Relationship between the nutritional state before the breeding period and the reproductive success in alpacas (Vicugna pacos) from the Chilean Puna

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dc.contributor.authorNorambuena, Cecilia
dc.contributor.authorHernández, Francisca
dc.contributor.authorAlfaro, Jorge
dc.contributor.authorCárcamo, Gustavo
dc.contributor.authorClavarría, Ángela
dc.contributor.authorVelasco, Miriam
dc.date2018
dc.date.accessioned2019-11-13T19:21:21Z
dc.date.available2019-11-13T19:21:21Z
dc.date.issued2019-11-13
dc.description.abstractA poor nutritional state may explain the low fertility rates of domestic camelids from Puna herds. The objective of this study was to determine the relationship between the nutritional state of alpacas before the breeding period and their reproductive success. The body live weight (BLW) and body condition score (BCS; scale from 1-5) of 35 non-pregnant non-lactating alpacas from the Caquena bofedal in Chile were registered previous to the breeding period. In addition, blood samples were collected (heparinised tubes) to determine the plasma concentration of cholesterol (CHOD-PAP method), triglycerides (GPO-PAP method) and NEFA (enzymatic colorimetric method). Pregnancy was determined by trans-rectal ultrasonography (7.5 MHz, Samsung Madison, Korea) at the end of the breeding period. Data from Pregnant and Non-Pregnant groups were compared using Mann-Whitney U test (SPSS programme; P< 0.05). Pregnant (n=20) and Non-pregnant groups (n=15) had similar BLW (47.1 ± 8.8 compared to 52.8 ± 11.1 kg, respectively; P = 0.9), BCS (3.0 ± 0.4 compared to 3.1 ± 0.4, respectively; P = 0.5), plasma cholesterol (1.0 ± 0.4 compared to 0.9 ± 0.3 mmol/l, respectively; P=0.7), triglycerides (0.3 ± 0.1 compared to 0.4 ± 0.1 mmol/l, respectively; P = 0.3), and NEFA (0.6 ± 0.4 compared to 0.8 ± 0.6 mmol/l, respectively; P = 0.1) before the breeding period. NEFA values of both groups showed evidence of negative energy balance. The nutritional state of alpacas before the breeding period did not explain the differences obtained in their reproductive success.es_ES
dc.formatPDFes_ES
dc.identifier.citationAustral journal of veterinary sciences, Vol. 50, N°1, 55-57, 2018
dc.identifier.doi10.4067/S0719-81322018000100110es_ES
dc.identifier.urihttp://repositoriodigital.uct.cl/handle/10925/2081
dc.language.isoenes_ES
dc.sourceAustral journal of veterinary scienceses_ES
dc.subjectCamélidoses_ES
dc.subjectNutrición animales_ES
dc.subjectFertilidades_ES
dc.titleRelationship between the nutritional state before the breeding period and the reproductive success in alpacas (Vicugna pacos) from the Chilean Punaes_ES
dc.typeArtículo de Revistaes_ES
uct.catalogadorpbces_ES
uct.comunidadRecursos Naturaleses_ES
uct.indizacionISI - Science Citation Indexes_ES
uct.indizacionSCIELOes_ES
uct.nucleosNúcleo en Producción Alimentariaes_ES
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