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Effect of feed restriction and different crude protein sources on the performance, health status and carcass traits of growing rabbits

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Effect of feed restriction and different crude protein sources on the performance, health status and carcass traits of growing rabbits

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dc.contributor.author Uhlířová, L. es_ES
dc.contributor.author Volek, Z. es_ES
dc.contributor.author Marounek, M. es_ES
dc.contributor.author Tůmová, E. es_ES
dc.date.accessioned 2016-06-24T11:43:09Z
dc.date.available 2016-06-24T11:43:09Z
dc.date.issued 2015-12-23
dc.identifier.issn 1257-5011
dc.identifier.uri http://hdl.handle.net/10251/66436
dc.description.abstract [EN] We evaluate the effect of the crude protein source (CP) in combination with 2 feeding strategies (AL: ad libitum or R: restricted) on the performance, health status and carcass traits of growing-fattening rabbits (between 33 and 75 d of age). Two experimental diets were formulated; the first containing soybean meal (SBM: 70 g/kg) as the main CP source and the second containing white lupin seeds (WLS: 105 g/kg) as the main CP source. A total of 160 weaned Hyplus rabbits (774±10 g live weight) were randomly allocated to the experimental groups, combination of feeding strategy and diet (AL SBM, R SBM, AL WLS and R WLS; 40 rabbits per group with 4 rabbits per cage), for 42 d. The feeding programme was applied as follows: both the AL SBM and AL WLS rabbits were fed ad libitum for the entire fattening period, whereas the R SBM and R WLS rabbits were subjected to feed restriction between 33 and 47 d of age (75% of the ad libitum intake). Afterwards, all restricted rabbits were fed ad libitum until 75 d of age. Regardless of the CP source, the feed restriction reduced the final live weight by 83 g, chilled carcass weight by 65 g, and dressing out percentage by 0.9 percentage points (P<0.05). There was a higher chilled carcass weight (+114 g; P=0.001) and reference carcass weight (+91 g; P=0.001) in rabbits fed with WLS diet than in rabbits fed with SBM diet. No dead or morbid rabbits were observed in restricted rabbits during the restriction period. There was no effect of the diet on the health of rabbits. However when the rabbits of AL SBM and AL WLS group were compared did we observe a lower number of rabbits at sanitary risk in AL WLS group (2 vs. 12 rabbits, P=0.006). In conclusion, the growth performance was not affected by the crude protein source, and no interaction between dietary CP source and feeding regime was observed. Feed restriction regime did not improve sanitary risk index throughout the entire period. es_ES
dc.description.sponsorship This study was supported by the Ministry of Agriculture of the Czech Republic (Project No. MZERO0714) and Ministry of Education, Youth and Sport of the Czech Republic (S Project).
dc.language Inglés es_ES
dc.publisher Editorial Universitat Politècnica de València
dc.relation EAGRI/MZERO0714
dc.relation.ispartof World Rabbit Science
dc.rights Reserva de todos los derechos es_ES
dc.subject Carcass quality es_ES
dc.subject Digestive health es_ES
dc.subject Feeding regime es_ES
dc.subject Growth es_ES
dc.subject Protein source es_ES
dc.subject Rabbit es_ES
dc.title Effect of feed restriction and different crude protein sources on the performance, health status and carcass traits of growing rabbits es_ES
dc.type Artículo es_ES
dc.date.updated 2016-06-24T10:53:20Z
dc.identifier.doi 10.4995/wrs.2015.3229
dc.rights.accessRights Abierto es_ES
dc.description.bibliographicCitation Uhlířová, L.; Volek, Z.; Marounek, M.; Tůmová, E. (2015). Effect of feed restriction and different crude protein sources on the performance, health status and carcass traits of growing rabbits. World Rabbit Science. 23(4):263-272. https://doi.org/10.4995/wrs.2015.3229 es_ES
dc.description.accrualMethod SWORD es_ES
dc.relation.publisherversion https://doi.org/10.4995/wrs.2015.3229 es_ES
dc.description.upvformatpinicio 263 es_ES
dc.description.upvformatpfin 272 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 23
dc.description.issue 4
dc.identifier.eissn 1989-8886
dc.contributor.funder Ministry of Agriculture, República Checa
dc.contributor.funder Ministry of Education, Youth and Sports, República Checa
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