Article (Scientific journals)
Characteristics of smallholders’ goat production systems and effect of Boer crossbreeding on body measurements of goats in Burundi
Manirakiza, Josiane; Hatungumukama, G.; Besbes, B. et al.
2020In Pastoralism, 10 (1)
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Keywords :
Agro-ecological zones; Body measures; Burundi; Goat genetic resources; Least square means; Multivariate analysis; Production systems
Abstract :
[en] As part of a national action plan to manage animal genetic resources in Burundi, we characterized smallholders’ goat production systems and assessed the effect of Boer crossbreeding on animal body measures. To that end, 319 farmers were surveyed in the five agro-ecological zones of Burundi and the zootechnical measures of 939 adult goats were taken. Cluster analysis of the goat production systems resulted into two opposed groups and one intermediate. On the one hand, there are the dry lowlands systems characterized by large herds composed mainly of indigenous animals grazing freely, and having high market characteristics. On the other hand, there are the humid highlands systems characterized by small herds composed of indigenous and crossbred animals in stall feeding or herding/tethering systems, and by low market characteristics. Fixed effect linear models were used to evaluate the effect of Boer crossbreeding on body weights and linear body measures, after adjustment for age, sex, grazing systems and agro-ecological zones. Results showed that least square means for body weights of adult Boer crossbreds were 4.74 kg higher than those of indigenous goats, which was lower than expected. Least square means for linear body measures of Boer crossbreds were significantly higher than those of indigenous breeds: differences in chest girth, body length and height at withers were 4.88 cm, 5.59 cm and 4.82 cm, respectively. Goats were heavier and greater in linear measures in lowlands than in highlands. The advantages and issues of a selection programme within indigenous breeds are discussed as an alternative to the crossbreeding programme. © 2020, The Author(s).
Disciplines :
Animal production & animal husbandry
Author, co-author :
Manirakiza, Josiane ;  Department of Animal Health and Productions, Faculty of Agriculture and Bio-Engineering, University of Burundi, Bujumbura, BP 2940, Burundi
Hatungumukama, G.;  Department of Animal Health and Productions, Faculty of Agriculture and Bio-Engineering, University of Burundi, Bujumbura, BP 2940, Burundi
Besbes, B.;  Animal Production and Health Division, FAO, Viale delle Terme di Caracalla, Rome, 00153, Italy
Detilleux, Johann ;  Université de Liège - ULiège > Dpt. de gestion vétérinaire des Ressources Animales (DRA) > Génétique quantitative
Language :
English
Title :
Characteristics of smallholders’ goat production systems and effect of Boer crossbreeding on body measurements of goats in Burundi
Publication date :
2020
Journal title :
Pastoralism
eISSN :
2041-7136
Publisher :
Springer
Volume :
10
Issue :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
National Agriculture and Food Research Organization, NARO
Available on ORBi :
since 06 October 2020

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