Search results for: 'varia nachhaltigkeit im zoobetrieb'

TAKAHASHI, H., IWASAWA, H. Clutch Size and Egg Size Variations In Salamanders - Traits of the Variations in Some Levels of Biological Organization Incl. Tax., + Shipping

JØRGENSEN, C.B., SHAKUNTALA, K., WIJAYAKUMAR, S. Body Size, Reproduction and Growth in a Tropical Toad, Bufo melanostictus, with a Comparison of Ovarian Cycles in Tropical and Temperate Zone Anurans Incl. Tax., + Shipping

CASE, S.M., HANELINE, P.G., SMITH, M.F. Protein Variation in Several Species of Hyla Incl. Tax., + Shipping

WALLS, S.C. et al. Morphological Variation and Cannibalism in a Larval Salamander (Ambystoma macrodactylum columbianum) Incl. Tax., + Shipping

HASUMI, M., IWASAWA, H. Geographic Variation in the Number of Teeth of the Japanese Salamander, Hynobius lichenatus Incl. Tax., + Shipping

TERENT'EV, P.V. Attempt at Application of Analysis of Variation to the Qualitative Richness of the Fauna of Terrestrial Vertebrates Incl. Tax., + Shipping

BALLS, M., RUBEN, L.N. Variation in the Response of Xenopus laevis to Normal Tissue Homografts Incl. Tax., + Shipping

FIGIEL, C.R., Jr., SEMLITSCH, R.D. Population Variation in Survival and Metamorphosis of Larval Salamanders (Ambystoma maculatum) in the Presence and Absence of Fish Predation Incl. Tax., + Shipping

GABRIEL, R., BUDAI, D. Seasonal Variations in Acetylcholine Content and the Levels of Cholinergic Enzymes in the Alimentary Tract and Heart of Rana esculenta L. Incl. Tax., + Shipping

JØRGENSEN, C.B. Mechanisms Regulating Ovarian Cycle in the Toad Bufo bufo bufo (L.) - Role of Presence of Second Growth Phase Oocytes in Controlling Recruitment from Pool of First Growth Phase Oocytes Incl. Tax., + Shipping

REDSHAW, M.R., NICHOLLS, T.J. Oestrogen Biosynthesis by Ovarian Tissue of the South African Clawed Toad, Xenopus laevis Daudin Incl. Tax., + Shipping

SHIRANE, T. Comparative Observations on Inhibition of Ovarian Development in Larval Rana japonica Treated with Testosterone during Different Stages of Development Incl. Tax., + Shipping

SUBTELNY, S., SMITH, L.D., ECKER, R.E. Maturation of Ovarian Frog Eggs without Ovulation Incl. Tax., + Shipping

ECHEVERRIA, D.D., MONTANELLI, S.B. Estereomorfológia del aparato bucal y de la cavidad oral de las larvas de Ololygon fuscovaria (Lutz, 1925) Incl. Tax., + Shipping

ROSENBAUM, D.M., ROTHSTEIN, H. Mitotic Variations in the Lens Epithelium of the Frog Incl. Tax., + Shipping

ECHEVERRíA, D.D., MAGGESE, M.C. Desarrollo del testiculo en Bufo arenarum. Ciclos espermatogenicos y variaciones estacionales en los sapos juveniles Incl. Tax., + Shipping

HARRIS, R.N. et al. Local Variation in the Genetic Basis of Paedomorphosis in the Salamander Ambystoma talpoideum Incl. Tax., + Shipping

MAHONEY, J.J., HUTCHINSON, V.H. Photoperiod Acclimation and 24-Hour Variations in the Critical Thermal Maxima of a Tropical and a Temperate Frog Incl. Tax., + Shipping

WOOD, J.T., DUELLMAN, W.E. Ovarian Egg Complements in the Salamander Eurycea bislineata rivicola Mittleman Incl. Tax., + Shipping

ASAO, T. The Variation of Cell Number during Development of Triturus pyrrhogaster Embryo Incl. Tax., + Shipping

BERCHTOLD, J.-P. Les peroxysomes des cellules interrénales de Triturus cristatus) - variation de leur nombre en fonction de l'activité stéroidogénique Incl. Tax., + Shipping

FORMAS, J.R., LACRAMPE, S., BRIEVA, L. Biochemical Variation in the South American Leptodactylid Frog Eupsophus roseus Incl. Tax., + Shipping

TAKADA, M. Seasonal Variations in the Effect of Prolactin on the Short-Circuit Current across Bullfrog Skin Incl. Tax., + Shipping

CIARCIA, G., PAOLUCCI, M., BOTTE, V. Effects of Gonadotrophin-Releasing Hormone Variants on Reproductive Organs and Plasma Testosterone in the Male Lizard, Podarcis s. sicula Incl. Tax., + Shipping