Nivel sérico de estradiol a la monta y su efecto sobre la tasa de concepción en alpacas

Translated title of the contribution: Serum oestradiol level during matingand its effect on conception rate in thealpaca

C. Arturo Díaz, U. Héctor Huamán, S. José Camacho, B. Antonio Ampuero, M. Daniel Quispe, Olger Pedro Ramos Coaguila

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The aim of the study was to determine the serum oestradiol level in adult alpacas during the first post-partum mating and its effect on conception rate. It was selected 85 non-lactating female adult alpacas without calf at foot. Sexual receptive females were mated with a male of proven fertility. Blood samples were collected at mating and the level of oestradiol in serum was determined by radioimmunoassay. Conception was determined by ultrasound at 25-27 days of mating. Oestradiol values were distributed in two groups: A (<0.5 pg/mL) and B (>0.5 pg/mL), where the mean was 0.78 ± 0.39 pg/mL. Conception rate in alpacas with low oestradiol level at time of mating was 52.5% and in alpacas with high level was 66.7% without significant difference. Results indicate the lack of influence of oestradiol levels on conception rate.

Translated title of the contributionSerum oestradiol level during matingand its effect on conception rate in thealpaca
Original languageSpanish
Pages (from-to)312-317
Number of pages6
JournalRevista de Investigaciones Veterinarias del Peru
Volume22
Issue number4
StatePublished - 2011
Externally publishedYes

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