Body water relations in two species of gerbil (Tatera indica indica andMeriones hurrianae) of the Indian desert |
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| Authors: | S P Goyal P K Ghosh T O Sasidharan Phool Chand |
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| Institution: | (1) Division of Animal Studies, Central Arid Zone Research Institute, 342003 Jodhpur, India;(2) Present address: Wildlife Institute of India, New Forest, 248006 Dehra Dun, India;(3) Present address: Central Sericultural Research and Training Institute, 570008 Mysore, India;(4) Present address: National Institute of Virology, 411001 Pune, India |
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| Abstract: | Summary The relative body water conservation efficiency of two Indian desert gerbil species,Meriones hurrianae (diurnal/crepuscular) andTatera indica (nocturnal), has been examined under near-natural conditons in different seasons.A mean urine osmolarity of 3180 mosmol/l (maximum 4645 mosmol/l) inM. hurrianae and a mean value of 5128 mosmol/l (maximum 7547 mosmol/l) inT. indica have been recorded during summer.Urine osmolarity and urea levels indicated that whileM. hurrianae remain sufficiently hydrated mainly by virtue of their feeding habit,Tatera indica may depend on the relatively higher concentrating capacity of their kidneys. |
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