博茨瓦纳夏季鸡舍设计和位置对肉鸡生产和经济性能的影响

IF 1.1 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
HJ Chepete, E. Thipe, P. Emesu, B. Sebolai, K. Kgosikoma
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Effect of Housing Design and Location on Production and Economic Performance of Broiler Chickens during Summer in Botswana
Botswana experiences long, hot summer periods which negatively affect broiler productivity and results in economic losses. To determine these negative effects, two parallel broiler production studies were conducted in the North eastern (NE) and South eastern (SE) regions. In each region, three large scale commercial broiler farms were randomly selected based on similarities in bird management and housing systems. In each farm, one house type (Gable, Hoop and See-saw) was selected for long term flock monitoring (1 to 35 days) over three production cycles. Results showed that the production performance of the broilers in the SE region was superior to that in the NE region, with temperatures on being average higher in the NE than in the SE. The European Production Efficiency Factor (EPEF) was significantly higher ( p <0.05) in the SE (209) than in the NE (174). In the NE region, the broilers reared in the Hoop structure performed significantly better ( p <0.05) than in both the Gable and See-saw structures in regards to feed consumption, average daily gain, and water consumption. In the SE region, only water consumption was significantly higher ( p <0.05) in the Gable structure as compared to the other house structures. At the point of slaughter (35 days), there were significant differences ( p
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来源期刊
Brazilian Journal of Poultry Science
Brazilian Journal of Poultry Science 农林科学-奶制品与动物科学
CiteScore
1.80
自引率
9.10%
发文量
60
审稿时长
>12 weeks
期刊介绍: A Revista Brasileira de Ciência Avícola surgiu em 1999 a partir da necessidade que a comunidade científica possuía de um periódico para veiculação e publicação de seus trabalhos, com a publicação de três números anuais. A Revista conta hoje com um corpo editorial altamente qualificado e com artigos científicos desenvolvidos pelos maiores especialistas da área, o que a cada dia atrai mais leitores em busca de inovação e respaldo técnico. Devido à credibilidade que conquistou pelos esforços de sus autores, relatores e revisores, a Revista ganhou caráter de coleção, sendo consultada como fonte segura de estudo desenvolvidos na Avicultura. A partir de 2003 – volume 5 -, a Revista passou a chamar-se Brazilian Journal of Poultry Science, e todos os trabalhos passaram a ser publicados em inglês. No mesmo ano subiu para quatro o número de revistas por volume, ampliando-se assim os trabalhos publicados anualmente.
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