Non-invasive cortisol profile: A tool for reproductive stress in female tigers

Stress can be defined as any internal or external factor that affects the homeostasis of animal. The factors by which it is caused are called stressors. one known to have an impact on reproductive physiology animals in terms reduced fertility and sexual behaviour, as, believed stress hormones inhibiting effect gonadotropin releasing hormone. wild felids thought get easily stressed while capturing, which, normal hormonal profile. Non- invasive collection samples includes faeces urine from animals’ enclosure night cell captivity without disturbing routine Faecal nine adult healthy was deposited morning 24 hours were collected weekly intervals for 14 weeks cell. dried extracted cortisol ethanol, whereas, puddles floor aspirating with sterilized syringe. least average value faecal has been found third week (4269 ± 932 pg/g) tenth (5541 763 pg/mL), highest mean observed second (8652 2484 fifth (42077 31906 pg/mL) respectively. It shown a significant change between groups first trial cortisol, lowest exhibited G III (2444 1309 II (10310 2542 pg/g). However, fourth being (25250 1380 I (5183 691 pg/mL). concentration remains elevated unmated group compared mated animals.