Recent Advances in Rabbit Nutrition : Emphasis on Fibre Requirements. A Review.

GlDENNE, T.

doi:10.4995/wrs.2000.414

Cited by 39 publications

(47 citation statements)

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“…Most diets dealt with in this study met these requirements. Gidenne (2000) for the quantity of fiber offered to the animals, it can be seen that the reference diet contains acid detergent fiber, lignin and acid detergent lignin/cellulose ratio inferior to the one proposed (Table 2), although balanced according to the recommendations of De Blas & Matheus (1998). Another recommendation is made as to the level of acid detergent lignin, which can be of 50 to 70 g/kg of natural matter, range in which the diets used in this study are not comprised (Table 2).…”

Section: Resultsmentioning

confidence: 99%

“…As quoted by Cheek et al (1986) and Gidenne (2000) the rabbit has a low utilization of the fiber fraction due to the rapid passage of feed through the gastrointestinal tract. Through the caecotrophic activity, the digestibility of nutrients, especially protein, is incremented (Carabaño et al, 1988;Carabaño & Piquer, 1998;Machado et al, 2007;Faria et al, 2008).…”

Section: Introductionmentioning

confidence: 88%

“…Fernandez-Carmona et al (1998) found values of 2143.5 and 2418.7 kcal/kg of natural matter for the diets with 960.0 and 881.0 g of alfalfa hay per kg of natural matter, respectively, and the first value was inferior to all the diets used in this experiment. Gidenne (2000) proposes energy levels of 2250 to 2350 kcal DE/kg of natural matter until 45 days and 2350 to 2450 from the 46 day until slaughter. Most diets dealt with in this study met these requirements.…”

Section: Resultsmentioning

confidence: 99%

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Apparent digestibility of simplified and semi-simplified diets, with and without addition of enzymes, and nutritional value of fibrous sources for rabbits

Machado

Ferreira²,

Scapinello

2012

R. Bras. Zootec.

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-The objectives of this study were to evaluate the digestibility of the nutrients of simplified and semisimplified diets, with and without inclusion of exogenous enzymes and to determine the nutritional value of the fibrous sources.The tested feedstuffs were: alfalfa hay, hay from the upper third of the cassava foliage and cassava leaf meal, using a completely randomized design with 11 diets and 8 repetitions. The treatments were constituted of 1 reference diet, 2 simplified diets and 8 semi-simplified diets (4 enzymatic inclusion). The enzymes used were carbohydrases (alpha-galactosidase, galactomanose, xylanase and beta glucanase) and phytase. It was observed that the digestibility of the nutrients of the diets was influenced by the type of feed studied. Semi-simplified diets presented coefficients inferior to the reference diet and superior to the simplified diets. Exogenous enzymes promoted improvements in the digestibility of the dry matter (DM), organic matter, crude protein and gross energy. It was also observed that great part of the crude protein of the cassava leaf meal complexed, which depreciated the digestibility of diets with high inclusion of this ingredient. The nutritional value of fibrous sources was 1822.7 kcal digestible energy -DE/kgDM and 122,6 g digestible protein -DP/kg DM, for the hay from the upper third of the cassava foliage; 2232.5 kcalDE/kgDM and 155.4 gDP/kgDM for alfalfa hay and 1888.9 kcalDE/kgDM and 73.6 gDP/kgDM for the cassava leaf meal. With the exception of diets with elevated inclusion of cassava leaf meal, the semi-simplified diets presented satisfactory coefficients of digestibility improved by the enzymatic inclusion.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 88%

Section: Resultsmentioning

confidence: 99%

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Apparent digestibility of simplified and semi-simplified diets, with and without addition of enzymes, and nutritional value of fibrous sources for rabbits

Machado

Ferreira²,

Scapinello

2012

R. Bras. Zootec.

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“…The commercial medicated and non-medicated diets offered to the experimental rabbit groups in the 3 weeks post-weaning, from 36 to 57 days of age, differed only in the supplement of antibiotics. The diets were formulated to meet the nutritional needs of weaned rabbits, preventing digestive disorders and, at the same time, growth reduction, in line with Gidenne (2000). Nevertheless, compared with the suggestions of Gidenne (2000) expressed on as-fed basis, the post-weaning diets resulted adequate in starch (<140 g/kg) and ADF (>190 g/kg), quite close to CP (<160 g/kg) and NDF (>300 g/kg), but slightly lower in ADL (>55 g/kg).…”

