Although electrosedation is becoming a frequently used technique to anaesthetize fish for a variety of commercial, management, and research applications, limited information is available on the effectiveness of different settings (e.g., voltage, frequency, shocking duration) and target species. We examined recovery times and short-term survival while using a commercially available electroanaesthesia unit to prepare fishes for transmitter implantation surgeries and ran experimental tests without surgery on different electrosedation settings. Our results indicate that electrosedation is a quick and efficient form of anaesthesia, with full anaesthesia achieved, surgeries completed, and recovery in under 10 min for common carp (Cyprinus carpio L., 1758), goldfish (Carassius auratus (L. 1758)), and others. We had zero mortality over at least 24 h associated with electrosedation. We found no significant differences in recovery times related to species or mass, nor did we find any significant changes to recovery time when changing voltage applied, frequency, shocking duration, or when changing the type of pulse applied (e.g., burst pulses vs. standard pulse). Although further researches are needed to address the sublethal and long-term effects of eletrosedation, these findings are important to researchers for selecting suitable target species and optimizing recovery time and survival for a quick release after surgery, tagging, or any time fish sedation is required.
L. F. McManamny, B.V.Sc.; H. A. Rhodes, B.V.Sc; Riches, B.V.Sc. (Syd.), Bairnsdale. and H. Tucker, B.V.Sc. The Registrar, Mr. M. M. Pollock. I.l..B.. was in attendance.Several letters were received or sent in regard to Lcttcrs of appreciation for hospitality extended to advertising and signs. %lr, P. T. Kelynack, B.V.Sc., when in the United A meeting of a sub-committee to investigate amend-Kingdom recently were sent to Professor H. G. Lament ments to the Regulations was arranged for the 22nd arid I<. E. Glover.
inst.Enquiries regarding the right to practice in Victoria wcre received from three foreign veterinary graduates.
We describe the Kuznetsov component of the Plücker embedding of the Grassmannian as a category of matrix factorizations on an noncommutative crepant resolution (NCCR) of the affine cone of the Grassmannian. We also extend this to a full homological projective dual (HPD) statement for the Plücker embedding.The first part is finding and describing the NCCR, which is also of independent interest. We extend results of Špenko and Van den Bergh to prove the existence of an NCCR for the affine cone of the Grassmannian. We then relate this NCCR to a categorical resolution of Kuznetsov. Deforming these categories to categories of matrix factorizations we find the connection to the Kuznetsov component of the Grassmannian via Knörrer periodicity. In the process we prove a derived equivalence between two different NCCR's; this shows Hori duality for the group SL. Finally we put this all into the HPD framework.
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