Effect of dietary soluble fibre and n-6/n-3 fatty acid ratio on growth performance and nitrogen and energy retention efficiency in growing rabbits

Delgado, R.; Nicodemus, N.; Abad-Guamán, R.; Sastre, Joaquı́n; Menoyo, D.; Carabaño, R.; García, J.

doi:10.1016/j.anifeedsci.2018.03.006

Cited by 17 publications

(40 citation statements)

References 53 publications

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“…The latest studies focus the genetic selection of the rabbits to increase the intramuscular fat deposition (for at least six generations), leading to increasing the MUFAs and decreasing PUFAs, while no variations were induced in SFAs levels [33-48, 59, 64-66]. Other research trends intend to increase the oxidation stability of PUFAs by adding natural herb extracts and vitamin E in rabbit feed [15,16,58,60] willing to extend the shelf life, by avoiding the rancidity of lipids [7,28].…”

Section: Experimental Part Materials and Methodsmentioning

confidence: 99%

Contributions on the Sensorial, Physico-Chemical and Nutritional Characterization of Meat in Flemish Giant Rabbit Breed

Frunză¹,

Simeanu²,

Pop³

et al. 2019

Rev. Chim.

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The purpose of this study was to investigate the sensorial, physico-chemical and nutritional traits of the meat in Flemish Giant rabbit breed. The biological material comprised 75 rabbits (25 males and 50 females), slaughtered at the age of 11 months, at an average carcass weight of 11.5 kg. Samples of the following muscle groups were taken: Longissimus dorsi (LD), Triceps brachii (TB) and Semimembranosus (SM) and were kept at 2 �C. Two hundred and twenty-five samples were analyzed to assess the physico-chemical peculiarities (pH measurements at 24- and 48 h post-slaughter; water, proteins, lipids, fatty acids and crude ash assessments). Another 225 samples (75 for each muscle group) were used as well to investigate the sensorial properties. The results issued from sensorial analysis were close as score among the three muscle groups studied. The pH value was higher in TB muscles. LD muscles from males had the highest protein content (21.70%), TB muscles of females had the highest proportion of lipids (2.65%), while the fatty acid content was higher in females for all analyzed muscles. Except for muscular content in some fatty acids, variance analysis highlighted not significant differences between genders for the studied characters.

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Section: Experimental Part Materials and Methodsmentioning

confidence: 99%

Contributions on the Sensorial, Physico-Chemical and Nutritional Characterization of Meat in Flemish Giant Rabbit Breed

Frunză¹,

Simeanu²,

Pop³

et al. 2019

Rev. Chim.

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“…Some fatty acids, such as omega (n)-3, have been implicated in the development of an immune response. Fortun- Lamothe and Boullier (2007) and Maertens et al (2005) reported a higher post-weaning viability for young rabbits fed a diet with a low omega (n-6) to omega (n-3) ratio (1.0 versus 4.4), while Delgado et al (2018a) did not detect an effect of the ratio on health status. A moderate addition of fat to starter diets increases the energy intake of kits and contributes to the maintenance of good body condition, and would contribute to digestive maturation and immune system development, thus reducing weaning risk and improving resistance to digestive problems.…”

Section: Lipidsmentioning

confidence: 96%

“…Another way to analyse the role of quickly fermented polysaccharides is to determine the neutral detergent soluble fibre (NDSF) residue (Hall et al, 1997), which corresponds to the polysaccharides soluble in the neutral detergent solution. Although the level of NDSF is moderate in rabbit feeds, a reduction of its level (120 versus 80 g kg -1 ) could be unfavourable to digestive health of the early-weaned rabbit (Gómez-Conde et al, 2009;Delgado et al, 2018a). Conversely, a higher level of NDSF may improve the mucosal morphology and functionality and its immune response (Gómez-Conde et al, 2007).…”

Section: Potential Roles Of Quickly Fermentable Polysaccharidesmentioning

confidence: 99%

Nutrition and feeding strategy: impacts on health status.

