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1. Swimming kinematics and temperature effects on spermatozoa from wild and captive shortnose sturgeon (Acipenser brevirostrum)

Author:
Gilroy, Christine E.,   et al.   ; Litvak, Matthew K.;     Show all 2 Author
Source:
Animal reproduction science 2019 v.204 pp. 171-182
ISSN:
0378-4320
Subject:
Acipenser brevirostrum; biodiversity; cluster analysis; fish; head; kinematics; milt; principal component analysis; rearing; rivers; sperm capacitation; sperm motility; spermatozoa; swimming; temperature; New Brunswick
Abstract:
... Computer-assisted semen analysis (CASA) and cluster analysis were used to compare spermatozoa swimming kinematics and milt quality between wild and captive shortnose sturgeon (Acipenser brevirostrum). Milt samples from 27 shortnose sturgeon were collected in May 2016 and June 2017. Of these, 19 were wild caught in the Saint John River, New Brunswick, Canada, and eight were from a captive populatio ...
DOI:
10.1016/j.anireprosci.2019.03.022

2. Relationship between seminal plasma composition and spermatozoa swimming speed and motility in wild and captive shortnose sturgeon (Acipenser brevirostrum)

Author:
Gilroy, Christine E.,   et al.   ; Litvak, Matthew K.;     Show all 2 Author
Source:
Aquaculture 2019 v.505 pp. 217-224
ISSN:
0044-8486
Subject:
Acipenser brevirostrum; aquaculture; calcium; cluster analysis; osmolality; pH; potassium; principal component analysis; seminal plasma; sodium; sperm motility; sperm quality; swimming; wild fish
Abstract:
... We analyzed seminal plasma composition of 27 shortnose sturgeon (Acipenser brevirostrum) from both captive and wild populations. Osmolality, pH, sodium, potassium, chloride, and calcium were measured as possible predictors of spermatozoa swimming velocity and percent motility, which are proxies for sperm quality. Principal components analysis resulted in two interpretable components that explained ...
DOI:
10.1016/j.aquaculture.2019.02.033