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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Caracterização dos produtores, sistemas de criação e lã de ovinos no litoral sul do Peru / Characterization of wool, breeders and sheep farming systems from southern coast of Peru

Montesinos, Iván Salamanca 25 July 2016 (has links)
Submitted by Cássia Santos (cassia.bcufg@gmail.com) on 2016-10-17T14:11:42Z No. of bitstreams: 2 Tese - Ivan Salamanca Montesinos - 2016.pdf: 3788684 bytes, checksum: da4ce71fec2de6c3abbd618af3a5f6e8 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Jaqueline Silva (jtas29@gmail.com) on 2016-10-17T17:18:59Z (GMT) No. of bitstreams: 2 Tese - Ivan Salamanca Montesinos - 2016.pdf: 3788684 bytes, checksum: da4ce71fec2de6c3abbd618af3a5f6e8 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2016-10-17T17:18:59Z (GMT). No. of bitstreams: 2 Tese - Ivan Salamanca Montesinos - 2016.pdf: 3788684 bytes, checksum: da4ce71fec2de6c3abbd618af3a5f6e8 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2016-07-25 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / In Peru, sheep farming is an important activity for smallholders, which breed these ruminants seeking the consumption and sale of subproducts. This study aimed to characterize the sheep breeders, their productive systems, as well as macroscopic and microscopic wool qualities, on flocks in the municipality of Ite, Tacna region, southern coast of Peru. In 2012, eight shepherds from Humedales and 24 smallholders from farms were interviewed, using a questionnaire. Also fleeces of wool were sampled on 20 creole sheep from Humedales, 20 creole sheep from farms, and six Hampshire Down crossbreds. Results evidenced two types of family sheep farming, according to environment and type of breeder, both cases dedicated to meat production with creole and crossbred sheep. It was verified a little technical assistance and government attention, empiric management and flocks presenting regular to low productivity. The wool of the three groups showed mostly short fibers, appropriated for industrial textile processing; however, creole sheep from Humedales presented longer fibers, tending to artisanal use. Wool fibers of creole sheep were entrefine and comfortable. In Ite, sheep farming is commercial or subsistence, but the producers can remain on market, because sheep meat is appreciated in the region and the breeding practiced since colonial times. Creole sheep showed certain productive advantages, in relation to crossbreds, although suffer absorbent crossbreedings, which can cause extinction risk at this locality. Is recommend the continuity of studies on Ite’s creole sheep, to conserve and exploring their unknown zootechnical qualities, aiming a sustainable sheep farming in southern Peru. / No Peru, a ovinocultura é uma importante atividade para os pequenos produtores, os quais criam esses ruminantes buscando o consumo e venda de subprodutos. Este estudo objetivou caracterizar os ovinocultores, seus sistemas de produção, assim como qualidades macroscópicas e microscópicas da lã, em rebanhos no município de Ite, região Tacna, litoral sul do Peru. Em 2012, foram entrevistados oito pastores dos Humedales e 24 agricultores das chácaras, usando um questionário. Também foram amostradas mechas de lã em 20 ovelhas crioulas dos Humedales, 20 crioulas das chácaras e seis mestiças Hampshire Down. Os resultados evidenciaram dois tipos de ovinocultura familiar, segundo ambiente e tipo de criador, ambos os casos dedicados ao corte com ovinos crioulos e mestiços. Verificou-se pouca assistência técnica e atenção governamental, manejo empírico e rebanhos presentando regular a baixa produtividade. A lã dos três grupos mostrou majoritariamente fibras curtas, apropriadas para processamento têxtil industrial, no entanto, as crioulas dos Humedales apresentaram fibras mais longas, com tendência para uso artesanal. As fibras das ovelhas crioulas eram entrefinas e confortáveis. Em Ite, a ovinocultura é comercial ou de subsistência, mas os produtores conseguem manter-se no mercado, porque a carne ovina é apreciada na região e a criação praticada desde épocas coloniais. Os ovinos crioulos mostraram certas vantagens produtivas, em relação aos mestiços, embora sofram cruzamentos absorventes, que podem causar risco de extinção nesta localidade. Recomenda-se continuar os estudos dos ovinos crioulos de Ite, para conservar e explorar suas qualidades zootécnicas desconhecidas, visando uma ovinocultura sustentável no sul do Peru.

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