Recursos de colección

RiuNet. Repositorio institucional de la Universitat de Valencia (73.332 recursos)

RiuNet es el Repositorio Institucional de la Universitat Politècnica de València, gestionado por la Biblioteca, cuyo objetivo es ofrecer acceso en Internet a la producción científica, académica y corporativa de la comunidad universitaria con la finalidad de aumentar su visibilidad y hacerla accesible y preservable.

Mostrando recursos 1 - 7 de 7

  1. Effect of housing system (wire cage versus group-housing) and in-house air quality parameters on the behaviour of fattening rabbits.

    Ribikauskas, Vytautas; Ribikauskiene, Daiva; Skurdeniene, Ina
    In the same room of an experimental rabbit house 2 housing systems were compared, namely three pens to keep rabbits on bedding and six wire cages for unbedded rabbit keeping. In total, 69 New Zealand White crossbred rabbits 8-12 wk old were used in the study. The rabbits were kept in groups with 0.6 m2 floor area per animal in pens with thinly scattered straw. Wire cages had no bedding and there were 4 rabbits in each cage and 0.4 m2 floor area per rabbit. The study lasted for 8 wk. Rabbit behaviour was observed once 1 wk for 24...

  2. Use of straw and wood shavings as nest material in primiparous does.

    Blumetto, Oscar; Olivas, Irene; Villagrá, Arantxa; Torres Salvador, Antonio Germán
    In rabbit production, several materials such as hay, straw, wood shavings or waste wool and cotton are used as nesting materials during parturition. In this work, straw and wood shavings were studied as potential materials for nest boxes, and a choice test was designed for this purpose. Two replicates of 30 primiparous does each were carried out. Does were housed 10 d before parturition in a double commercial cage, so each doe had access to 2 different nest boxes. One of the nests was filled with 8 cm of barley straw and the other with 8 cm of wood shavings,...

  3. Metabolic adaptations in neonatal mother-deprived rabbits.

    Brecchia, Gabriele; Zerani, Massimo; Bonano, Adriana; Boiti, Cristiano
    In order to study the metabolic adaptation in response to 48 h transient doe-litter separation (DLS) in young rabbits (5 rabbits/d group) between postnatal 9 and 11 d, plasma concentrations of thyroid hormones T3 and T4, insulin, leptin, glucose, triglycerides (TG), and free fatty acids (FFA) were examined before (6-8 d), during (9-11 d), and after separation (12-16 d). T3 concentrations in newborn control rabbits gradually increased from 0.6 ng/mL at postnatal 6 d to 1.0 ng/mL at postnatal 16 d, whereas those of T4 remained fairly constant (25 ng/mL) up to postnatal 14 d, when T4 gradually declined to...

  4. Preslaughter risk factors associated with mortality and bruising in rabbits.

    Petracci, M.; Bianchi, M.; Biguzzi, G.; Cavani, C.
    The aim of this study was to identify and quantify risk factors associated with the mortality and bruising rate prevalence in 975 commercial batches of growing rabbits delivered for slaughter. The effects of environmental temperature, batch size (number of rabbits delivered per batch), journey and lairage duration on dead on arrival (DOA) and bruising prevalence were investigated and expressed as an odds ratio (OR). This value is equivalent to the relative risk, assessing each specific factor relative to its reference category (OR=1). The overall mortality rate of 0.09% was affected by environmental temperature, batch size, journey and lairage duration. A...

  5. Effect of early feed restriction on performance and health status in growing rabbits slaughtered at 2 kg live-weight

    Romero, Carlos; Cuesta, S.; Astillero, J.R.; Nicodemus, Nuria; Blas, Carlos De
    The effect of a time-limited access to the feeders (8 h per d from 9:30 to 17:30) on fattening performance and health status was studied in rabbits reared until 2 kg live-weight as typical in the Spanish market. For this purpose, the same diet (10.5 MJ digestible energy/kg, 38.9% neutral detergent fibre and 18.4% crude protein on dry matter basis) was used over two consecutive trials. A total of 192 growing rabbits (96 in each trial) were weaned at 35 d and assigned to 2 different feeding treatments (continuously fed ad libitum or restricted from 35 until 49 d). In...

  6. Effect of dietary soluble fibre level and protein source on growth, digestion, caecal activity and health of fattening rabbits.

    Trocino, Angela; Fragkiadakis, M.; Radaelli, G.; Xiccato, Gerolamo
    From weaning (34 d of age) until slaughter (76 d), 216 hybrid rabbits were divided into six experimental groups and fed ad libitum six iso-protein (CP: 15.9% as-fed), iso-starch (9.1%) and iso-ADF (21.4%) diets formulated in a bi-factorial arrangement, with three soluble fibre levels (LS: 5.8% vs. MS: 7.4% vs. HS: 8.5%) and two protein sources (Soy: soybean meal vs. Sun: sunflower meal). The increase in dietary soluble fibre level linearly increased (PL<0.001) in vivo digestibility of dry matter (from 55.4 to 61.3%), gross energy and fibre fractions (from 14.8 to 25.7% for acid detergent fibre; from 40.3 to 49.2%...

  7. Clinical, pathological and microbiological profiles of spontaneous enteropathies in growing rabbits

    Badagliacca, P; Letizia, A.; Candeloro, L.; Provvido, A. Di; Gennaro, A. Di; Scattolini, S.; Pompei, G.; Pedicone, R.; Scacchia, M.
    In a rabbit production facility, health monitoring for enteropathies was performed in 15 production cycles for 20 mo. For each cycle, up to a hundred 35 d old rabbits weaned the same day were randomly selected, reared in the same fattening unit, but separately from the source batch and fed with the same feed except for antimicrobial supplementation. Clinical symptoms and enteric lesions of the selected group were recorded, using two checklists with binomial response (yes/no answer to a list of 54 clinical and enteric variables). The day after weaning, one week later, at the beginning of the enteric symptoms...

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