Characterization of embryonic mortality in broilers

Caracterización de mortalidad embrionaria en pollos de engorde

dc.creatorPeñuela S, Adriana
dc.creatorHernandez V, Aureliano
dc.date2018-01-10
dc.date.accessioned2022-12-15T14:42:53Z
dc.date.available2022-12-15T14:42:53Z
dc.identifierhttps://revistamvz.unicordoba.edu.co/article/view/1245
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/5353265
dc.descriptionObjective. The purpose of this study was to characterize the incidence of EM in Ross 308 strain eggs. Materials and methods. A prospective cohort study was performed, through candling and embryodiagnosis, in 4 groups of eggs coming from 4 different age breeders. Other data such as percentage of infertility, malformation, malposition, cracked and contaminated eggs were reported. Results. General EM reached 16.08% IC95% (14.69; 17.60) and was different among the different age-groups (p<0.001), being higher for eggs from 64 week-old breeders with 27.66% IC95%(23.92; 31.99) and lower for the 47 weeks old ones (8.84% IC95%) (6.97; 11.22). In the first week of incubation 57.53% of the embryos died and mortality was at its highiest during days 1 and 3; in the second week EM was 38.42% died, with a maximum of deaths between days 19 and 21. Conclusions. This study allowed confirmation on the biphasic behaviour of EM, although there are variations in the peaks of mortality possibly attributed to differences in production conditions for each enterprise.en-US
dc.descriptionObjetivo. El propósito de este estudio fue caracterizar la incidencia de mortalidad embrionaria (ME) en huevos de estirpes Ross 308 en una empresa de Santander, Colombia. Materiales y métodos. Se realizó un estudio de cohorte prospectivo en el cual se siguieron durante la incubación, por medio de ovoscopía y embriodiagnóstico, 4 grupos de huevos provenientes de reproductoras de 4 edades diferentes. Se reporta el porcentaje de infertilidad, de malformaciones, malposición, huevos fisurados y contaminados. Resultados. La ME general alcanzó 16.08% IC95%(14.69; 17.60) y fue diferente entre los grupos de edad (p<0.001); esta fue mayor para los huevos de reproductoras de 64 semanas con 27.66% IC95% (23.92; 31.99) y menor para las de 47 semanas con 8.84% IC95% (6.97; 11.22). En la primera semana de incubación murió el 57.53% de los embriones y se presentó el pico de muerte entre los días 1 y 3; la segunda semana murió el 38.42%, con un máximo de muertes entre el día 19 y 21. Conclusiones. Este estudio, es el primero de su naturaleza para la zona y la estirpe y permitió confirmar el comportamiento bifásico de la ME aunque existen variaciones en los picos de mortalidad atribuidas posiblemente a las diferencias de las condiciones de producción propias de las empresas.es-ES
dc.formatapplication/pdf
dc.formatapplication/xml
dc.languagespa
dc.publisherUniversidad de Córdobaes-ES
dc.relationhttps://revistamvz.unicordoba.edu.co/article/view/1245/pdf
dc.relationhttps://revistamvz.unicordoba.edu.co/article/view/1245/2483
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dc.sourceJournal MVZ Cordoba; Vol. 23 No. 1 (2018): Revista MVZ Córdoba Volumen 23(1) Enero-abril 2018; 6500-6513en-US
dc.sourceRevista MVZ Córdoba; Vol. 23 Núm. 1 (2018): Revista MVZ Córdoba Volumen 23(1) Enero-abril 2018; 6500-6513es-ES
dc.source1909-0544
dc.source0122-0268
dc.subjectFlocksen-US
dc.subjectincubationen-US
dc.subjectembryo mortalityen-US
dc.subjectReproductorases-ES
dc.subjectincubaciónes-ES
dc.subjectmortalidad embrionariaes-ES
dc.titleCharacterization of embryonic mortality in broilersen-US
dc.titleCaracterización de mortalidad embrionaria en pollos de engordees-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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