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Department of Biological Sciences
phone: (208) 885-6280
fax:(208) 885-7905
Life Sciences South 252
875 Perimeter Drive MS 3051
Moscow, ID 83844-3051

Dr. Joseph Cloud

Joseph G. Cloud, Ph.D.

Office: Gibb 238
Phone: (208) 885-6388
Email: jcloud@uidaho.edu
Mailing Address: University of Idaho
Dept. of Biological Sciences
875 Perimeter MS 3051
Moscow, ID 83844-3051

College of Science
University of Idaho
Professor and Interim WWAMI Director

Campus Locations: Moscow

  • Research/Focus Areas
    • Center for Reproductive Biology
    • Fish Reproductive Biology Program
    • Aquaculture Research Institute
  • Biography
    Projects in Dr. Cloud's research program are primarily directed toward understanding germ cell development in salmonids and the establishment of a germplasm repository for threatened and endangered fish. Ongoing research projects in the lab include the cryopreservation and transplantation of salmonid gonads and the isolation, culture, and reestablishment of germinal stem cells. Additionally, sperm collected from numerous populations of Snake River chinook salmon and steelhead are cryopreserved and stored annually. The work in Dr. Cloud's lab is currently funded by the USDA and BPA.

    Dr. Cloud completed postdoctoral work at Johns Hopkins University and has had a sabbatical leave with Dr. E.F. Graham, who was a world-leading cryobiologist at the University of Minnesota. He has also received the Gamma Sigma Delta and the ASUI Outstanding Faculty Award for teaching excellence.

    Dr. Cloud also advises students interested in pre-nursing studies.
  • Selected Publications

    Ingermann, R. L., M.L. Robinson and J.G. Cloud. 2003. Respiration of steelhead trout sperm: sensitivity to pH and carbon dioxide. Journal of Fish Biology. 62: 13-23.

    Cloud, J.G. 2003. Surgical transplantation of sexually immature ovaries in rainbow trout (Oncorhynchus mykiss). Journal of Experimental Zoology. 298:73-76.

    Ingermann, R.L., D.C. Bencic, and J. G. Cloud. 2002. Low seminal plasma buffering capacity corresponds to high pH sensitivity of sperm motility in salmonids. Fish Physiology and Biochemistry. 24:299-307.

    Ingermann, R.L., Holcomb, M., Robinson, M.L., Cloud, J.G. Carbon dioxide and pH affect sperm motility of white sturgeon (Acipenser transmontanus). Journal of Experimental Biology 205: 2885-2890, 2002.

    Kersten, C.A., M. Krisfalusi, J.E. Parsons and J.G. Cloud. 2001. Gonadal regeneration in masculinized female or steroid treated rainbow trout (Oncorhynchus mykiss). Journal of Experimental Zoology 290:396-401.

    Nagler, J.J., J.G. Cloud, P.A. Wheeler, and G.H. Thorgaard. 2001 Testis transplantation in male rainbow trout (Oncorhynchus mykiss). Biology of Reproduction 64:644-646.

    Bencic, D.C., R. L. Ingermann and J. G. Cloud. 2001. Does CO2 enhance short-term storage success of chinook salmon (Oncorhynchus tshawytscha) milt? Theriogenology 56:157-166.

    Bencic, D.C., J. G. Cloud and R. L. Ingermann. 2000. Carbon dioxide reversibly inhibits sperm motility and fertilizing ability in steelhead trout (Oncorhynchus mykiss). Fish Physiology and Biochemistry 23:275-281.

    Krisfalusi, M., P.A. Wheeler, G.H. Thorgaard and J.G. Cloud. 2000. Gonadal morphology of female diploid gynogenetic and triploid rainbow trout. Journal of Experimental Zoology 286:505-512.

    Wendling, N. C., D.C. Bencic, J.J. Nagler, J.G. Cloud, R.L. Ingermann. 2000. Adenosine triphosphate levels in chinook salmon (Oncorhynchus tshawytscha) eggs following in vitro maintenance and activation/fertilization. Fish Physiology and Biochemistry 22:217-223.

    Bencic, D. C., M. Krisfalusi, J.G. Cloud and R.L. Ingermann. 2000. Short-term storage of salmonid sperm in air versus oxygen. North American Journal of Aquaculture 62: 19-25.

    Cloud, J. G. 2000. Post-thaw fertility of salmonid sperm relative to time of freezing after collection. In “Cryopreservation in Aquatic Species”, Advances in World Aquaculture, Vol 7 (T.R. Tiersch and P.M. Mazik, eds) Published by the World Aquaculture Society. Pp. 101-103.

    Cloud, J.G., R. Armstrong, P.A. Wheeler, P.A. Kucera and G.H. Thorgaard. 2000. Northwest salmonid germplasm repository: A model for genetic conservation. In “Cryopreservation in Aquatic Species”, Advances in World Aquaculture, Vol 7 (T.R. Tiersch and P.M. Mazik, eds). Published by the World Aquaculture Society. Pp. 338-342.

    Nagler, J.J., J.E. Parsons and J.G. Cloud. 2000. A single pair mating scheme indicates maternal effects on embryo survival in rainbow trout (Oncorhynchus mykiss). Aquaculture 184:177-183.

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