Back to Resources & Research Facilities The National Xenopus Resource Overview MBLthe NXR Ordering and Pricing Animal Care Mutant Frog Stocks Transgenic Tropicalis Transgenic Laevis Wild Type Frog Stocks Research Facility Resource Workshops and Meetings Contact The NXR Home Groundbreaking Research at the Ůֱ Resources & Research Facilities The National Xenopus Resource Animal Care Animal Care Protocols Xenopus laevis Animal Care Xenopus tropicalis Animal Care Xenopus Tadpole Animal Care NXR Sperm Freezing Protocol For more information on husbandry, please contact Nikko-Ideen Shaidani.