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首页> 外文期刊>Tropical Animal Health and Production >Effects of strain, sex, and season on body weight development of cane rat (Thryonomys swinderianus) in the humid tropics
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Effects of strain, sex, and season on body weight development of cane rat (Thryonomys swinderianus) in the humid tropics

机译：潮湿热带植物大鼠体重发展的菌株，性和季节对潮湿的热带

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摘要

The effects of strain (G), sex (H), and season (S) on live weight development of cane rats (Thryonomys swinderianus) reared in captive system were investigated during the dry (35.95 degrees C) and wet seasons (25.81 degrees C) from February to August of a tropical environment. The field experiment took place at the University of Ibadan. Seventy-nine cane rats spreading among three genotypes (Bamidele, FRIN, and Lawole) of different age and body weight groups were randomly distributed into cages using randomized complete block design in factorial. Data on live weight collected at 30 days interval over the experimental period was submitted for statistical analysis using the factorial ANOVA procedures of SAS (R) (2012). Strain was fixed factor while sex and season were random factors. Mean separation showed that G, H, S, and GxH, significantly (P & 0.05) affected live weight development of cane rats. GxH revealed sexual dimorphism. GxS and GxHxS did not demonstrate significant (P & 0.05) effects on live weight development in model. GxS showed mean weight gain levels of 0.21, 0.15, and 0.07 kg between wet and dry season for Bamidele, FRIN, and Lawole. The superiority of growth rate among genotypes between seasons were 57.1, 14.3, and 7.14 g/month for Bamidele & FRIN & Lawole, respectively. Lawole recorded highest body weight of 2.50 and 3.78 kg for female and male. FRIN recorded highest mixed body weight of 3.06 kg, highest body weights of 2.99 and 3.14 kg for dry and wet seasons. Bamidele demonstrated least average live weights of 2.76 and 2.97 kg for dry and wet seasons, the least body weight fluctuations between months in seasons and between seasons. Knowledge on the performance of cane rat genotypes by sex and season in captivity will provide information on adaptability to season and management systems for cane rat.
机译：在干燥（35.95摄氏度）和湿季节（25.81℃ ）从2月到八月的热带环境。该田间实验发生在伊巴丹大学。在不同年龄和体重组的三种基因型（Bamidele，Frin和喇叭）中蔓延的七百九个甘蔗大鼠使用随机的完整块设计随机分布到笼中。在实验期间30天收集的实时重量的数据进行统计分析，使用SAS（R）（2012年）的因子ANOVA程序。菌株是固定因子，而性和季节是随机因素。平均分离表明，G，H，S和GXH，显着（P＆amp; LT; 0.05）影响蔗牛的活力发育。 GXH揭示了性二形态。 GXS和GXHXs没有表现出显着的（P＆amp; GT; 0.05）对型号的活体重发展的影响。 GXS显示平均重量增益水平为0.21,0.15和0.07kg，用于Bamidele，Frin和喇叭喇叭。 BAMIDELE＆amp的季节之间基因型的生长率之间的优越性为57.1,14.3和7.14克/月; GT; GT; Frin＆amp; 哈默喇叭。喇叭喇叭为女性和男性记录了2.50和3.78公斤的最高体重。 Frin记录的最高混合体重3.06公斤，最高体重为2.99和3.14公斤，用于干燥和潮湿的季节。 Bamidele证明了干燥和潮湿的季节为2.76和2.97公斤的平均活力，在季节和季节之间的数月之间最少的体重波动。关于穴居和赛季穴位基因型的表现的知识将提供有关甘蔗大鼠季节和管理系统的适应性的信息。

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