UNIVERSITAS AIRLANGGA



Detail Article

Media Kedokteran Hewan

ISSN 2015-8930

Vol. 18 / No. 1 / Published : 2002-04

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Original Article :

Equalion models of progesterone and estradiol concentrations with pregnancy age in ewes

Author :

  1. Mas Yedi Sumaryadi*1
  1. Laboratorium Fisiologi dan Reproduksi Ternak Terapan Fakultas Peternakan Universitas Jenderal Soedirman Purwokerto 53123

Abstract :

Thirty-eight ewes with similar weight and age were used in an experiment to determine pregnancy age base on progesterone and estradiol concentrations. The ewes were injected twice with PGF2 11 days apart before being bred to synchronize the estrous cycle and to remove the existed corpora lutea. The pregnant ewes were same maintained in an individual pen. Blood samples were drawn weekly during pregnancy until parturition (i.e. week 20 of pregnancy) for progesterone and estradiol analyses using radio immunoassay solid phase technique. The result showed that progesterone and estradiol concentrations increased in accordance with age of pregnancy. Equation models of progesterone and estradiol followed the pattern of Y = 0.6994 + 2.1201 x – 1.4178 x2 and Y = 5.0749 – 3.3101 x + 0.7241 x2 – 0.0574 x3 + 0.0015 x4 with determination coefficient (r2) were 0.9235 and 0.6352 (p

Keyword :

progesterone, estradiol, pregnancy age, ewes,


References :





Archive Article

Cover Media Content

Volume : 18 / No. : 1 / Pub. : 2002-04
  1. The Effect Of Ultra Violet (uv) Radiation On Post Thawing Sperm Of Dairy Cattle Against Sex Ratio Of Sperm Cells Bearing Chromosome X And Y
  2. Equalion Models Of Progesterone And Estradiol Concentrations With Pregnancy Age In Ewes
  3. The Effect Of Antibodies Anti-inhibin In Obtaining Of Anti-idiotipic Antibodies On Mice
  4. The Separation Of Sex Bearing Chromosome Sperm And Embryo Development Produced Of In Vitro Fertilization Of Madura Cattle
  5. Chichen Embryo Fibroblast Cell Culture As An Media Hybrid B Cell Limphocyte And Mouse Myeloma Cell In Incubator Without Carbon-dioxyde
  6. Analysis Of The Chemically And Freeze Dried Preserved Complement Titer Stability
  7. Electron Microscope Scanning (ems) And Morphology Of The Some Species Of Haemonchus Sp. From Goat/sheep Slaughtered At Pegirian Slaughter House Surabaya
  8. Controlling Toxocariasis Infection On Calves In Madura Against Isolated The Volatile Oil From Curcuma Aeruginosa Roxb (temuireng)
  9. Analysis Of Restriction Fragment Length Polymorphisms For Molecular Epidemiological Tracing Of Escherichia Coli Strains Using Probes
  10. Morphofunction Evaluation Of Porcine Autogeneous Cephalic Vein Grafts In Arterial Circulation
  11. Estrogenicity Effect Test Of Piper Nigrum L. On Female Rat
  12. The Effect Of Frog Waste Meal In Feed On Abdominal Fat Percentage And Subcutan Fat Value Of Broiler Chicken
  13. Comparison Of Aeromonas Hydrophila Vaccination Method By Immersion And Hyperosmotic Infiltration Against The Antibody Titers

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