Repeat breeding


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Repeat breeding

  1. 1. RepeatRepeat breedingbreeding Dr. Babasaheb Nagurao Kumbhar M.V.Sc (Veterinary Public Health)
  2. 2. Repeat breedingRepeat breeding Female showFemale show NORMAL HEATNORMAL HEAT symptoms but not conceived insymptoms but not conceived in more than 2 to 3 servicemore than 2 to 3 service
  3. 3. Mainly seen in cross breed cows
  4. 4. Responsible FactorsResponsible Factors – Congenital and acquired factorsCongenital and acquired factors – Early embryonic deathEarly embryonic death – Technological factorsTechnological factors – Nutritional /managemental factorsNutritional /managemental factors 1.1. Female factorsFemale factors 2.2. Male factorsMale factors
  5. 5. Congenital factorsCongenital factors • Underdeveloped genitaliaUnderdeveloped genitalia • Aplasia of genitalia / Segmented oviductAplasia of genitalia / Segmented oviduct • Congenital defect in ovaryCongenital defect in ovary • Defect of oviductDefect of oviduct • Defect in cervix :- Kinked cervixDefect in cervix :- Kinked cervix Rx Inj.EpidosinRx Inj.Epidosin Small ovarySmall ovary Low receptor for GnRHLow receptor for GnRH Low cyclic activity ofLow cyclic activity of ovary…….silent heatovary…….silent heat
  6. 6. Aplasia of genitaliaAplasia of genitalia Ovary developedOvary developed Ovulation occurOvulation occur But ovum not reach to site of fertilisationBut ovum not reach to site of fertilisation No fertilizationNo fertilization
  7. 7.  E n d o c rin e fa c to r F e m a le f a c t o r s Other factors Impaired function of •Hypothalamus •Pituitary •Ovarian activity • Persistent CL • Follicular/ • Leuteal Cyst • Anvolutory heat • Delayed ovulation • Failure of nidation of embryo • Failure collection of ova by fimbria
  8. 8. Normal endocrine functionNormal endocrine function GnRH (hypothalamus)GnRH (hypothalamus) Stimulate pituitaryStimulate pituitary Release FSHRelease FSH
  9. 9. Act on ovarian receptorAct on ovarian receptor Development of follicleDevelopment of follicle G.FG.F signal to pituitarysignal to pituitary Normalendocrinefunction Normalendocrinefunction
  10. 10. Release LHRelease LH LH surgeLH surge OvulationOvulation Normalendocrinefunction Normalendocrinefunction
  11. 11. AI/NS fertilization Zygote/embryo No AI/NS Formation CL pregnancy CL progesterone secretion prostaglandin secretion Leuteolytic activity CL Regress signal to pituitary estrus ReleaseRelease ova/ovumova/ovum ovulation
  12. 12. TreatmentTreatment • Inj.GnRHInj.GnRH e.g inj.Gynyarich / Receptale.g inj.Gynyarich / Receptal • Inj.ProstaglandinInj.Prostaglandin e.g Inj.Vetmate/Pragmae.g Inj.Vetmate/Pragma • Inj.Progesterone for pregnancyInj.Progesterone for pregnancy e.g P-depot / duraprogene.g P-depot / duraprogen • lugol’s iodine painting on cervixlugol’s iodine painting on cervix • Rx of genital tract diseaseRx of genital tract disease
  13. 13. Male factorsMale factors DiseaseDisease 1.1. TrichomoniasisTrichomoniasis 2.2. VibriosisVibriosis 3.3. BrucellosisBrucellosis Testicular diseaseTesticular disease •Testicular degeneration/hypoplasiaTesticular degeneration/hypoplasia •Cryptorchidism /neoplasmCryptorchidism /neoplasm •OrchitisOrchitis Semen qualitiesSemen qualities •Low sperm concentrationLow sperm concentration •More dead sperm /More dead sperm / •Abnormal spermAbnormal sperm •Obtained from older bullObtained from older bull
  14. 14. TreatmentTreatment • Collection of semen fromCollection of semen from healthy bullhealthy bull • Rx of venereal diseaseRx of venereal disease • Hygienic collection of semenHygienic collection of semen • Regular check of strawRegular check of straw
  15. 15. Technological factorsTechnological factors • AI techniqueAI technique • Improper thawing,Improper thawing, • Improper handling of strawImproper handling of straw • AI in early pregnant showingAI in early pregnant showing gestational estrusgestational estrus • Hormonal treatmentHormonal treatment • Vigorous handling of genitalia in PDVigorous handling of genitalia in PD
  16. 16. TreatmentTreatment • Proper management and handling semenProper management and handling semen • AI with skilled personAI with skilled person • Avoid vigorous handling of genitaliaAvoid vigorous handling of genitalia • Proper detection of heatProper detection of heat • ProperProper time, site, dosetime, site, dose of semenof semen • Avoid unwanted hormonal RxAvoid unwanted hormonal Rx
  17. 17. Nutritional factorsNutritional factors Under nutrition •Vit-A ,D,E deficiency •Mineral deficiency –P
  18. 18. TreatmentTreatment • Inj.Vit-aInj.Vit-a • Inj.Tonophosphone /T-phos /any or ‘P’Inj.Tonophosphone /T-phos /any or ‘P’ preparationpreparation • Mineral mix orallyMineral mix orally
  19. 19. Managemental factorsManagemental factors • Heat stress in female and maleHeat stress in female and male • More herd sizeMore herd size
  20. 20. Heat stressHeat stress Female Duration of O.C. shorten Intensity of heat sign reduced No prominent heat sign Owner unable to give proper history Unable to fellow AM / PM rule Male More temperature Affect thermoregulatory system of testis Low quality of semen
  21. 21. THANK………THANK………