Presynchronization with CIDR, with or without GnRH, prior to CO-Synch in beef heifers.
Sign Up to like & getrecommendations! Published in 2020 at "Theriogenology"
DOI: 10.1016/j.theriogenology.2020.02.005
Abstract: Objectives were to compare ovarian responses and pregnancy per AI (P/AI) in Angus-cross beef heifers (n = 521; 4 locations) synchronized with CIDR-CO-Synch (CCOS) versus CIDR-GnRH-CO-Synch (CGCOS) protocols. Heifers were assigned a reproductive tract score (RTS: 1,… read more here.
Keywords: group; cidr; beef heifers; synch ... See more keywords
73 Comparison of GnRH Administration day in the 7 & 7 Synch Versus 8 & 6 Synch Protocol for Fixed-Timed Artificial Insemination in Beef Heifers
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DOI: 10.1093/jas/skad068.068
Abstract: The study was conducted to identify effects of a decreased interval of progesterone on the ovulatory follicle before fixed-timed artificial insemination (FTAI) by altering the day of a gonadotropin-releasing hormone agonist (GnRH;00µg gonadorelin; Cystorelin) administration.… read more here.
Keywords: administration; synch; fixed timed; timed artificial ... See more keywords
PSIII-7 7&7 Synch improved pregnancy rates in beef cows experiencing estrus over 24 h before fixed-time insemination
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DOI: 10.1093/jas/skae102.379
Abstract: Our objectives were to compare estrus response and pregnancy rates between two different estrus synchronization protocols and between cows that experienced estrus more than 24 h before appointment breeding and those that experienced estrus less… read more here.
Keywords: time; early estrus; synch; pregnancy rates ... See more keywords