César Ordoñez1, Enrique Ampuero1, Nancy Huanca1, Nélida Llocallasi1, Hernán Cucho1, Christian Hanzen2 1Professional School of Animal Science, National.

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Presentation transcript:

César Ordoñez1, Enrique Ampuero1, Nancy Huanca1, Nélida Llocallasi1, Hernán Cucho1, Christian Hanzen2 1Professional School of Animal Science, National University of San Antonio Abad of Cusco 2Faculty of Medicine Veterinary, Department of Theriogenology, University of Liege Evaluation of two intravaginal implants for the synchronization of estrus in Criollo cattle in Peru to compare the effect of two vaginal implants protocols on the follicular characteristics, the vaginal electrical resistance and the pregnancy rate of Criollo cattle reared in altitude (3100 m). Goal D1 D7 0 h DIB system Agrihealth NZ 48 h 72h Oestr Benzo 2 mg 1 mg PGF2a CIDR Zoetis 54 h TAI D 45 Vaginal conductivity Follicular diameter perimeter Pregnancy diagnosis N = 23 N = 30 P4 : 1g P4 : 1,38g Protocol Perimeter Diameter Results Treatment n Electrical resistance (ohm) Follicle diameter (mm) Follicle circumference (mm) Pregnancy rate (%) DIB ® 30 240.3 ± 32.5 9.2 ± 1.9 24.8 ± 4.6 63.3 CIDR ® 23 224.8 ± 39.8 9.0 ± 2.1 24.4 ± 4.9 69.6 Total/Average 53 233.6 ± 36.3 9.1 ± 1.9 24.6 ± 4.7 66.0 The two vaginal implants protocols don’t have any significant differences (P>0,05) on the follicular characteristics, the vaginal electrical resistance and the pregnancy rate of Criollo cattle reared in altitude (3100 meters). Conclusion This research was sponsorised by the Canon fund UNSAAC