Influence du remplacement d'une partie du suif d'un aliment d'allaitement par de la tricaproïne ou de la tricapryline en association à de l'huile de coprah sur la croissance du jeune veau préruminant

Aurousseau, Bernard; Thivend, P.; Vermorel, M.; Marpillat, C.; Martinaud, Mariette; Duboisset, Françoise

doi:10.1051/animres:19840207

Cited by 8 publications

(4 citation statements)

References 4 publications

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“…Feed conversion efficiency (Aurousseau, 1984) was also greater (P < 0.05) after tricaproin inclusion (48.8 v. 406 g gain/MJ gross energy).…”

Section: Inra Crz V De Theix Laboratoire D'etude Du Me'tabomentioning

confidence: 90%

Effects of substitution of tricaproin for tallow and of protein concentration in milk substitutes on nitrogen and energy balance in the preruminant lamb

Aurousseau¹

1988

Br J Nutr

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1. Results of 138 nitrogen balance studies from experiments with forty male Limousin and nineteen male Ile de France preruminant lambs were used to estimate total N requirements and to assess the effects of dietary tricaproin inclusion, protein concentration, lysine and methionine supplementation and the age of lambs on protein retention. In addition, energy balances were obtained in twenty-four of the Limousin lambs from birth up to 3 weeks of age by means of a slaughter technique.2. For milk substitute unsupplemented with amino acids, tricaproin inclusion increased N balance slightly (P -= 0.001) when a medium-protein concentration (260 g/kg dry matter (DM)) was used, in 2-week-old lambs (f4.3 %) and in 5-week-old Limousin lambs (+ 5.3 %), or very markedly when a high-protein concentration (320 g/kg DM) was used, in 2-week-old lambs (+ 14.5 %) and in 5-week-old lambs ( f 18.6 %). Protein requirements decreased from 300 g/kg DM in 3-week-old lambs to 270 g/kg D M in 5-week-old lambs for the control milk containing tallow-coconut oil mixture (0.67:0.33 by wt) and was increased above 300 g/kg DM at all ages in the case of experimental milk containing tallow-coconut oil-tricaproin mixture (0.33 : 0.33 : 0.33, by 3. For milk containing either a medium-or a high-protein concentration and supplemented with lysine and methionine, inclusion of tricaproin increased N balance (P < 001) to a similar extent (+ 8.5 up to + 14.3 %) in 1 to 2-and 3-week-old Limousin lambs. An increase in N concentration in the milk had no effect in 1-and 2-weekold lambs, but led to a decreased N balance in 3-week-old lambs. Protein requirements decreased from 310 g/kg DM in 1-week-old lambs to 190 g/kg DM in 3-week-old lambs for the milk containing tallow-coconut oil or from 300g/kg DM in 2-week-old lambs to 210g/kg DM in 3-week-old lambs for the milk containing tallowcoconut oil-tricaproin. 4. For the Ile de France lambs given milk supplemented with lysine and methionine, tricaproin inclusion did not alter N balance. Protein requirements decreased from 370 g/kg D M in 2-week-old lambs to 270 g/kg D M in 4-week-old lambs for milk containing both kinds of fat mixtures.5. Between birth and 3 weeks of age, efficiency of metabolizable energy (ME) utilization in the Limousin lambs was not dependent on the nature of the milk fat or the protein concentration of the diet (ME efficiency for tissue deposition varying from 0672 to 0.698) whilst ME efficiency for protein deposition was 052 and ME efficiency for lipid deposition was close to 1 ; daily maintenance expenditure was 553 kJ/kg body-weight0'5. wt).Despite much research, the efficiency of medium-chain fatty acids in the utilization of energy for growth has still not been accurately determined. Substitution of tricaprylin (C,) or tricaproin (C,) for equal amounts of energy from starch in the diet of young growing rats leads, in most instances, to reduced tissue energy deposition (

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“…Feed conversion efficiency (Aurousseau, 1984) was also greater (P < 0.05) after tricaproin inclusion (48.8 v. 406 g gain/MJ gross energy).…”

Section: Inra Crz V De Theix Laboratoire D'etude Du Me'tabomentioning

confidence: 90%

Effects of substitution of tricaproin for tallow and of protein concentration in milk substitutes on nitrogen and energy balance in the preruminant lamb

Aurousseau¹

1988

Br J Nutr

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“…Tricaprylin, therefore, could be a suitable energy source for the nutrition of the small for date lamb born from multiple-foetus bearing ewes. However, the effect of tricaprylin appeared to be higher in the youngest animals (Aurousseau, Thivend & Vermorel, 1984, in the calf; Aurousseau et aL, 1989, in the lamb).…”

Section: Introductionmentioning

confidence: 93%

“…In previous studies in the preruminant animal (Aurousseau et al, 1989, in the lamb; Aurousseau, Thivend & Vermorel, 1984;Aurousseau, Vermorel & Bouvier, 1984, in the calf), trycaprilin has been shown to be a guarantee of efficient digestibility of the milk constituents and to allow for a higher level of intake and higher feed efficiency. Tricaprylin, therefore, could be a suitable energy source for the nutrition of the small for date lamb born from multiple-foetus bearing ewes.…”

Section: Introductionmentioning

confidence: 95%

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Combined effects of tricaprylin, coconut oil and amount of lipid, carbohydrate and protein on the digestibility of a milk replacer offered to the preruminant lamb and on energy and nitrogen balance

Aurousseau¹,

Vermorel²,

Thériez³

et al. 1989

Ann. Zootech.

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Summary — The effects, according to the age of the animals, of tricaprylin in addition to coconut oil on the digestibility of the constituents of the milk substitutes, on energy and nitrogen balances, and on growth and feed efficiency before weaning were studied in a trial comprising two parts. Two different diets (C, Ta), containing 160 The nitrogen digestibility was higher in 5-week-old lambs who were fed diet Ta, or for all the lambs fed diet Ta taken together (P < 0.05). Respective digestibilities of energy and nitrogen increased from 95.5 to 98.3% and from 97.0 to 98.3% between the second and the sixth week of age (P < 0.025). A higher protein efficiency (P < 0.05), and a higher level of nitrogen balance (P < 0.005) of the same magnitude at all ages (+14 to +25%) were obtained in lambs who were fed diet Ta. Efficiency of ME utilization for energy (k , =

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Growth and survival of European sea bass (Dicentrarchus Labrax) larvae fed from first feeding on compound diets containing medium-chain triacylglycerols

et al. 2000

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Influence du remplacement d'une partie du suif d'un aliment d'allaitement par de la tricaproïne ou de la tricapryline en association à de l'huile de coprah sur la croissance du jeune veau préruminant

Cited by 8 publications

References 4 publications

Effects of substitution of tricaproin for tallow and of protein concentration in milk substitutes on nitrogen and energy balance in the preruminant lamb

Effects of substitution of tricaproin for tallow and of protein concentration in milk substitutes on nitrogen and energy balance in the preruminant lamb

Combined effects of tricaprylin, coconut oil and amount of lipid, carbohydrate and protein on the digestibility of a milk replacer offered to the preruminant lamb and on energy and nitrogen balance

Growth and survival of European sea bass (Dicentrarchus Labrax) larvae fed from first feeding on compound diets containing medium-chain triacylglycerols

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