Reference intervals and physiologic alterations in hematologic and biochemical values of free-ranging desert tortoises in the mojave desert

Journal of Wildlife Diseases

Volumn 35, Issue 2, 1999, Pages 212-238

  Christopher, Mary M ^a   Berry, Kristin H ^b   Wallis, I R ^c,d   Nagy, K A ^c   Henen, B T ^c,e   Peterson, C C ^c,f  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b U S GEOLOGICAL SURVEY   (United States)

^c UNIVERSITY OF CALIFORNIA   (United States)

^d AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

^e SMITHSONIAN CONSERVATION BIOLOGY INSTITUTE   (United States)

^f OKLAHOMA STATE UNIVERSITY   (United States)

Author keywords

Clinical chemistry; Desert tortoise; Gopherus agassizii; Hematology; Hibernation; Physiology; Reference range; Reference values

Indexed keywords

GOPHERUS AGASSIZII; TESTUDINIDAE;

BACTERIUM ANTIBODY; RAIN;

ANIMAL; ANIMAL DISEASE; ARTICLE; BACTERIAL INFECTION; BLOOD; BLOOD ANALYSIS; BLOOD CELL COUNT; BODY WEIGHT; DESERT CLIMATE; FEMALE; HISTOLOGY; IMMUNOLOGY; MALE; MYCOPLASMA; REFERENCE VALUE; SEASON; SEXUAL DEVELOPMENT; TURTLE; UNITED STATES;

ANIMALS; ANTIBODIES, BACTERIAL; BLOOD CELL COUNT; BLOOD CHEMICAL ANALYSIS; BODY WEIGHT; CALIFORNIA; DESERT CLIMATE; FEMALE; MALE; MYCOPLASMA; MYCOPLASMA INFECTIONS; RAIN; REFERENCE VALUES; SEASONS; SEX CHARACTERISTICS; TURTLES;

EID: 0033110780     PISSN: 00903558     EISSN: None     Source Type: Journal    
DOI: 10.7589/0090-3558-35.2.212     Document Type: Article

References (67)

