Comparison of in vitro digestion of feed ingredients by rabbit cecal and bovine rumen fluids

Aderibigbe, A. O.; Cheeke, P. R.

doi:10.1016/0377-8401(93)90006-6

Cited by 7 publications

(4 citation statements)

References 10 publications

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“…Caecum is the main site of microbial fermentation in rabbit gut covering 30–40% of the maintenance energy requirement in adult rabbits via short‐chain fatty acid production and absorption (Parker, 1976; Marty & Vernay, 1984). Microbial metabolism in rabbit caecum resembles rumen fermentation; however, it is less efficient in digestion of common herbivorous feedstuffs (Aderibigbe & Cheeke, 1993). Abundant caecal microbiota comprising up to 10 11 cells g −1 of gut contents in adult rabbits harbors bacteria and methanogenic archaea (Kovács et al , 2006).…”

Section: Introductionmentioning

confidence: 99%

Molecular profiling and identification of methanogenic archaeal species from rabbit caecum

Kušar

Avguštin

2010

FEMS Microbiology Ecology

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During a comparison of 16S rDNA PCR-denaturant gradient gel electrophoresis (DGGE) profiles of methanogenic archaea from rumen fluid, rabbit caecum and pig feces, a unique band common to all rabbit caecum samples was observed. DGGE profiling also showed that the methanogen community from the New Zealand White adult rabbits is different and less complex than the methanogen communities from the rumen and pig feces. Small subunit ribosomal gene sequences of methanogenic archaea were subsequently retrieved from the constructed rabbit caecum 16S rDNA gene library. Results of the phylogenetic analysis indicated that rabbit caecum is inhabited by members of the genus Methanobrevibacter and is possibly one-species dominated, because all the retrieved sequences exhibited similarity values of 99% or higher. This species may well be a novel species of the genus Methanobrevibacter. It belongs to a distinct phylogenetic group containing Methanobrevibacter woesei, Methanobrevibacter thaueri and Methanobrevibacter gottschalkii strains isolated from animal feces, and Methanobrevibacter smithii from the predominating methanogen population of the human large bowel.

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Section: Introductionmentioning

confidence: 99%

Molecular profiling and identification of methanogenic archaeal species from rabbit caecum

Kušar

Avguštin

2010

FEMS Microbiology Ecology

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“…Of the three additives tested, enzymes gave the highest improvements in digestibility values. However, Aderibigbe and Cheeke (1993) and Aderibigbe et al (1992a) did not find any improvement in in vitro caecal digestibility of various rabbit feeds as a result of probiotic supplementation. They however found that in vitro digestibilities were lower than the in vivo values and the source of fiber has a great influence on their digestibility.…”

Section: Discussionmentioning

confidence: 89%

“…It is an established fact that rabbits are good converters of fibrous plant material into lean meat and they can tolerate a substantial fiber level in their diet (Cheeke, 1987). However, being a monogastric animal, rabbits utilize fiber by virtue of hind gut fermentation which in fact is less efficient compared to rumen fermentation (Aderibigbe et al, 1992a,b,c;Adjiri, et al, 1992;Aderibigbe and Cheeke, 1993). Rabbits can absorb and metabolize volatile fatty acids produced due to hind-gut fermentation which represents about 40% of the maintenance energy requirement (Marty and Vernay, 1984).…”

Section: Introductionmentioning

confidence: 99%

Influence of Supplemental Enzymes, Yeast Culture and Effective Micro-organism Culture on Gut Micro-flora and Nutrient Digestion at Different Parts of the Rabbit Digestive Tract

