digestion and retention time of digesta in rats

Kurosawa

Ikeda

Hagiwara

et al. 2007

Animal Science Journal

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“…Additionally, the removal of the fermentative chamber itself (cecum) in the rat reduces the hindgut generation of SCFA by 60-70% (Remesy and Demigne, 1976). Not surprisingly, resection of the cecum reduces the digestibility of dietary fiber in several species (Ambuhl et al, 1979;Williams and Senior, 1982).…”

Section: Productionmentioning

confidence: 99%