Lebas¹,

Licois²,

García³

2020

Nutrition of the Rabbit

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This chapter discussed the health problems (mainly digestive) linked to the balance of dietary components and the presence of nutrients in excess, mainly in relation to the initial composition of feed ingredients, but also to the feeding strategy. Also highlighted are the feeding strategies (feed quantity and nutritional quality) for the doe and for the growing rabbit. The last section will cover the health consequences of non-nutritional components that are frequently associated with feed ingredients, such as mycotoxins and water quality. The methods for health status assessment that are practical in rabbit breeding were also discussed.

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“…The inclusion of a moderated level of soluble fibre (~12%; SF), usually derived from sugar beet pulp (SBP) inclusion, enhanced gut functionality [ 1 , 2 ] and modified intestinal microbiota [ 3 , 4 , 5 ], which was related to a decrease of the mortality rate in rabbits affected by epizootic rabbit enteropathy (ERE) [ 6 , 7 , 8 ]. These positive effects associated with SBP were accounted not only for its SF but also for its high content of easily fermentable insoluble fibre [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

“…Nevertheless, a 30% SBP level of inclusion, in substitution of barley and alfalfa, did not affect these traits in low-fibrous diets [ 11 ]. On the opposite, energy and nitrogen retention efficiency increased when a lower level of SBP was used (18%) in low-fibre diets (31% neutral detergent fibre, NDF, on DM basis and free of ash and protein) [ 8 ], probably due to the improvement of the rabbit health status and the reduction of urine nitrogen losses. In this context, the increase of the insoluble fibre level (NDF) impaired the nutritive value of SBP [ 12 ], which might be related with the role of NDF in modulating the microbial activity and rate of passage [ 13 , 14 ], and finally might affect the dietary energy and nitrogen efficiency.…”

Section: Introductionmentioning

confidence: 99%

Effect of Dietary Insoluble and Soluble Fibre on Growth Performance, Digestibility, and Nitrogen, Energy, and Mineral Retention Efficiency in Growing Rabbits

Farías-Kovac

Nicodemus

Delgado

et al. 2020

Animals

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Dietary soluble fibre limits the incidence of epizootic rabbit enteropathy (ERE) and improves the energy and nitrogen balance in low-insoluble fibre diets, while high-insoluble fibre diets seem to favour ERE. This study assessed whether the positive effects of soluble fibre are influenced by the level of insoluble fibre. Four diets (2 × 2 factorial arrangement) were used with two levels of insoluble fibre (314 vs. 393 g/kg DM) and soluble fibre (87 vs. 128 g/kg DM), resulting in four diets with increasing total dietary fibre levels. Growth performance and chemical composition (body and carcass) (28–62 days of age), faecal digestibility (54–57 days of age), and jejunal morphometry functionality (39 days of age) were determined. Mortality was low (<1%) and treatments did not influence it. Insoluble and soluble fibre tended to reduce the growth rate (p ≤ 0.109), body protein, and fat accretion (p = 0.049 to 0.120), but only insoluble fibre impaired feed efficiency (p < 0.001). The efficiency of digestible energy used for growth was impaired with the increase of total dietary fibre (p = 0.027), while that of nitrogen remained majorly unaffected. In conclusion, in healthy rabbits, the increase of either insoluble or soluble fibre had no benefit.

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Effect of dietary soluble fibre and n-6/n-3 fatty acid ratio on growth performance and nitrogen and energy retention efficiency in growing rabbits

Cited by 17 publications

References 53 publications

Contributions on the Sensorial, Physico-Chemical and Nutritional Characterization of Meat in Flemish Giant Rabbit Breed

Contributions on the Sensorial, Physico-Chemical and Nutritional Characterization of Meat in Flemish Giant Rabbit Breed

Nutrition and feeding strategy: impacts on health status.

Effect of Dietary Insoluble and Soluble Fibre on Growth Performance, Digestibility, and Nitrogen, Energy, and Mineral Retention Efficiency in Growing Rabbits

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