Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Bertelsmann, H; Keppler, S; Höltershinken, M; Bollwein, Heiner; Behne, D; Alber, D; Bukalis, G; Kyriakopoulos, A; Sieme, H (2010). Selenium in blood, semen, seminal plasma and spermatozoa of stallions and its relationship to sperm quality. Reproduction, Fertility and Development, 22(5):886-891.
Bertelsmann, H; Bollwein, Heiner; Sieme, H; Alber, D; Kyriakopoulos, A; Behne, D (2005). Selenium contents in equine semen and semen fractions and their relations with chromatin integrity and foal birthing rate. Animal Reproduction Science, 89(1-4):212-215.
Schwarm, A; Clauss, Marcus; Ortmann, S; Alber, D; Flach, E J; Kühne, R; Tack, C; Hofer, H (2004). Energy and mineral nutrition in captive hippopotamidae. Proceedings of the European Association of Zoo and Wildlife Veterinarians, 5:315-316.
Clauss, Marcus; Schwarm, A; Ortmann, S; Alber, D; Flach, E J; Kühne, R; Hummel, J; Streich, W J; Hofer, H (2004). Intake, ingesta retention, particle size distribution and digestibility in the hippopotamidae. Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology, 139(4):449-459.