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The role of estradiol and cholecystokinine in hunger and satiety in female rats

Vogel, Silke (2023) The role of estradiol and cholecystokinine in hunger and satiety in female rats. Bachelor's Research Project (period 2a), Biology.


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Obesity is a chronic disorder that is mainly caused by a high-fat diet. Overeating of high-fat foods is caused by the low satiety factor of a high-fat diet. Satiety and hunger are important feelings that regulate our food intake. Behaviour and social context also play an important role in eating behaviour. In this research the influence of a high-fat and a low-fat diet on the behaviour of female Wistar rats is investigated. A behavioural analysis is performed. The rat that took the first sip out of the burette, the rat that drank the longest and the rat that presented the most dominant behaviour was scored. To conclude, there is no clear correlation between the different diets and dominant behaviour. There is however a negative correlation between the rat that takes the first sip and the weight gain of the rat. Female dominance should be tested more by using different stimuli to trigger dominance in future studies. Moreover, female dominance behaviour is an understudied topic that should be researched more in the future.

Item Type: Thesis (Bachelor's Research Project (period 2a))
Supervisor name: Jorna, L.M.
Degree programme: Biology
Thesis type: Bachelor's Research Project (period 2a)
Language: English
Date Deposited: 28 Mar 2023 14:08
Last Modified: 28 Mar 2023 14:08

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