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volume 41 issue 4 (december 2007) : 302-304

REPEATED SUPEROVULATION IN CATTLE AT SHORT INTERVALS

R
R.C. Yadav
G
G.N. Purohit
1Department of Animal Reproduction Gynaecology and Obstetrics, College of Veterinary and Animal Science, Bikaner - 334 001, India

  • Submitted|

  • First Online |

  • doi

Cite article:- Yadav R.C., Purohit G.N. (2025). REPEATED SUPEROVULATION IN CATTLE AT SHORT INTERVALS. Indian Journal of Agricultural Research. 41(4): 302-304. doi: .

ABSTRACT

Repeated superovulation at short intervals was done in 7 Rathi and its crossbred heifers. CIDRB
was implanted in the vagina of heifers and they were superovulated with 8 divided 12 hr IM
decreasing doses of porcine FSH (Super-Ov, Ausa International USA) starting from day 8 of the
implant. At 6th injection of FSH, 5ml of prostaglandin was injected IM to induce estrus. Embryos were recovered non-surgically on day 7 of insemination during a superovulatory estrus. Fourteen days after embryo recovery the CIDR-B was placed again and the same treatment was repeated thrice. The mean ovulatory response, total embryo recovery and transferable grade embryo decreased at the fourth treatment but the differences were non-significant indicating that superovulation can be done in cattle at short intervals.

KEYWORDS

    REFERENCES

    1. Chandra, Y.R. et al. (2002). Theriogenology, 57: 772.
    2. Hasler, J. F. et al. (1983). Theriogenology, 19: 83-89.
    3. Jordt, T. and Lorenzini, E. (1988). Theriogenology, 30: 355-367.
    4. Lamberson, W.R and Lambeth, V.A. (1986). Theriogenology, 26: 643-647.
    5. Misra, U.K. et al. (1997). Indian J. Anim. Reprod., 18: 8-10.
    6. Oikawa, T. et al. (1998). Theriogenology, 49: 382.
    7. Purohit, G.N. et al. (2000). Indian J. Anim. Sci., 70: 1064-1066.
    8. Sacher, B. et al. (1987). Anim. Breed. Abstr., 55: 6148.
    9. Sekizawa, F. et al. (1992). Theriogenology, 37: 295.
    10. Snedecor, G.W. and Cochran, W.G. (1975). Statistical Methods. Iowa State University Press, USA.
    11. Stringefellow, D.A. and Siedel, S.M. (1990). Manual of the International Embryo Transfer Society 309, West
    12. Clark Street, Champaign, IL 61820, USA, pp. 62.
    13. Totey, S.M. et al. (1992). Indian J. Anim. Reprod., 13: 117-120.
    14. Vyas, K.K. (1998). M.V.Sc Thesis, Rajasthan Agricultural University, Bikaner, Rajasthan, India.
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    Indian Journal of Agricultural Research
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      volume 41 issue 4 (december 2007) : 302-304

      REPEATED SUPEROVULATION IN CATTLE AT SHORT INTERVALS

      R
      R.C. Yadav
      G
      G.N. Purohit
      1Department of Animal Reproduction Gynaecology and Obstetrics, College of Veterinary and Animal Science, Bikaner - 334 001, India

      • Submitted|

      • First Online |

      • doi

      Cite article:- Yadav R.C., Purohit G.N. (2025). REPEATED SUPEROVULATION IN CATTLE AT SHORT INTERVALS. Indian Journal of Agricultural Research. 41(4): 302-304. doi: .

      ABSTRACT

      Repeated superovulation at short intervals was done in 7 Rathi and its crossbred heifers. CIDRB
      was implanted in the vagina of heifers and they were superovulated with 8 divided 12 hr IM
      decreasing doses of porcine FSH (Super-Ov, Ausa International USA) starting from day 8 of the
      implant. At 6th injection of FSH, 5ml of prostaglandin was injected IM to induce estrus. Embryos were recovered non-surgically on day 7 of insemination during a superovulatory estrus. Fourteen days after embryo recovery the CIDR-B was placed again and the same treatment was repeated thrice. The mean ovulatory response, total embryo recovery and transferable grade embryo decreased at the fourth treatment but the differences were non-significant indicating that superovulation can be done in cattle at short intervals.

      KEYWORDS

        REFERENCES

        1. Chandra, Y.R. et al. (2002). Theriogenology, 57: 772.
        2. Hasler, J. F. et al. (1983). Theriogenology, 19: 83-89.
        3. Jordt, T. and Lorenzini, E. (1988). Theriogenology, 30: 355-367.
        4. Lamberson, W.R and Lambeth, V.A. (1986). Theriogenology, 26: 643-647.
        5. Misra, U.K. et al. (1997). Indian J. Anim. Reprod., 18: 8-10.
        6. Oikawa, T. et al. (1998). Theriogenology, 49: 382.
        7. Purohit, G.N. et al. (2000). Indian J. Anim. Sci., 70: 1064-1066.
        8. Sacher, B. et al. (1987). Anim. Breed. Abstr., 55: 6148.
        9. Sekizawa, F. et al. (1992). Theriogenology, 37: 295.
        10. Snedecor, G.W. and Cochran, W.G. (1975). Statistical Methods. Iowa State University Press, USA.
        11. Stringefellow, D.A. and Siedel, S.M. (1990). Manual of the International Embryo Transfer Society 309, West
        12. Clark Street, Champaign, IL 61820, USA, pp. 62.
        13. Totey, S.M. et al. (1992). Indian J. Anim. Reprod., 13: 117-120.
        14. Vyas, K.K. (1998). M.V.Sc Thesis, Rajasthan Agricultural University, Bikaner, Rajasthan, India.
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