Reproduction

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Early pregnancy• Maternal recognition– modification of PGF2α by the luteotropicproducts from the conceptus and uterus• Trophoblastproteins (cow, ewe, doe)• Estrogens (sow, mare)• intrauterine mobility of the embryo (mare)• ? (bitch, queen)• antiluteolyticaction or luteotrophiceffect• to extend the luteal activity
Early pregnancy• Trophoblastproteins (cow, ewe, doe)– oTP-1 secreted between 10 and 21-24 days– bTp-1 secreted between 16-19 days– cTP-1 secreted on Day 17• to bind uterine oxytocinreceptors• to block the uterine PGF2α secretion
Page 4 and 5:
Definition of hormones• synthesiz
Page 6 and 7:
Extra hypothalamic centresEstrogens
Page 8 and 9:
The hormones secreted fromthe anter
Page 10 and 11:
Releasing hormones• Gonadotropin-
Page 12 and 13:
LH and FSH are released into thesys
Page 14 and 15:
Releasing hormones• Corticotropin
Page 16 and 17:
• Prolactin- Luteotrophichormone
Page 18 and 19:
Peptide and protein hormones• Pla
Page 20 and 21:
270 days1. The relationship of eCGa
Page 22 and 23:
Clinical use of hCG• Athletes use
Page 24 and 25:
Peptide and protein hormones• Sub
Page 26 and 27:
Ccholesterol27 H 46 O C 21 H 30 O 2
Page 28 and 29: peroxidaseBiosynthesis ofPG fromara
Page 30 and 31: PGE 2stimulatesFunction of prostagl
Page 32 and 33: vascular uteroovarianpathways for P
Page 34 and 35: Clinical use of PGF2ainduction of e
Page 36 and 37: Clinical use of PGF2ainduction of a
Page 38 and 39: Clinical use of PGF2ainduction of a
Page 40 and 41: Hormone receptors• Steroid hormon
Page 42 and 43: Hormone receptorsprotein-boundstero
Page 45 and 46: Tissues responsive to androgens
Page 47 and 48: Progesterone conversion in the plac
Page 49 and 50: Synthesis and clearance of hormones
Page 51 and 52: Synthesis and clearance of hormones
Page 53 and 54: AgAbImmunoassaytechnique
Page 55 and 56: RadioimmunoassayBecause of the ease
Page 57 and 58: competitive EIA
Page 59 and 60: LuminolThe chemical luminol is oxid
Page 61 and 62: Monitoring the seasonal estrus acti
Page 63 and 64: Endocrine control of cyclical repro
Page 65 and 66: increasingday lightPhotoreceptorsin
Page 67: Large amounts of equine LH are rele
Page 70 and 71: Ovarian steroidogenesisProduction R
Page 73: ovulation• Triggers increase prot
Page 76 and 77: Control of the corpus luteum- Estro
Page 80 and 81: Trophoblastproteins• Ovine tropho
Page 82 and 83: Early pregnancy• Conceptus-derive
Page 84 and 85: • There is extensive mobility of
Page 86 and 87: Corpus luteum& Pregnancy• P4 from
Page 89 and 90: DihydroepiandrosteroneFetal-Placent
Page 91 and 92: Parturition
Page 93 and 94: Parturition• Prostaglandins are s
Page 95 and 96: molecules (< 1000 daltons) ) that c
Page 97 and 98: Smooth muscle contraction1. Calcium
Page 99 and 100: Calmodulin mediates processes such
Page 101 and 102: Parturition• Actions of progester
Page 103 and 104: Clinical aspects of reproductiveend
Page 105 and 106: Sampling timeP 4 for postpartumovar
Page 107 and 108: P 4 for postpartum ovarian activity
Page 109 and 110: Treatment of bovine follicular cyst
Page 111 and 112: Clinical aspects of reproductive•
Page 113 and 114: Clinical aspects of reproductive•
Page 115 and 116: • Cat:- P 4 for confirmation of o
Page 117: Drycontraception
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