1. ALLEMAN, A. R., E. R. JACOBSON, AND R. E. RASKIN. 1992. Morphologic and cytochemical characteristics of blood cells from the desert tortoise (Gopherus agassizii). American Journal of Veterinary Research 53: 1645-1651.
2. BARBOZA, P. S. 1995. Digesta passage and functional anatomy of the digestive tract in the desert tortoise (Xerobates agassizii). Journal of Comparative Physiology 165: 193-202.
3. BAZE, W. B., AND F. R. HORNE. 1970. Ureogenesis in chelonia. Comparative Biochemistry and Physiology 34: 91-100.
4. BENNETT, P. M., S. C. GASCOYNE, M. G. HART, J. K. KIRKWOOD, AND C. M. HAWKEY. 1991. Development of LYNX: a computer application for disease diagnosis and health monitoring in wild mammals, birds and reptiles. The Veterinary Record 128: 496-499.
5. BERRY, K. H. 1997. Demographic consequences of disease in two desert tortoise populations in California, USA. In Proceedings: Conservation, Restoration, and Management of Tortoises and Turtles, An International Conference. J. Van Abbema (ed.). Wildlife Conservation Society Turtle Recovery Program and the New York Turtle and Tortoise Society, New York, New York, pp. 91-99.
6. BLAKEY, C. S. G., AND J. K. KIRKWOOD. 1995. Body mass to length relationships in chelonia. The Veterinary Record 136: 566-568.
7. BOLTEN, A. B., AND K. A. BJORNDAL. 1992. Blood profiles for a wild population of green turtles (Chelonia mydas) in the southern Bahamas: size-specific and sex-specific relationships. Journal of Wildlife Diseases 28: 407-413.
8. _, E. R. JACOBSON, AND K. A. BJORNDAL. 1992. Effects of anticoagulant and autoanalyzer on blood biochemical values of loggerhead sea turtles (Caretta caretta). American Journal of Veterinary Research 53: 2224-2227.
9. BROWN, M. B., I. M. SCHUMACHEH, P. A. KLEIN, K. HARRIS, T. CORRELL, AND E. R. JACOBSON. 1994. Mycoplasma agassizii causes upper respiratory tract disease in the desert tortoise. Infection and Immunity 62: 4580-4586.
10. _, K. H. BERRY, I. M. SCHUMACHER, K. A. NAGY, M. M. CHRISTOPHER, AND P. A. KLEIN. 1999. Seroepidemiology of upper respiratory tract disease in the desert tortoise. Journal of Wildlife Diseases 35: In press.
11. BURGE, B. L., AND W. G. BRADLEY. 1976. Population density, structure, and feeding habits of the desert tortoise (Gopherus agassizii), in a low desert study area of southern Nevada. In Proceedings of the Desert Tortoise Council Symposium, N. J. Engberg, S. Allan, and R. L. Young, (eds.). Desert Tortoise Council, Long Beach, California, pp. 51-74.
12. BURTIS, C. A., AND E. R. ASHWOOD. 1994. Tietz textbook of clinical chemistry, 2nd edition. W. B. Saunders, Philadelphia, Pennsylvania, 2326 pp.
13. CAMPBELL, T. 1988. Avian hematology and cytology. Iowa State University Press, Ames, Iowa, 101 pp.
14. CHRISTOPHER, M. M., R. BRIGMON, AND E. JACOBSON. 1994. Seasonal alterations in plasma β-hydroxybutyrate and related biochemical parameters in the desert tortoise (Gopherus agassizii). Comparative Biochemistry and Physiology 108A: 303-310.
15. _, K. NAGY, C. PETERSON, B. T. HENEN, M. A. WILSON, J. LONGMATE, AND E. R. JACOBSON. 1992. Laboratory health profiles of free-ranging desert tortoises in California: Use of clinicopathologic data in the evaluation of physiologic and pathologic alterations (May 1989-March 1990). Report to U.S. Department of the Interior, Bureau of Land Management, Contract No. B950-C1-0060, Riverside, California, 125 pp.
16. _, _, I. WALLIS, AND K. H. BERRY. 1997. Laboratory health profiles of desert tortoises in the Mojave Desert: a model for health status evaluation of chelonian populations. In Proceedings: Conservation, Restoration, and Management of Tortoises and Turtles, An International Conference. J. Van Abbema (ed.). Wildlife Conservation Society Turtle Recovery Program and the New York Turtle and Tortoise Society, New York, New York, pp. 76-82.
17. DANTZLER, W. H., AND B. SCHMIDT-NEILSEN. 1966. Excretion in fresh-water turtle (Pseudemys scripta) and desert tortoise (Gopherus agassizii). American Journal of Physiology 2110: 198-210.
18. DESSAUER, H. C. 1974. Plasma proteins of reptilia. In Chemical zoology, Vol. 9. M. Florkin and B. T. Scheer (eds). Academic Press, New York, New York, pp. 187-216.
19. DICKINSON, V. M., T. DUCK, C. R. SCHWALBE, AND J. L. JARCHOW. 1995. Health studies of free-ranging Mojave Desert tortoises in Utah and Arizona. Arizona Game and Fish Department Research Branch Technical Report No. 21, Phoenix, Arizona, 70 pp.
