Indices to nutritional status of domestic and wild rabbits

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Title: Indices to nutritional status of domestic and wild rabbits
Author: Henke, Scott E
Abstract: Serum and vitreous humor constituents at time of death (TOD ) and vitreous humor constituents at TOD and 7 postmortem intervals (PMI ) were compared in 70 domestic , female New Zealand white rabbits (Oryctolagus cuniculus ) . Urea nitrogen (UN ) was different but correlated in serum and vitreous humor at TOD and the 4 - and 8 -hr PMI's . Gamma glutamyltransferase (GGT ) was similar but not correlated in serum and vitreous humor at TOD and in vitreous humor at TOD and the 4 -hr PMI . The remaining vitreous humor constituents were neither similar to nor predictive of serum constituents . The vitreous humor can be used as a source for estimates of serum UN and GGT up to 8 -hrs and 4 -hrs postmortem , respectively . The responses of serum and vitreous humor constituents to two levels of handling stress were compared in 20 adult , male black -tailed jackrabbits (Lepus californicus ) . Vitreous humor constituents were similar to or linearly correlated to serum constituents for UN , glucose , triglycerides , GGT , creatine phosphokinase (CPK ) , and glutamic -oxaloacetic transaminase (GOT ) . The remaining vitreous humor constituents were neither similar to nor predictive of serum constituents . Vitreous humor UN , glucose , triglycerides , and cholesterol , and serum glucose , cholesterol , total protein , GGT , lactic dehydrogenase (LDH ) , CPK , and GOT were affected by handling stress . The vitreous humor could be a source for estimates of total protein , albumin , GGT , LDH , CPK , and GOT in cases where acute handling stress could bias serum values once additional baseline vitreous humor constituent values are determined . The responses of serum and vitreous humor constituents to two levels of nutrition were compared in 23 adult , male black -tailed jackrabbits . The vitreous humor constituents were similar or linearly correlated to serum constituents for UN , triglycerides , CPK , and GOT . The remaining vitreous humor constituents were neither similar to nor predictive of serum constituents . Vitreous humor cholesterol , albumin , total protein , and GGT , and serum UN , triglycerides , cholesterol , total protein , albumin , and GGT were affected by 25 % feed restriction . Vitreous humor has potential as a source for biochemical indicators of nutritional intake once additional baseline vitreous humor constituent values are determined . Responses of blood , urine , and physical condition indices in 23 adult , male black -tailed jackrabbits to ad libitum feed and 25 % feed restriction were measured during 30 May -12 June 1988 . Feed restricted jackrabbits had lower post -trial body weights and kidney fat indices , higher femur marrow fat , higher serum bilirubin and serum Cortisol , and depressed immune function . No one index alone could best measure the nutritional status of jackrabbits . A serological survey for Rocky Mountain spotted fever (RMSF ) (Rickettsia rickettsii ) / Boreiia spp . including Boreiia burgdorferi the causative agent for Lyme disease , and sylvatic plague (Yersinia pestis ) was conducted on blood samples from 30 and 4 6 black -tailed jackrabbits during 1 to 7 December 1987 and 30 April to 8 May 1988 , respectively . Positive antibody titers to RMSF , borreliosis , and plague were detected in 28 , 1 , and 0 % of the jackrabbits , respectively . Rickettsiae , spirochetes , or associated antigens were not detected in the tissues or whole blood samples ; plague antibodies were not detected in any of the 7 6 jackrabbits sampled . Four of 18 ticks (Dermacentor parumapertus ) removed from 12 jackrabbits tested positive for RMSF by the fluorescent antibody test . Black -tailed jackrabbits possibly are reservoir hosts for RMSF in western Texas . Due to the absence of the normal tick vectors and deer in the study area , it is doubtful that Lyme disease is an inqportant zoonosis in urban environments of western Texas .
URI: http : / /hdl .handle .net /2346 /15086
Date: 1988-12

Citation

Indices to nutritional status of domestic and wild rabbits. Master's thesis, Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /15086 .

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