No abstract
Esta revisão teve como objetivo avaliar a evolução da avicultura em vários aspectos, bem como sua produção e tendência ao consumo no Brasil e no mundo. O espaço ocupado pelo Brasil atualmente, foi devido à intensificação no seu processo de produção, relacionado a fatores como introdução de novas tecnologias melhoria genética, uso de instalações mais apropriadas e alimentação racional. As inúmeras inovações na área de genética, nutrição, sanidade e no processo produtivo de forma geral, possibilitaram a produção de frangos com mais peso, em menos tempo e com menor consumo de ração são alguns dos diversos fatores que contribuíram para que o setor alcançasse o patamar atual.
The research was conducted at the experimental farm of the Agricultural College of Bom Jesus, which is located at 135 km 3 BR, in the region of the valley Gurguéia southern state of Piauí. We used 10 crossbred cows of Holstein x Gir. The experimental design was completely randomized with two treatments (the pastures of grasses Andropogon gayanus and Brachiaria decumbens), with five replicates (five animals per treatment). The trial lasted five days. Two evaluations were made with duration of 24 hours each, conducted during a day, and the average of the two ratings was used in the statistical analyzes. The evaluations were performed on 20 to 24 July 2013. The cows grazed more time in the morning around 7-10 hours and late afternoon extending into the night with peak until 19:00 hours. The idle time was greater at the end of the night that matches the period of reduced grazing activity. The cows grazed more time during the day in the pasture of Brachiaria decumbens (8.53 hours) compared to pasture Andropogon gayanus (8.03 hours). With respect to time grazing night, the situation was reversed, the animals grazed longer during the day and slowed down during the night (3.16 hours grazing) in the pasture of Brachiaria decumbens. The animals had a higher number of bits (14128.92) in grazing Brachiaria decumbens compared to Andropogon gayanus (10134.00).
RESUMO:O presente artigo apresenta resultados de estudos que tem por objetivo fornecer informações sobre o êxodo rural na região Nordeste, visando incentivar as organizações governamentais a promover movimentos sociais no campo que priorize o pequeno agricultor a desenvolver suas atividades agrícolas. Entre as causas desse processo, a falta de emprego e o poder atrativo que as cidades exercem sobre a população rural, são as mais frequentes. Diante disso, as informações apresentadas neste trabalho serão de fundamental relevância para a criação de políticas públicas visando o aperfeiçoamento do pequeno agricultor com técnicas agrícolas.Palavras-chave: Migrações. Subsídio. Geração de emprego e renda. CAUSES AND RURAL EXODUS AFTERMATH IN NORTHEASTERN BRAZIL SUMMARY: This article presents results of studies which aims to provide information on the rural exodus in theNortheast, aiming to encourage government organizations to promote social movements in the field that prioritizes small farmers to develop their agricultural activities. Among the causes of this process, the lack of jobs and the attractive power that cities have on the rural population, are the most frequent. Therefore, the information presented in this paper will be of key importance for the creation of public policies for the improvement of small farmers with agricultural techniques.
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