20. _, J. L. JARCHOW, AND M. H. TRUEBLOOD. 1996. Health studies of free-ranging Sonoran Desert tortoises in Arizona. Arizona Game and Fish Department Research Branch Technical Report No. 24, Phoenix, Arizona 79 pp.
21. DUNCAX, J. R., K. W. PRASSE, AND E. MAHAFFEY. 1994. Veterinary laboratory medicine: clinical pathology. Iowa State University Press, Ames, Iowa, 300 pp.
22. FISH AND WILDLIFE SERVICE. 1994. Desert tortoise (Mojave population) recovery plan. U.S. Fish and Wildlife Service, Portland, Oregon. 73 pp.
23. GERMANO, D. J. 1992. Longevity and age-size relationships of populations of desert tortoises. Copeia 1992: 367-374.
24. GILLES-BALLIEN, M. 1973. Seasonal variations and osmoregulation in the red blood cells of the diamondback terrapin Malaclemys centrata centrata (Latreille). (Comparative Biochemistry and Physiology 46A: 505-512.
25. GOTTDENKER, N. L., AND E. R. JACOBSON. 1995. Effect of venipuncture sites on hematologic and clinical biochemical values in desert tortoises. American Journal of Veterinary Research 56: 19-21.
26. HART, M. G., H. J. SAMOUR, D. M. J. SPRATT, B. SAVAGE, AND C. M. HAWKEY. 1991. An analysis of haematological findings on a feral population of Aldabra giant tortoises (Geochelone gigantea). Comparative Haematology International 1: 145-149.
27. HAWKEY, C. M., AND T. B. DENNETT. 1989. Comparative veterinary hematology. Iowa State University Press, Ames, Iowa, 192 pp.
28. HENEN, B. T. 1994. Seasonal and animal energy and water budgets of female desert tortoises (Xerobates agassizii) at Goffs, California. Ph.D. Dissertation. University of California, Los Angeles, California, 198 pp.
29. _. 1997. Seasonal and annual energy budgets of female desert tortoises (Gopherus agasszii). Ecology 78: 283-296.
30. JACKSON, O. F. 1980. Weight and measurement data on tortoises (Testudo graeca and Testudo hermanni) and their relationship to health. Journal of Small Animal Practice 21: 409-416.
31. JACOBSON, E. R. 1987. Reptiles. Veterinary Clinics of North America 17: 1203-1225.
32. _, J. M. GASKIN, M. B. BROWN, R. K. HARRIS, C. H. CARDINER, J. L. LAPOINTE, H. P. ADAMS, AND C. REGGIARDO. 1991. (Chronic upper respiratory tract disease of free-ranging desert tortoises (Xerobates agassizii). Journal of Wildlife Disease 27: 296-316.
33. _, J. SCHUMACHER, AND M. E. GREEN. 1992. Field and clinical techniques for sampling and handling blood for hematologic and selected biochemical determinations in the desert tortoise, Xerobates agassizii. Copeia 1992: 237-241.
34. _, M. WEINSTEIN, K. BERRY, B. HARDENBROOK, C. TOMLINSON, AND D. FREITAS. 1993. Problems with using weight versus carapace length relationships to assess tortoise health. The Veterinary Record 132: 222-223.
35. _, T. J. WRONSKI, J. SCHUMACHER, C. REGGIARDO AND K. H. BERRY. 1994. Cutaneous dyskeratosis in free-ranging desert tortoises. Gopherus agassizii, in the (Colorado desert of southern California. Journal of Zoo and Wildlife Medicine 25: 68-81.
36. JENNINGS, W. B. 1993. Foraging ecology of the desert tortoise (Gopherus agassizii) in the western Mojave Desert. M.S. Thesis, University of Texas, Austin, Texas, 89 pp.
37. KAPLAN, L. A., AND A. J. PESCE. 1996. Clinical chemistry: theory, analysis, and correlation, 3rd edition. Mosby Inc., St. Louis, Missouri, 1211 pp.
38. LANCE, V. A. 1990. Stress in reptiles. In Progress in coparative endocrinology, E. A. Epple, C. G. Scones, and M. H. Stetson (eds.). Wiley-Liss, New York, New York, pp. 461-466.
39. _. 1994. Life in the slow lane: hormones, stress, and the immune system in reptiles. In Perspectives in Comparative Endocrinology, K. G. Davey, R. E. Peter, and S. S. Loke (eds.). National Research Council of Canada, Ottawa, Canada, pp. 529-534.
40. LAWRENCE, K. 1987. Seasonal variation in blood biochemistry of long-term captive Mediterranean tortoises (Testudo graeca and Testudo) hermanni). Research in Veterinary Science 43: 379-383.
41. _, AND C. M. HAWKEY. 1986. Seasonal variations in haematological data from Mediterranean tortoises (Testudo gracea and Testuda hermanni) in captivity. Research in Veterinary Science 40: 225-230.
42. LUMSDEN, J. H. 1978. On establishing reference values. Canadian Journal of Comparative Medicine 42: 293-301.
43. MARTIN, H. F., B. J. GUDZINOWICZ, AND H. FANGER. 1975. Normal values in clinical chemistry: a guide to statistical analysis of laboratory data. Marcel Dekker, Inc., New York, New York, 504 pp.
44. MAUTINO, M., AND C. D. PAGE. 1993. Biology and medicine of turtles and tortoises. Veterinary Clinics of North America 23: 1251-1270.
