Reis Luis Souza Lima de Souza, Pardo Paulo Eduardo, Oba Eunice, Kronka Sergio do Nascimento, Frazatti-Gallina Neuza Maria
Departamento de Pos-graduacao, Universidade do Oeste Paulista, UNOESTE, Presidente Prudente, SP, CEP 19067-175, Brazil.
J Vet Sci. 2006 Jun;7(2):189-92. doi: 10.4142/jvs.2006.7.2.189.
Matricaria chamomilla CH12 is a phytotherapeutic or homeopathic product, which has been used to reduce stress. Here, we examined its effect on preventing handling stress in bovines. Sixty Nelore calves were randomly distributed into two equal groups. One group was administered Matricaria chamomilla CH12 in diet and the other the 'control' was not. Animals in both groups were maintained unstressed for 30 days to adjust to the feeding system and pasture, and were then stressed by constraint on the 31th, 38th, 45th and 60th experimental days. Blood samples were taken on these days after animals had been immobilization in a trunk contention for 5 min. Stress was followed by analyzing serum cortisol levels. These peaked on the 45th day and then decreased, but not to baseline, on the 60th day. On the 45th day cortisol levels were significantly lower in animals fed Matricaria chamomilla CH12, suggesting that this product reduces stress. These effects may be a consequence of its inhibiting cortisol production and its calming and anxiolytic effects.
母菊花CH12是一种植物疗法或顺势疗法产品，已被用于减轻压力。在此，我们研究了其对预防牛的处理应激的作用。60头内罗尔犊牛被随机分为两组，每组数量相等。一组在日粮中添加母菊花CH12，另一组为“对照组”，不添加。两组动物均在无应激状态下饲养30天以适应饲养系统和牧场，然后在实验的第31天、38天、45天和60天施加约束应激。在这些日子里，动物在躯干固定器中固定5分钟后采集血样。通过分析血清皮质醇水平来跟踪应激情况。皮质醇水平在第45天达到峰值，然后下降，但在第60天未降至基线水平。在第45天，饲喂母菊花CH12的动物的皮质醇水平显著较低，表明该产品可减轻应激。这些作用可能是其抑制皮质醇产生以及具有镇静和抗焦虑作用的结果。
