Developmental changes in glucose and butyrate metabolism by isolated sheep ruminal cells
Article Abstract:
In vivo and in vitro studies of sheep rumen were made in the preweaning period, or 42 days, to determine its development pattern. Observations show that the rumen, which is about 80% of stomach mass, undergoes great physical and metabolic changes in this period. Its wet weight grows linearly with body weight from birth and three times faster from day 28 to 42. By day 14, rumen cells undergo a glucose oxidation rate to CO2 1.8 times faster than those of mature cells. By day four, the cells go into peak butyrate oxidation to CO2. By day 42, butyrate overtakes glucose oxidation by a 10-fold rate increase.
Publication Name: The Journal of Nutrition
Subject: Food/cooking/nutrition
ISSN: 0022-3166
Year: 1992
User Contributions:
Comment about this article or add new information about this topic:
Life span is shortened in BHE/cdb rats fed a diet containing 9% menhaden oil and 1% corn oil
Article Abstract:
The effect of long chain unsaturated fatty acids on glucose tolerance was studied using BHE/cdb rats fed with a diet containing beef tallow, menhaden (fish) and corn oil. This strain was chosen because of its propensity to develop abnormal glucose tolerance and lipemia upon aging. It was observed that menhaden oil produced a delay in the development of glucose intolerance and lipemia although a decrease in life span was noted with high doses. It also resulted in renal pathologies, mainly glomerulosclerosis with damages to other organ systems.
Publication Name: The Journal of Nutrition
Subject: Food/cooking/nutrition
ISSN: 0022-3166
Year: 1992
User Contributions:
Comment about this article or add new information about this topic:
Starch hydrolysis by the ruminal microflora
Article Abstract:
The effect of starch structure and chemistry on its utilization by ruminal microflora is reviewed. Microorganisms digesting starch in the lumen are diverse and vary in their abilities to hydrolyze starch, however, the biochemical mechanisms by which these ruminal microflora digest starch is unclear. Further research on regulatory mechanisms, the types of enzymmes produced and the effect of starch structure and composition is recommended in order to fully understand the mechanisms of starch digestion among ruminants.
Publication Name: The Journal of Nutrition
Subject: Food/cooking/nutrition
ISSN: 0022-3166
Year: 1992
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Tropical tastes on Biscayne Bay. The best: chocolate shops. Making waves on Maui
- Abstracts: Dietary fat type and cholesterol quantity interact to affect cholesterol metabolism in guinea pigs. Modification of plasma and hepatic lipids of guinea pigs by feeding high oleic acid pork compared with regular pork
- Abstracts: Dietary fish oil modulates the alkaline phosphatase activity and not the fluidity of rat intestinal microvillus membrane
- Abstracts: Acute-phase protein synthesis in rats is influenced by alterations in plasma and muscle free amino acid pools related to lower plasma volume following trauma
- Abstracts: The association between wasting and stunting: an international perspective. Wasting in chronic gastrointestinal diseases