Article (Scientific journals)
Growth and carcass performances of guinea fowls reared under intensive system in Benin
Houndonougbo, Pascal; REIS MOTA, Rodrigo; Chrysostome, A.A.M. Christophe et al.
2017In Livestock Research for Rural Development, 29 (10)
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Keywords :
genetic correlation; genetic improvement; management condition; phenotypic variability; productivity
Abstract :
[en] Several local guinea fowl varieties continued to be reared in extensive systems in Benin, even though productivity remains low. Improving rearing conditions through feeding and housing may enhance local guinea fowls productivity in Benin. Therefore, the objective of this study was to verify growth and carcass performances of five (Common, Bonaparte, Grey, White and Black) local guinea fowl varieties under intensive management conditions. At birth, 36 keets (young guinea fowls) of each identified variety were randomly divided into six batches and reared up to 16 weeks old under the same feeding and housing conditions. Body weights were recorded up to week 15. At week 16, carcass measurements were also taken. Growth performances and carcass measurements (morphological and visceral) differed among guinea fowl varieties. The heaviest body weight was observed in Common (832±24g) and the lowest in Black variety (698±39g). Highest carcass yield was observed in Grey variety. Liver weight, intestine length and caecum length were highest in Bonaparte variety. Gizzard weight and thigh proportion were highest in Common variety. Breast weight and breast proportion were highest in Grey guinea fowls. Body weight was moderately correlated with drumstick length, body length, wing size, tarsus diameter, thigh length and thorax circumference (range r = 0.34-0.60). The phenotypic variability and its impact on the characterization of these varieties implies that they are genetically different strains, supporting the hypothesis that the guinea fowl population in Benin presents opportunities for genetic improvement.
Research center :
TERRA Teaching and Research Centre - TERRA
Disciplines :
Genetics & genetic processes
Author, co-author :
Houndonougbo, Pascal ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
REIS MOTA, Rodrigo ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Ingénierie des productions animales et nutrition
Chrysostome, A.A.M. Christophe
Bindelle, Jérôme  ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Ingénierie des productions animales et nutrition
Hammami, Hedi ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Ingénierie des productions animales et nutrition
Gengler, Nicolas  ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Ingénierie des productions animales et nutrition
Language :
English
Title :
Growth and carcass performances of guinea fowls reared under intensive system in Benin
Publication date :
2017
Journal title :
Livestock Research for Rural Development
eISSN :
0121-3784
Publisher :
Fundación CIPAV, Cali, Colombia
Volume :
29
Issue :
10
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Caractérisation phénotypique des populations de pintades (Numida meleagris) locales élevées au Bénin
Available on ORBi :
since 03 November 2017

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