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马提尼克岛的山羊养殖系统:管理与繁殖策略

Goat farming systems in Martinique: management and breeding strategies.

作者信息

Alexandre G, Leimbacher F, Maurice O, Domarin D, Naves M, Mandonnet N

机构信息

INRA UR 143 Unité de Recherches Zootechniques, Centre INRA-Antilles-Guyane, Domaine Duclos, 97170 Petit Bourg, Guadeloupe.

出版信息

Trop Anim Health Prod. 2009 Apr;41(4):635-44. doi: 10.1007/s11250-008-9235-1. Epub 2008 Sep 26.

Abstract

To be successful, initiatives to improve farmer's goat production should directly address the needs and objectives of the keepers while promoting rational use of local genetic resources. A survey was carried out to implement a genetic policy governing meat goat farming in Martinique (11,400 heads and 33,400 ha arable land). The questionnaire comprised a total of 27 items with 306 modalities, and included questions on farm structure, crop and animal productions, management of feeding, reproduction and health control. The sample consisted of 33 farmers with 644 ha and 2,680 goats (1,286 does and 52 bucks), 97% of does in the studied sample were crossbred, 56% of bucks were" imported" breeds (Boer or Anglo-Nubian). The number of goats per farm varied from 16 to 582. The feeding system was predominantly grazing, according to a rotation (55% of cases) or continuous grazing system (42%). On 62% of farms, the males remained with the females permanently, also 83% of farmers did not resort to methods of controlled-mating. The first criteria used for choosing animals (80 to 90% of answers) of both sex, were development and conformation. Assuming that adaptive together with productive traits are important in tropical zones, it is advisable to better define the maternal lineage of the local livestock (presently very sparse records), to improve reproduction management and culling strategies (poor and inadequate management practices do not support any genetic improvement programme), and to guide the farmers in their decisions by employing concerted interprofessional actions (choice of meat breed, market studies).

摘要

为取得成功,提高农户山羊养殖水平的举措应在促进合理利用当地遗传资源的同时,直接满足养殖者的需求并实现其目标。开展了一项调查,以实施一项针对马提尼克岛肉用山羊养殖的遗传政策(该岛有11400头山羊和33400公顷耕地)。问卷共有27个项目、306种形式,包括有关农场结构、作物和畜牧生产、饲养管理、繁殖和健康控制等问题。样本包括33位农户,拥有644公顷土地和2680头山羊(1286头母羊和52头公羊),研究样本中97%的母羊为杂交品种,56%的公羊为“进口”品种(波尔山羊或安哥拉努比山羊)。每个农场的山羊数量从16头到582头不等。饲养方式主要为放牧,采用轮牧方式的占55%,连续放牧方式的占42%。62%的农场中,公羊与母羊长期混养,83%的农户未采用人工授精方法。选择两性动物时使用的首要标准(80%至90%的回答)是发育情况和体型。鉴于在热带地区适应性和生产性状同样重要,最好能更明确地界定当地牲畜的母系谱系(目前记录非常稀少),改善繁殖管理和淘汰策略(不良且不充分的管理做法不利于任何遗传改良计划),并通过跨行业协同行动(肉用品种选择、市场研究)来指导农户做出决策。

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