How to Cite
Uribe Velásquez, L. F. ., Gutiérrez Toro, C. ., Carreño Ortiz, E. E. ., Izquierdo Jiménez, J. H. ., Lenz Souza, M. I. ., & Ángel Botero, S. . (2011). Re-use of intravaginal progesterone devices (CIDR) associated with the short-term protocol in goats. Revista Veterinaria Y Zootecnia (On Line), 5(1), 39–46. Retrieved from https://revistasojs.ucaldas.edu.co/index.php/vetzootec/article/view/4478

Authors

Luis Fernando Uribe Velásquez
Universidad de Caldas
lfuribe@ucaldas.edu.co
Carolina Gutiérrez Toro
Universidad de Caldas
sincorreo@ucaldas.edu.co
Edward Edgardo Carreño Ortiz
Universidad de Caldas
sincorreo@ucaldas.edu.co
Jorge Hernán Izquierdo Jiménez
Universidad de Caldas
sincorreo@ucaldas.edu.co
Maria Inês Lenz Souza
Universidade Federal de Mato Grosso do Sul, UFMS
sincorreo@ucaldas.edu.co
Santiago Ángel Botero
Corporación Universitaria del Huila
sincorreo@ucaldas.edu.co

Abstract

ABSTRACT: The effect of the so-called Short-Term Protocol (6 to 9 day progesterone treatment + eCG) on oestrous, progesterone plasma concentration and fertility was studied in goats (SRD). Females were subjected to estrous synchronization protocols with a re-use of intravaginal progesterone devices (CIDR) with 0.3 g of progesterone. The goats were randomly in three treatments (n=9/group); T1 (CIDR - 6d), T2 (CIDR - 9d) and T3 (CIDR - 13d). At dispositive withdrawal was administrated 500 UI intramuscular injection of eCG (equine chorionic gonadotropine). Blood samples by jugular venopunture for progesterone (P4 ) plasma concentration determination were collected in four moments: collect 1 (CIDR insert); collect 2 (CIDR withdrawal); collect 3 (estrous day) and collect 4 (at day 21 after natural service). The variables were evaluated with the variance analysis under GLM procedures of statistical package SAS. Goats were checked for oestrous. The onset of the synchronized estrous after removal CIDR did not show differences (P>0.05) and the interval were longer in T1 (94.74±82,60 h) than T2(55.19±28.27 h) and T3(52.89±29.66 h). No significant differences were observed in pregnancy rate (number pregnant goats/number goats treated) with results of 66.67; 44.44 and 44.44% for T1, T2 and T3, respectively. In summary, the results of this study show that the re-use of the devices, associated with the short-term protocol for 6 or 9 days is possible in goats (SRD) in tropical environment conditions of Colombia.

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