Prediction of the nutritive value of lucerne hay in diets for growing rabbits

García, José Alejos; Pérez-Alba, L.; Álvarez, Carolina; Rocha, Raizza Fátima Abadía Tulux; Ramos, M.; Blas, C. de

doi:10.1016/0377-8401(94)00759-3

Cited by 33 publications

(17 citation statements)

References 7 publications

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“…Abd El-Baki et al (1993) A ED do feno de alfafa encontra-se dentro dos valores encontrados na literatura, sendo a variação desses de 1530kcal a 2967kcal/kg de MS de acordo com Lebas, (1987), Pérez, (1994, Garcia et al, (1995), Fernandez-Carmona et al, (1996) e Da Graça et al (2001. A PD do feno de alfafa encontra-se, também, dentro do observado na literatura (12 a 17%).…”

Section: Methodsunclassified

Digestibilidade aparente dos nutrientes de dietas simplificadas baseadas em forragens para coelhos em crescimento

Ferreira¹,

Herrera²,

Scapinello

et al. 2007

Arq. Bras. Med. Vet. Zootec.

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RESUMOAvaliaram-se os efeitos de dietas simplificadas à base de forragens sobre a digestibilidade aparente dos nutrientes em coelhos Nova Zelândia branco. As dietas experimentais foram: referência (REF), feno de alfafa (FAL), feno das folhas de rami (FRA), feno das folhas de amoreira (FAM) e feno do terço superior da rama da mandioca (FMA). A digestibilidade das dietas foi influenciada pelo tipo de alimento estudado; a FMA apresentou coeficientes de digestibilidade inferiores às demais dietas para todos os princípios nutritivos analisados. Para a dieta FAM, os coeficientes de digestibilidade aparente dos princípios nutritivos foram maiores (P<0,05) que os coeficientes das outras dietas estudadas. Os animais que ingeriram a dieta FAM apresentaram distúrbios digestivos e baixos consumos, com efeito negativo sobre os resultados. Os coeficientes de digestibilidade aparente das demais dietas estudadas foram semelhantes (P>0,05). Os valores estimados de energia digestível (kcal ED/kg MS) e proteína digestível (%PD/MS) foram, respectivamente, para o feno de alfafa: 2285,27 e 16,04; feno das folhas de rami: 1857,88 e 16,37; feno das folhas de amoreira: 2838,48 e 15,12 e feno do terço superior da mandioca: 2155,55 e 10,57. Palavras-chave: coelho, digestibilidade, forragens ABSTRACT The effect of simplified diets based on forages on the apparent digestibility in white New Zealand rabbits was evaluated. The treatments were based on the following diets: reference (REF), hay of alfalfa (FAL), hay of rami leaves (FRA), hay of mulberry leaves (FAM) and hay of upper to 1/3 aereal part of cassava (FMA).

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Section: Methodsunclassified

Digestibilidade aparente dos nutrientes de dietas simplificadas baseadas em forragens para coelhos em crescimento

Ferreira¹,

Herrera²,

Scapinello

et al. 2007

Arq. Bras. Med. Vet. Zootec.

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“…In fact, Lebas et al (1982), García et al (1995) and Fernández-Carmona et al (1998) observed that younger animals fed with fibrous feeds showed a higher weight of digestive tract and contents. As shown in Table 2, several works have examined the possibility of stimulating feed intake of reproductive does during the first lactations by the inclusion of fibrous feeds administered ad libitum during the rearing period, but different results have been obtained depending on the feed used and the moment of its application.…”

Section: Rearing Feeding Programmesmentioning

confidence: 98%

Resources allocation in reproductive rabbit does: a review of feeding and genetic strategies for suitable performance

Pascual

Savietto²,

Cervera

et al. 2013

World Rabbit Sci.

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This article reviews how frequent feeding and selection programmes can affect resource allocation in rabbit does during reproduction. The consequences of these programmes and the central role of body condition for suitable female performance are analysed considering genetic level, health and welfare. Future reproductive potential of reproductive rabbit females is decided before first partum. There is enough evidence of a possible threshold for the rabbit female birth weight to reach the beginning of reproductive life in a suitable body condition to maximise their future reproductive potential. The moment of first mating could be identified as the last of the 'pure' data on the animal, a sign of the animal soma that is probably related to its productive potential. An adequate feeding system during rearing and first pregnancy is relevant for the reproductive performance of rabbit females in the short and long term. The body condition of females changes during the reproductive cycle and throughout their reproductive life according to their genetically determined level. The problems arise when the animals are forced to diverge from this appropriate level, increasing susceptibility to disease, other stress factors and eventual failure. Negative energy balances detected during lactation do not seem to have the strength of those observed in late pregnancy. Genetic selection for litter size at weaning has increased prolificacy, but also the ability to obtain resources without compromising the survival of rabbit females. However, it could also have increased the susceptibility of animals to the environment, focusing more on the maternal investment in the future litter rather than on the current one under restricted conditions to maximise their fitness. Rabbit does selected for reproductive longevity have a greater soma, which enables them to better cope with the possible productive challenges. There is also evidence that they have greater plasticity in using their soma, making them more robust to overcome demanding situations. In addition, there is evidence of a possible improvement of immune system modulation in such robust animals.

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“…The samples of soft faeces were freezedried and their purine content was estimated using the total purine analysis method of Zinn and Owens (1980) as modified by Ushida et al (1985 (Carabano et al, 1988;Parigi-Bini et al, 1990;Fraga et al, 1991) Prohaszka (1980). The lack of effect of type of diet on these traits in this study might be explained by the slight differences among diets in digestible NDF content (10.7 and 11.2% in diets A and E, respectively; Garcia et al, 1995). Caecal ammonia concentrations ranged from 11 to 16 mmol N-NH3 I-!…”

Section: Dietsmentioning

confidence: 99%

Effect of type of lucerne hay on caecal fermentation and nitrogen contribution through caecotrophy in rabbits

García

Blas²,

Carabaño³

et al. 1995

Reprod. Nutr. Dev.

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Prediction of the nutritive value of lucerne hay in diets for growing rabbits

Cited by 33 publications

References 7 publications

Digestibilidade aparente dos nutrientes de dietas simplificadas baseadas em forragens para coelhos em crescimento

Digestibilidade aparente dos nutrientes de dietas simplificadas baseadas em forragens para coelhos em crescimento

Resources allocation in reproductive rabbit does: a review of feeding and genetic strategies for suitable performance

Effect of type of lucerne hay on caecal fermentation and nitrogen contribution through caecotrophy in rabbits

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