Production, carcass traits and meat quality of rabbits housed in cages or in different pens were compared. Rabbits (n=579) were sorted into 5 groups: C=cage (2 rabbits/cage); pen without platform: P11=9 rabbits/pen; P16=14 rabbits/pen; pen with platform: PW=wire net platform, 14 rabbits/pen; PD=platform with straw-litter, 14 rabbits/pen. Feed intake and average daily gain between 5 and 11 weeks, and body weight at 11 weeks were significantly higher in C rabbits than that of the mean of pen-housed groups, while the PD group had the lowest growth performance. C rabbits had the smallest hind part to reference carcass (P<0.001) and the largest percentage of perirenal and scapular fat (P<0.001). The meat/bone ratio was the largest in group C (P<0.05). Differences were recorded in a* value and lipid content of m. Longissimus dorsi. Rabbits housed in cages generally had the best performance whereas those housed in pens with platform exhibited the worst.
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http://dx.doi.org/10.1016/j.meatsci.2013.07.001 | DOI Listing |
Poult Sci
December 2024
Department of Veterinary Medicine, University of Bari Aldo Moro, S.P. per Casamassima km 3, Valenzano, BA 70010, Italy.
The purpose of this work was to ascertain the impact of dietary inclusion of Dunaliella salina (Ds) and Arthrospira platensis (Ap) mixture as growth promoters on growth performance, carcass traits, liver and renal function, lipid profile, immunology and economics in quail chicks. 240 Un -sexed seven-day quail chicks were separated into four treatment groups with six replicates of ten chicks per group. The treatment groups are: control: basal diet; DsAp0.
View Article and Find Full Text PDFVet Med Sci
January 2025
Department of Animal Breeding and Husbandry, Istanbul University-Cerrahpasa, Istanbul, Türkiye.
Background: Obtaining information about the growth rates of animals' organs and tissues can help understand their meat production potential and determine the ideal slaughter weight (SW).
Objectives: This study aimed to determine the effects of production system and SW on the allometric growth of the non-carcass components, carcass cuts, and hind limb tissues of Kivircik lambs.
Methods: A total of 54 single-born male lambs were randomly allocated into production systems (concentrate- and pasture-based) and SW groups: 25-26 kg (LOW), 30-31 kg (MEDIUM), and 35-36 kg (HIGH).
Foods
December 2024
Food Technology and Innovation Research Center of Excellence, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand.
Genetic differences typically cause differences in the structure and function of proteins in meat. The objective of this research was to examine the biochemical characteristics and functional behavior of proteins in fresh composite meat from Thai Ligor hybrid chicken (LC) and commercial broiler chicken (BC). The composite meat samples, which comprise minced breast and thigh without skin from 20 chicken carcasses in a 1:1 (/) ratio, were randomly selected for analysis using the completely randomized design (CRD).
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Institute of Molecular Physiology, Johannes-Gutenberg University, 55128 Mainz, Germany.
is a natural antioxidant product that has the ability to improve the performance of poultry. Therefore, the present study aimed to evaluate the effect of using as a feed additive in broiler diets. A total of 252 daily male Ross 308 chicks were randomly assigned to six groups.
View Article and Find Full Text PDFAnimals (Basel)
December 2024
State Key Laboratory of Animal Biotech Breeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
The genetic improvement of beef cattle breeds is crucial for the advancement of the beef cattle industry. Whole-genome resequencing technology has been widely applied in genetic breeding as well as research on selection signatures in beef cattle. In this study, 20× whole-genome resequencing was performed on 282 Angus cattle from the Ningxia region, and a high-quality dataset encompassing extensive genomic variations across the entire genome was constructed.
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