rdf-syntax-grammar
mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    title: Pregnancy rate in beef heifers after synchrony to random or programmed estrous cycles
  name:
    name part: Mathis, Clay Patrick
    name part: 1971-
    role:
      role term: creator
  type of resource: text
  genre: bibliography
  origin info:
    place:
      place term: xx
    date issued: 1995
    issuance: monographic
  language:
    language term: eng
  physical description:
    form: print
    form: remote
    extent: xi, 76 leaves : illustrations ; 28 cm.
  abstract: (36%). Pregnancy rate was higher (P <.05) for heifers with
  abstract: (day 0), a greater (P <.05) percentage of PGF (74%) than CON
  abstract: (Santa Cruz; n=195) were allotted into one of two
  abstract: 0). Following implant removal (day 9), heifers were
  abstract: a Syncro-Mate-B (SMB) regimen will have higher pregnancy
  abstract: administered a conventional SNM treatment. Heifers (n=97) in
  abstract: administration of prostaglandin F2. (PGF2.) I I d prior to a
  abstract: after implant removal. At the beginning of the SMB regimen
  abstract: among heifers classified to be in diestrus (DI; 54%; n--69)
  abstract: and 20. Estrous response rate was 95.5%. Pregnancy rate
  abstract: and 9. All heifers were artificially inseminated 48 to 50 h
  abstract: artificially inseminated 12 h after the onset of estrus.
  abstract: before a SMB regimen. Progesterone concentration was
  abstract: Blood samples were collected for P4 analysis on days 0, 9,
  abstract: concentration was not affected by treatment or day x
  abstract: determined from blood samples collected on day -I 1, -2, 0,
  abstract: experiment 1, heifers (n=150) were categorized by the stage
  abstract: heifers (59%) were in diestrus (P4 > I ng/ml). Mean P4
  abstract: heifers was not different than heifers in MET or DI. Mean
  abstract: hypothesis that fertility is enhanced when a progestin
  abstract: investigation.
  abstract: n=48). Pregnancy rate among proestrus (PRO; 44%; n=l 8)
  abstract: ng/ml plasma (52%; n=120) than heifers with P4 < I ng/ml
  abstract: ng/n-d plasma (I 5%) on day 0. These results support the
  abstract: of cycling heifers was similar for PGF (36%) and CON heifers
  abstract: of the estrous cycle at the beginning of a SMB regimen (day
  abstract: P4 > I ng/n-d plasma (3 8%) than for heifers with P4 < I
  abstract: plasma ( 25%; n=30) on day 0. In experiment 2, beef heifers
  abstract: plasma P4 concentration was affected by treatment and day.
  abstract: Pregnancy rate was higher (P <.05) for heifers with P4 > I
  abstract: rates to AI than heifers not in diestrus and that
  abstract: SMB regimen will increase pregnancy rates to Al. In
  abstract: synchrony regimen is initiated during diestrus, but methods
  abstract: the PGF group were injected with PGF2. I I d (day -I 1)
  abstract: to program estrous cycles to increase fertility warrant
  abstract: treatment, but differed (P < .05) wrong days. Pregnancy rate
  abstract: treatments. Heifers (n=98) in the control (CON) group were
  abstract: was higher (P <.05) than heifers in metestrus (MET; 44%;
  abstract: We hypothesized that heifers in diestrus at the beginning of
  note: by Clay Patrick Mathis.
  note: "Major subject: Physiology of Reproduction".
  note: Vita.
  note: Also available online.
  note: Issued also on microfiche from Lange Micrographics.
  note: M.S. Texas A&M University 1995.
  note: Includes bibliographical references.
  subject:
    topic: Major physiology of reproduction
  identifier: https://hdl.handle.net/1969.1/ETD-TAMU-1995-THESIS-M379
  related item:
    location:
      url: https://hdl.handle.net/1969.1/ETD-TAMU-1995-THESIS-M379
  record info:
    record content source: TXA
    record creation date: 960724
    record change date: 20220103134228.0
    record identifier: in00001306414