Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Linda M Penfold"'
Autor:
Carolina I. Baquerizo, Linda M. Penfold, James D. Gillis, Scott Citino, Laurie Marker, Adrienne E. Crosier
Publikováno v:
Frontiers in Conservation Science, Vol 4 (2023)
Zoo managed cheetahs provide an insurance population for wild cheetahs that are under threat of extinction from habitat loss, lack of prey, competition, pet trade and poaching for skin and bones. Assisted reproductive techniques including artificial
Externí odkaz:
https://doaj.org/article/b2dcb6e0946143c1820664a72de5beb0
Autor:
James D. Gillis, William V. Holt, Lisa Yon, Gwen E. Myers, Rodney Schnellbacher, Rhudy Holly, David Love, Linda M. Penfold
Publikováno v:
Theriogenology Wild, Vol 3, Iss , Pp 100044- (2023)
Developing protocols that maximize the total sperm output during a semen collection from an endangered species is essential for strategic genome resource banking practices. Exogenous oxytocin has been administered to domestic bovid species prior to s
Externí odkaz:
https://doaj.org/article/1bf2b3a535b240c5be0ad46ad54f9ae8
Autor:
Jennifer T. Wyffels, Robert George, Emily F. Christiansen, Tonya M. Clauss, Alisa L. Newton, Michael W. Hyatt, Chris Buckner, Véronique LePage, F. Ed Latson, Linda M. Penfold
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Fundamental characteristics of the reproductive biology of female sand tiger sharks Carcharias taurus are needed to understand the periodicity, seasonality and environmental factors essential for reproduction in this iconic species. Animals in manage
Externí odkaz:
https://doaj.org/article/1a0bb1737a3f41e8bb8029f87896699e
Artificial insemination and parthenogenesis in the whitespotted bamboo shark Chiloscyllium plagiosum
Autor:
Jennifer T. Wyffels, Lance M. Adams, Frank Bulman, Ari Fustukjian, Michael W. Hyatt, Kevin A. Feldheim, Linda M. Penfold
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract Non-lethal methods for semen collection from elasmobranchs to better understand species reproduction has accompanied the development of artificial insemination. Ejaculates (n = 82) collected from whitespotted bamboo sharks Chiloscyllium plag
Externí odkaz:
https://doaj.org/article/6483cd7de75442d3b88866580f6bcefb
Publikováno v:
Animals, Vol 11, Iss 9, p 2716 (2021)
This study investigated the reproductive biology and sperm cryopreservation of ex situ southern stingrays (Hypanus americanus) by semen collection and characterization and the development and validation of an enzyme-linked immunoassay for plasma tota
Externí odkaz:
https://doaj.org/article/7fde5a6c99d04506b8e18363070fd01e
Autor:
Linda M Penfold, Marc Criffield, Mark W Cunningham, Deborah Jansen, Mark Lotz, Colin Shea, Dave Onorato
Publikováno v:
Journal of Mammalogy. 103:835-844
In 1995, eight female pumas from Texas (Puma concolor stanleyana) were introduced into five areas in South Florida to remediate morphological and biomedical correlates of inbreeding depression that threatened the long-term survival of Florida panther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f31be0f71355fb463f5b2615788561b1
https://doi.org/10.1093/jmammal/gyac029
https://doi.org/10.1093/jmammal/gyac029
Autor:
Gwen Jankowski, Linda M. Penfold, John Crane, Amanda Faliano, Stephanie McCain, Anneke Moresco, Raymund F. Wack, Andrea Goodnight, Sushan Han, Erika Crook
Publikováno v:
Zoo Biology. 41:65-73
Giraffe present unique contraception challenges as males persistently pursue females during estrus. Year-round pursuit during frequent recurring estrus can pose significant risk under slippery conditions. Complete ovarian suppression is a useful tool
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c1710a929ae031172956d9bf5f22390
https://doi.org/10.1002/zoo.21652
https://doi.org/10.1002/zoo.21652
Publikováno v:
Zoo Biology. 40:541-550
Managing social groups in zoos requires controlling reproduction in individuals that do not have a current breeding recommendation, while simultaneously maintaining social harmony and animal well-being. Contraceptives, such as gonadotropin releasing-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e5ae1e88925db2fbe73c6537631afc7
https://doi.org/10.1002/zoo.21635
https://doi.org/10.1002/zoo.21635
Autor:
James D. Gillis, William V. Holt, Linda M. Penfold, Kathryn J. Woad, James K. Graham, Julie A. Watts, David S. Gardner, Lisa Yon
Publikováno v:
Cryobiology. 108
Directional freezing (in 2 or 10 ml hollow glass tubes) has been reported to improve post-thaw sperm survival parameters compared to conventional methods (in 0.5 ml straws). However, the biophysical properties that increase post-thaw survival are poo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d42aebdbeb93d9bff38aba17a0d3a3fa
https://pubmed.ncbi.nlm.nih.gov/36084733
https://pubmed.ncbi.nlm.nih.gov/36084733
Autor:
Jennifer T. Wyffels, Linda M. Penfold
Publikováno v:
Biology of Sharks and Their Relatives ISBN: 9781003262190
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49c364c035312567302582c314c100ae
https://doi.org/10.1201/9781003262190-8
https://doi.org/10.1201/9781003262190-8
