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Effect of lucerne-based diets on performance of reproductive rabbit does at two temperatures

Published online by Cambridge University Press:  18 August 2016

J. Fernández-Carmona,
I. Alqedra,
C. Cervera,
J. Moya and
J.J. Pascual
J. Fernández-Carmona
Affiliation:
Unidad de Alimentación Animal, Departamento de Ciencia Animal, Universidad Politécnica de Valencia, PO Box 22012, Valencia 46071, Spain
I. Alqedra
Affiliation:
Unidad de Alimentación Animal, Departamento de Ciencia Animal, Universidad Politécnica de Valencia, PO Box 22012, Valencia 46071, Spain
C. Cervera
Affiliation:
Unidad de Alimentación Animal, Departamento de Ciencia Animal, Universidad Politécnica de Valencia, PO Box 22012, Valencia 46071, Spain
J. Moya
Affiliation:
Unidad de Alimentación Animal, Departamento de Ciencia Animal, Universidad Politécnica de Valencia, PO Box 22012, Valencia 46071, Spain
J.J. Pascual*
Affiliation:
Unidad de Alimentación Animal, Departamento de Ciencia Animal, Universidad Politécnica de Valencia, PO Box 22012, Valencia 46071, Spain
*
† Corresponding author: E-mail: jupascu@dca.upv.es
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Abstract

New Zealand × Californian rabbit does were offered ad libitum three diets: diet A, with 960 g lucerne per kg drymatter (DM), having 8•7 MJ digestible energy (DE) and 108 g digestible protein (DP) per kg DM; diet AF with920 g lucerne and 50 g animal fat per kg DM, having 9•6 MJ DE and 105 g DP per kg DM; and diet C, as a controldiet having 12•0 MJ DE and 122 g DP per kg DM. Productive parameters were measured for the first five parities, and food intake and milk yield during the first two parities.

In experiment 1, 79 does (342 parities) were housed in a cooled building, litters were standardized to eight kits andweaned at 28 days of age. DM intake during lactation was lower (P < 0•001) but DE intake, milk yield and littergrowth were higher for group C. Values for does on diet AF generally were between those of groups A and C.Average results for groups A, AF and C were respectively: 59, 65 and 51 days for the parturition interval; 160, 170and 193 g for daily milk output in the first two lactations; 3•7, 4•0 and 4•5 kg for litter weight at weaning.

In experiment 2, 64 does (294 parities) were housed in a climatic chamber at a constant temperature of 30oC, litterswere standardized to six kits and weaned at 35 days of age. DM intake during lactation was lower (P < 0•001) butmilk yield and litter growth were higher (P < 0•001) for C does. Average results for groups A, AF and C wererespectively: 70, 70 and 56 days for parturition interval; 106, 128 and 128 g for daily milk output in the first twolactations; 3•7, 4•4 and 4•4 kg for litter weight at weaning. Lucerne-based diets allowed a reasonable performance of reproductive rabbit does in the long term, even under hotconditions.

Keywords

lucernerabbitsreproductiontemperature.

Information

Type
Non-ruminant nutrition, behaviour and production
Information
Animal Science , Volume 76 , Issue 2 , April 2003, pp. 283 - 295
Copyright
Copyright © British Society of Animal Science 2003

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