Samarasinghe¹,

Shanmuganathan²,

Silva³

et al. 2004

Asian Australas. J. Anim. Sci

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An experiment of 10 weeks duration was carried out to study the influence of supplemental effective microorganism (EM) culture, yeast culture and enzymes on nutrient digestibility and gut microflora in rabbit gastrointestinal (GI) tract. Twenty four eight to nine weeks old, New Zealand White rabbits were allotted to four dietary treatments; a basal (control) feed, basal feed supplemented with either EM (1%), yeast culture or enzymes (400 ppm). Nutrient flow in digesta and their digestibility at ileum, caecum, colon and in the total tract as well as gut microflora distribution were studied. Feed dry matter was diluted from 92% to about 14% up to the ileum and about 95% of this water was reabsorbed by the colonic rectal segment followed by caecum (25%). EM and yeast improved protein digestibility at a lower rate than enzymes. Ileal, caecal, colonic and total tract digestibility of crude protein with enzymes were higher by 10.8, 9.4, 11.3 and 10.7%, respectively, as compared to the control. Yeast and enzymes increased crude fiber digestibility at ileum, caecum, colon and in the total tract by 8.5, 9.6, 9.0 and 8.3%, respectively, while EM improved them at a lower rate. Irrespective of treatments, total tract digestibility of crude protein (0.698-0.773) and fiber (0.169-0.183) were greater (p<0.05) than the ileal digestibility. Even though a post-caecal protein digestibility was observed, fiber digestion seemed to be completed in the caecum especially with yeast and enzymes. High precaecal digestibility of crude fiber (97%) and protein (95%) were observed even without additives probably due to caecotrophy. EM and yeast culture promoted the growth of lactic acid bacteria especially in the caecum but they did not influence gut yeast and mould. Present findings reveal that even though rabbits digest nutrients efficiently through hind gut fermentation, they can be further enhanced by EM, yeast and enzymes. Of the three additives tested, enzymes found to be the best.

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“…The rate of inclusion of alternative feed resources is primarily influenced by the levels of crude fiber and crude protein, ensuring that they do not surpass the allowable limits for each stage of growth. However, the utilization of unconventional diets may have an impact on the function of the caecal microflora of rabbit [51] . One highly valuable unconventional feed resource is olive cake meal.…”

Section: Discussionmentioning

confidence: 99%

Economic, Productive, and Behavioral Evaluation of Using Dried Olive Cake and Ground Date Palm in Growing Rabbit’s Diet: Histological and Gene Expression Impact

Wahed,

Sakr,

Ateya

et al. 2024

Egyptian Journal of Veterinary Sciences

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T HE OBJECTIVE of this study was to assess the impact of incorporating different percentages (7.5% and 10%) of dried olive cake and ground date palm together with or without bentonite addition (1%) on economic efficiency, growth performance, gene expression, histopathological findings, and behavioral responses in New Zealand and V-line rabbit breeds. A total of 100 weaning rabbits, from both New Zealand and V-line breeds, were used. The groups were categorized in to five groups per breed based on the content of their feed. The inclusion of bentonite at 1% in combination with both DOC and GDP led to enhanced growth performance for both breeds. From an economic perspective, reduced costs per kilogram of feed, overall feed expenses, leading to lower total production costs. Additionally, significantly higher total return, net profit, and economic efficiency measures were specifically observed within the G10%B group. Gene expression revealed non-significant differences in the growth markers. Bentonite addition at 1% increased the expression profile of antioxidant markers. These findings were also established through the changes in histological features, including increased length of mucosal folds, villi, crypt depth in the intestine, and an enlarged hepatic lobule area in the liver. The groups that consumed treated diets displayed enhanced behavior through increased feeding and grooming activities, as well as reduced periods of inactivity. In conclusion, the inclusion of DOC and GDP together at a rate of 7.5% or 10%, along with an additional 1% bentonite in the diet of growing rabbits, has the potential to yield cost-effective production outcomes.

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Comparison of in vitro digestion of feed ingredients by rabbit cecal and bovine rumen fluids

Cited by 7 publications

References 10 publications

Molecular profiling and identification of methanogenic archaeal species from rabbit caecum

Molecular profiling and identification of methanogenic archaeal species from rabbit caecum

Influence of Supplemental Enzymes, Yeast Culture and Effective Micro-organism Culture on Gut Micro-flora and Nutrient Digestion at Different Parts of the Rabbit Digestive Tract

Economic, Productive, and Behavioral Evaluation of Using Dried Olive Cake and Ground Date Palm in Growing Rabbit’s Diet: Histological and Gene Expression Impact

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