Physiological response of dromedary camels to road transportation in relation to circulating levels of cortisol, thyroid hormones and some serum biochemical parameters
Physiological response of dromedary camels to road transportation in relation to circulating levels of cortisol, thyroid hormones and some serum biochemical parameters
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DOI：
10.1007/s11250-009-9385-9
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发表时间：
2010-01-01
影响因子：
1.7
通讯作者：
Saeb, S.
中科院分区：
文献类型：
--
作者：
Saeb, M.;Baghshani, H.;Saeb, S.
运输通常被认为是压力的主要原因之一，在经济和动物福利方面都引起了相当大的兴趣。本研究的目的是确定单峰骆驼的生理反应，公路运输的循环水平的皮质醇，甲状腺激素和一些血清生化因子在夏季条件。十只伊朗单峰骆驼，五只雄性和五只雌性，被选为研究对象。该研究于2008年8月连续三天进行。第一天，在08：30 a.m.采集血样，09：30 a.m.和01：30 p.m.，以确定由于昼夜变化或由于食物和水剥夺5小时而导致的个体测量值的任何可能变化。第2天上午8：30开始行驶5小时，共行驶约300公里。在第二天，在08：30 a.m.，运输1小时后，上午09：30，运输结束时，卸货后，下午01：30。到达后24小时采集最终血样。在本研究中，在每个采样时间，未观察到性别之间的任何参数存在显著差异。与运输前一天相关的数据在不同时间之间没有显著差异，除了在下午01：30获得的皮质醇值与08：30和09：30的数据相比显着降低。运输后循环皮质醇、T-4、T-3和fT（4）水平显著高于运输前值，并在运输后24小时内恢复至基础值。运输对代谢有影响，表现为葡萄糖、NEFA和尿素氮的血清浓度增加。运输终止后24小时，最终出血时血糖、NEFA和尿素氮的血清浓度恢复至基础值。在本研究中，运输对fT（3）、甘油三酯、胆固醇、β-羟基丁酸酯、白蛋白和总蛋白的血清浓度没有显著影响。总之，单峰骆驼的短途公路运输所获得的结果显示出强烈的生理反应，并提供了一些生物标志物，在这个物种的压力检测。需要进一步研究来验证这些潜在的生物标志物。
Transportation is often considered as one of the main causes of stress raising considerable interest, both in economic and animal welfare terms. The objective of the current study was to determine physiological response of dromedary camels to road transportation in relation to circulating levels of cortisol, thyroid hormones and some serum biochemical factors during summer conditions. Ten Iranian dromedary camels, five males and five females, were selected for the study. The study was conducted on three consecutive days in August 2008. At first day, blood samples were collected at 08:30 a.m., 09:30 a.m. and 01:30 p.m. to determine any possible variation in individual measurements due to diurnal changes or as a result of food and water deprivation for 5 h. Travel commenced on day 2 at 08:30 a.m. for 5 h, with a total of about 300 km traveled. At second day, blood samples were collected immediately before loading, at 08:30 a.m., after 1 h transport, at 09:30 a.m., and on the end of transportation, after unloading, at 01:30 p.m. Final blood sample was taken 24 h after arrival. In the current study no significant difference was observed in any parameter between sexes at each sampling time. The data related to day before transport had no significant differences between different times except for values obtained for cortisol that at 01:30 p.m. showed a significant decrease in comparison with data at 08:30 and 09:30. Circulating cortisol, T-4, T-3 and fT(4) levels was significantly higher after transportation compared with pre-transport values and returned to basal values within 24 h after transport. Transportation had effects on metabolism as demonstrated by increase in serum concentrations of glucose, NEFA, and urea nitrogen. Serum concentrations of glucose, NEFA, and urea nitrogen returned to basal values in final bleeding at 24 h after transport termination. In the current study transportation had no significant effects on serum concentrations of fT(3), triglycerides, cholesterol, beta-hydroxybutyrate, albumin and total protein. Taken together, the results obtained for short road transportation of dromedary camels showed a strong physiological response and provide some biomarkers for stress detection in this species. Further research to validate these potential biomarkers is necessary.