45. MEDICA, P. A., R. B. BURY, AND R. A. LUCKENBACH. 1980. Drinking and construction of water catchments by the desert tortoise, Gopherus agassizii, in the Mojave Desert. Herpetologica 36: 301-304.
46. MEIENBERGER, C., I. R. WALLIS, AND K. A. NAGY. 1993. Food intake rate and body mass influence transit time and digestibility in the desert tortoise (Xerobates agassizii). Physiological Zoology 66: 847-862.
47. MINNICH, J. E. 1977. Adaptive responses in the water and electrolyte budgets of native and captive desert tortoises, Gopherus agassizii, to chronic drought. In Proceedings of the Desert Tortoise Council Symposium, K. B. Berry, (ed.). Desert Tortoise Council, San Diego, California, pp. 102-109.
48. MONTALI, R. J. 1988. Comparative pathology of inflammation in the higher vertebrates. Journal of Comparative Pathology 99: 1-26.
49. NAGY, K. A., AND P. A. MEDICA. 1986. Physiological ecology of desert tortoises in southern Nevada. Herpetologica 42: 73-92.
50. NATIONAL OCEANIC AND ATMOSPHERIC: ADMINISTRATION (NOAA). 1989-1995. Climatological data for California, Vols. 93-99, National Climatic Data Center, Asheville, North Carolina, 572, 588, 578, 573, 576, 582, and 731 pp., respectively.
51. O'CONNOR, M. P., J. S. GRUMBLES, R. H. GEORGE, L. C. ZIMMERMAN, AND J. R. SPOTILA. 1994. Potential hematologic and biochemical indicators of stress in tree-ranging desert tortoises and captive tortoises exposed to a hydric stress gradient. Herpetological Monographs. 8: 5-26.
52. OFTEDAL, O. T., M. E. ALLEN, AND T. E. CHRISTOPHER. 1996. Dietary potassium affects food choice, nitrogen retention and growth of desert tortoises. In Proceedings of the Desert Tortoise Council Symposium, K. B. Berry, (ed.). Desert Tortoise Council, San Diego, California, pp. 58-61.
53. PETERSON, C. C. 1994. Different rates and causes of high mortality in two populations of the threatened desert tortoise Gopherus agassizii. Biological Conservation 70: 101-108.
54. _. 1996a. Anhomeostasis: seasonal water and solute relations in two populations of the desert tortoise (Gopherus agasszii) during chronic drought. Physiological Zoology 69: 1324-1358.
55. _. (1996b). Ecological energetics of the desert tortoise (Gopherus agassizii): effects of rainfall and drought. Ecology 77: 1831-1844.
56. ROSSKOPF, W. J. 1982. Normal hemogram and blood chemistry values for California desert tortoises. Veterinary Medicine/Small Animal Clinician 77: 85-87.
57. ROSTAL, D. C., V. A. LANCE, J. S. GRUMBLES, AND A. C. ALBERTS. 1994. Seasonal reproductive cycle of the desert tortoise (Gopherus agassizii) in the eastern Mojave desert. Herpetological Monographs 8: 72-82.
58. ROWLANDS, P. G. 1995. Regional bioelimatology of the California desert. In The California desert: an introduction to natural resources and man's impact, Volume 1. J. Latting and P. G. Rowlands (eds.). June Latting Books, Riverside, California, pp. 95-134.
59. SAAD, A. H. 1988. Corticosteroids and immune systems of non-mammalian vertebrates: a review. Developmental Comparative Immunology 12: 281-194.
60. _, AND R. EL RIDI. 1988. Endogenous cortieosteroids mediate seasonal cyclic changes in immunity of lizards. Immunobiology 177: 390-403.
61. SAMOUR, J. H., C. M. HAWKEY, S. PUGSLEY, AND D. BALL. 1986. Clinical and pathological findings related to malnutrition and husbandry in captive giant tortoises (Geochelone species). The Veterinary Record 118: 299-302.
62. SCHUMACHER, I. M., M. B. BROWN, E. R. JACOBSON, B. R. COLLINS, AND P. A. KLEIN. 1993. Detection of antibodies to a pathogenic mycoplasma in desert tortoises (Gopherus agassizii) with upper respiratory tract disease. Journal of Clinical Microbiology 31: 1454-1460.
63. SPRATT, D. M. J. 1990. "Jackson's ratio" and the Aldabra giant tortoise (Geochelone gigantea). The Veterinary Record 127: 262-263.
64. TAYLOR, R. W., AND E. K. JACOBSON. 1982. Hematology and serum chemistry of the gopher tortoise, Gopherus polyphemus. Comparative Biochemistry and Physiology 72A: 425-428.
65. TURNER, F. B., P. HAYDEN, B. L. BURGE, AND J. B. ROBERSON. 1986. Egg production by the desert tortoise (Gopherus agassizii) in California. Herpetologica 42: 92-104.
66. _, AND D. C. RANDALL. 1989. Net production by shrubs and winter annuals in Southern Nevada. Journal of Arid Environments 17: 23-26.
67. WOODBURY, A. M., AND R. HARDY. 1948. Studies of the desert tortoise. Gopherus agassizii. Ecological Monographs 18: 146-200.