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Development And Permeability Of Equine Blastocysts, Brittany Reshel Scott
Development And Permeability Of Equine Blastocysts, Brittany Reshel Scott
LSU Master's Theses
Equine embryo cryopreservation is unsuccessful in larger, more easily collected, day-7 embryos. It is imperative that methods to successfully cryopreserve large equine embryos or develop reliable methods to determine embryo size before collection. Therefore the objectives for this study were to quantify the amount of tritiated glycerol that would permeate various sizes of equine embryos and to determine if circulating progesterone concentration was correlated with in utero embryo size. Mean embryo diameter (± SEM) across treatments (1.4M and 3.4M tritiated glycerol) was 696.5µm ± 108.6µm and 925.9 µm ± 214.1µm, respectively and were not different (P=0.44). The percent permeation for …
Developmental Responses To Abiotic Conditions During Aquatic And Air Incubatoin Of The Gulf Killifish (Fundulus Grandis): Subtitle, Charles Alexander Brown
Developmental Responses To Abiotic Conditions During Aquatic And Air Incubatoin Of The Gulf Killifish (Fundulus Grandis): Subtitle, Charles Alexander Brown
LSU Master's Theses
The Gulf killifish (Fundulus grandis) is a topminnow native to the tidal marshes of the Gulf of Mexico. The species is prized by anglers as effective bait for catching popular sportfish and is of interest to aquaculturists and bait dealers due to its hardy nature. Limited seasonal availability and aquaculture of this species due to low fecundity and larval cannibalism of fry has led to increased incentive to improve cultural techniques. The purpose of this study is to determine the influences of temperature, salinity, and air incubation on embryogenesis of the Gulf killifish. Temperature was found to have a negative …