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Feeding Behavior, Body Weight and Growth Rate during Post-Deprivation Period in Rats

Food and Nutrition Sciences 2015年第14期6卷 1307-1315页

作者： Antonio López-Espinoza Alma Gabriela Martínez Moreno Virginia Gabriela Aguilera Cervantes Elia Valdé s Miramontes luis alfonso mojica contreras Monica Navarro-Meza Claudia Patricia Beltrán-Miranda Ana Cristina Espinoza-Gallardo Behavioral Feeding and Nutrition Research Center (CICAN) CUSur University of Guadalajara Guadalajara M&eacute xico

Deprivation is an environmental experience that organisms are continually exposed to. However, few studies analyze deprivation effects on the consumption pattern during the post-deprivation period systematically. The aim of this study was to evaluate the deprivation effect on feeding pattern, growth rate and body weight during post-deprivation. Sixteen albino rats (3 months old at the beginning of the experiment) were exposed to 72-hour total food deprivation every 15 days. Food and water were freely available during non-deprivation periods. Rats completed three cycles comprised by a free access period followed by food deprivation. Once deprivation was removed, food and water consumption increased and then decreased, while body weight was recovered. Growth rate increased after every deprivation period and reached similar levels to those presented by the control group. Depriving rats from one commodity (i.e., food) cause them to restrain their consumption of the other freely available commodity (i.e., water). Results confirm that food deprivation modifies growth rate, water and food consumption. Additionally, during post-deprivation period, differences between males and females were not registered.

关键词： Body Weight Food Intake Water Intake Post-Deprivation Period Growth Rate

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Synthesis and Characterization of ZnO Film on Stainless Steel Wire and Bioaerosol Antimicrobial Activity Evaluation

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Journal of Environmental Science and Engineering(A) 2015年第9期4卷 455-466页

作者： alfonso Espitia Cabrera Jose luis contreras Larios IlyaEspitia-Cabrera Ma-Teresa Nunez Cardona Doris Neri Cortes luis Raul Tovar Galvez Energy Department Metropolitan Autonomous University Azcapotzalco 02200 Mexico Chemical Engineering School Michoacan University of San Nicolas of Hidalgo Morelia 58030 Mexico Man and lts Environment Department Metropolitan Autonomous University Xochimilco 04960 Mexico Biochemistry Department Biological Sciences National School National Polytechnic Institute Mexico D.F. 07738 Mexico Interdisciplinary Centre of Research and Studies on Environment and Development National Polytechnic Institute Mexico D.F.07340 Mexico

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