Fixed time artificial insemination in cattle
WebSep 7, 2024 · Timing of artificial insemination for maximum conception Some things to consider when timing AI include the following. Good heat detection is critical for successful AI. Observe for standing heat at least … WebThe aim of this study was to evaluate the reproductive performance of 411 Nellore cows (198 nulliparous, 80 primiparous, and 133 multiparous) submitted to the 5dCO-Synch + P4 or 7dEB + P4 systems. The 5dCO-Synch + P4 system consisted of insertion of an intravaginal progesterone (P4) insert and 100 μg of GnRH (intramuscularly [i.m.]) on Day …
Fixed time artificial insemination in cattle
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WebNov 8, 2024 · Heat stress strongly negatively affects reproductive traits in dairy cattle. The purpose of the present study was to investigate the effect of heat stress in … WebCooled semen for fixed-time artificial insemination in beef cattle Authors Juliana C Borges-Silva 1 , Márcio R Silva 2 , Daniel B Marinho 3 , Eriklis Nogueira 4 , Deiler C …
WebThe average postpartum interval (PPI) in these herds by the start of the next breeding season was 64 days, on average. There were 43% of cows with less than 50 days PPI … WebOngole Grade cattle is one of local cattle in Indonesia.This study was aimed to analyze the effect of bull age and season on semen quality of Ongole Grade cattles macroscopically …
WebThe adaptation of Bos indicus cattle to tropical and subtropical environments has led to their widespread distribution around the world. Although artificial insemination (AI) is one of the best alternatives to introduce new genetics into Bos indicus herds, the peculiarity of their temperament and the tendency to show short oestrus (many of them during the night) … Web(2024-2024) - Consultant and prívate veterinary services in dairy farms arrownd Aguascalientes state, such as Fixed- time artificial insemination programs, pregnancy …
WebAug 3, 2024 · Abstract. Fixed-time artificial insemination (FTAI) has been widely applied in South America within the last 20 years for the genetic improvement of commercial …
WebApr 5, 2024 · There are three basic A.I. methods used across the various livestock species. These are the direct vaginal method, the recto vaginal method, and the speculum method. Based on the size and structure of … gravely 04331700 switch ignitionWebApr 13, 2024 · To determine the effects of pre-synchronization and delayed fixed-time artificial insemination (TAI) on pregnancy rates (PR/AI) with sexed semen, 1,844 beef heifers were enrolled in a completely randomized design at 12 locations. Within a location, the heifers were randomly assigned to one of the five treatments: (1 and 2), heifers were … chn 004 uc mercedWebJan 1, 2024 · In book: Fowler's Zoo and Wild Animal Medicine Current Therapy,volume 10 (pp.655-660) chn099locknivar maintenanceWebfixed-time AI of all animals not previously detected in heat (cleanup-timed AI); or strict, fixed-time AI. Cow factors Any of the synchronization protocols presented here are recommended for mature cows with a body condition score of 5 or greater that are at least 50 days post-calving at the time of AI. Young, thin, chn063acWebThis protocol was found to be highly effective both for cows receiving embryo transfer (ET) and cows receiving fixed-time artificial insemination (AI). Extensive field trials with the … gravely 03829400WebFixed-time AI treatments are widely used in South America, with about 3 000 000 cows inseminated in the last season in Argentina and about 8 000 000 in Brazil. The objective of this review is to present and describe the various treatments available and some of the factors that may affect pregnancy rates in beef cattle. Publication types chn10401avWebOngole Grade cattle is one of local cattle in Indonesia.This study was aimed to analyze the effect of bull age and season on semen quality of Ongole Grade cattles macroscopically (sperm motility, and sperm concentration) and microscopically (semen gravely 04375900