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Rats show individual preference for short-term choice of three human diets

Yong, Chen; Halekoh, Ulrich; Jørgensen, Henry and Lauridsen, Charlotte (2004) Rats show individual preference for short-term choice of three human diets. In: Challenges to food science and technology. Abstract collection, Food Congress 2004., Levnedsmiddelcentret, p. 145.

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Summary

A preference test was conducted to investigate whether rats could distinguish among three iso-energetic and iso-nitrogeneous human diets prepared with ingredients cultivated by each of three different farming strategies: LIminusP: low input of feritlizer without pesticides, LIplusP: lowinput of fertilicer and high input of pesticides and LHplusP: high input of fertilizer and high input of pesticides. The experimental diets were formulated to meet the NRC requirements for growing rats by mixing potatoes, carrots, peas, green kales, apples, and rapeseed oil. For five days, rats (N=27) had free access to each of the three diets, and consumption of each of the diets was recorded daily. Thereafter, rats were offered a standard laboratory chow until the test was repeated. The results indicated that the majority of the rats showed individual preference for the diets and behaved similarly on different experimental days (ρ = 0.63 in repetition 1 and ρ = 0.73 in repetition 2) and in the two repetitions (τ = 0.79). However, no clear difference among the dietary treatments could be obtained.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:preference test; diet choice
Subjects: Food systems > Food security, food quality and human health
Animal husbandry > Health and welfare
Animal husbandry > Feeding and growth
Research affiliation: Denmark > AU - Aarhus University > AU, DJF - Faculty of Agricultural Sciences
Denmark > DARCOF II (2000-2005) > III.4 (OrganicHealth) Organic food and health - a multigeneration animal experiment
Deposited By: Brandt, Dr Kirsten
ID Code:5160
Deposited On:25 Jul 2005
Last Modified:12 Apr 2010 07:31
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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