mentioning

confidence: 99%

“…Nevertheless, compared with the suggestions of Gidenne (2000) expressed on as-fed basis, the post-weaning diets resulted adequate in starch (<140 g/kg) and ADF (>190 g/kg), quite close to CP (<160 g/kg) and NDF (>300 g/kg), but slightly lower in ADL (>55 g/kg). Moreover, especially because of their high EE content, the diets had slightly more digestible energy (10.3 MJ/kg) than the maximum recommended level (9.8 MJ/kg; Gidenne, 2000) so that the restricted rabbits could compensate for their lower feed intake. In this regard, Knudsen et al (2014) and Read et al (2015) observed enhanced nutrient utilisation in rabbits on restricted diets eating a diet rich in energy.…”

mentioning

confidence: 99%

A 3-week feed restriction after weaning as an alternative to a medicated diet: effects on growth, health, carcass and meat traits of rabbits of two genotypes

Alabiso

Grigoli

Mazza

et al. 2017

Animal

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Feed restriction after weaning is widely used in meat rabbit farms to promote health and reduce mortality, but this practice impacts negatively on rabbit growth and slaughter performance. This study compared a 3-week post-weaning feed restriction with ad libitum medicated feeding, evaluating effects on feed intake, growth, health, carcass and meat quality of rabbits of two genotypes: Italian White pure breed and Hycole hybrid × Italian White crossbred. A total of 512 rabbits at 36 days of age, of both sexes and two genotypes, were divided into four homogeneous groups assigned, from 36 to 57 days of age, to different feeding programmes (FP): restricted non-medicated (R-N), ad libitum non-medicated (L-N), restricted medicated (R-M) and ad libitum medicated (L-M). The diets were medicated with oxytetracycline (1540 mg/kg) and colistin sulphate (240 mg/kg). The restriction, performed by giving 70, 80 and 90 g/day of feed for the 1st, 2nd and 3rd week, was followed by ad libitum feeding in the successive 5 weeks, up to slaughter at 92 days of age. Restricted feeds were ingested at a level of 64% of the feed intake recorded in the ad libitum fed rabbits; it was significantly associated, regardless of medication and rabbit genotype, with a lower feed intake (−22 to −24 g dry matter/day) during the entire experiment, compensatory growth and a lower feed conversion ratio in the ad libitum period, and a lower final live weight (−150 g) than ad libitum feeding (P < 0.001). During restriction, mortality was lower in the restricted rabbits (6.25%, 5.47% v. 12.5%, 14.8% for R-N, R-M, L-N and L-M; P < 0.05), whereas in the ad libitum period mortality did not differ among the groups (9.23%, 9.90%, 11.0% and 4.59% for R-N, R-M, L-N and L-M). Dressing out percentage was not affected by FP or genotype; heavier carcasses were produced by rabbits fed ad libitum (+100 g; P < 0.001) and crossbred rabbits (+122 g; P < 0.001). Restriction did not alter meat quality, except for a tendency towards a higher cooking loss and less fat; crossbred meat was higher in L* (+1.3; P < 0.01) and b* (+0.51; P < 0.05) colour indexes and tenderness (−0.14 kg/cm 2 ; P < 0.05) than pure breed meat. Under the conditions of this study, a 3-week restricted feeding after weaning resulted to be a suitable alternative, also for high growth potential genotypes, to the antibiotics to preserve rabbit health. The production of lighter carcasses could be compensated partly by the lower feed conversion ratio showed by restricted rabbits.

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Effects of dietary digestible fibre and soybean oil level on the odd-numbered, branched-chain and hydroxy-fatty acid composition of caecotrophs in rabbits

Papadomichelakis

Anastasopoulos

Karagiannidou

et al. 2010

Animal Feed Science and Technology

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Recent Advances in Rabbit Nutrition : Emphasis on Fibre Requirements. A Review.

Cited by 39 publications

References 0 publications

Apparent digestibility of simplified and semi-simplified diets, with and without addition of enzymes, and nutritional value of fibrous sources for rabbits

Apparent digestibility of simplified and semi-simplified diets, with and without addition of enzymes, and nutritional value of fibrous sources for rabbits

A 3-week feed restriction after weaning as an alternative to a medicated diet: effects on growth, health, carcass and meat traits of rabbits of two genotypes

Effects of dietary digestible fibre and soybean oil level on the odd-numbered, branched-chain and hydroxy-fatty acid composition of caecotrophs in rabbits

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