Zootechnical and physiological performance of broilers in the final stage of growth subjected to different levels of heat stress

Vista sencilla de ítem
dc.creatorJuan Carlos Pareja Arcila
dc.creatorIlda de Fatima Ferreira Tinoco
dc.creatorJairo Alexander Osorio Saraz
dc.creatorKeller Sullivan Oliveira Rocha
dc.creatorMárcia Gabrielle Lima Candido
dc.date2018
dc.date.accessioned2026-07-07T03:31:10Z
dc.descriptionThe objective of this work was to study the influence of different levels of thermal stress from the environment, including comfort levels (25 °C), heat stress (28 °C), moderate heat (31 °C), high heat (34 °C) and severe heat (37 °C), on the performance of broilers in the late growth (22-42 days), housed in environmental chambers. It has been determined the physiological and behavioral parameters of chickens (weight gain (WG), day weight gain (DWG), feed intake (FI), feed conversion ratio (FC), mortality (MORT), percentage of carcass of age as body weight (BW), carcass (CAR), breast (Bre), drumstick (Drum), wings (Win)), according the specific ranges of temperature; and was calculated the Temperature Index Black Globe Humidity (BGHI), for control and evaluation of the thermal environment of the treatments. In general, birds kept in temperature between 25-28 °C, during the three last week of life, performed better than those exposed to other situations, and indicating this would be the ambient temperature to the desired setting for birds in its final phase, compared with the other treatments, including those who remained at recommended temperature as thermal comfort throughout the experimental period.
dc.formatapplication/pdf
dc.identifier0304-2847
dc.identifierhttps://www.redalyc.org/articulo.oa?id=179956623004
dc.identifierhttps://www.redalyc.org/journal/1799/179956623004/
dc.identifierhttps://www.redalyc.org/journal/1799/179956623004/html/
dc.identifierhttps://www.redalyc.org/journal/1799/179956623004/179956623004.epub
dc.identifierhttps://www.redalyc.org/journal/1799/179956623004/movil
dc.identifier10.15446/rfna.v71n2.71927
dc.identifier.urihttp://hdl.handle.net/123456789/436229
dc.languageen
dc.publisherUniversidad Nacional de Colombia
dc.relationhttp://www.redalyc.org/revista.oa?id=1799
dc.rightsRevista Facultad Nacional de Agronomía - Medellín
dc.sourceRevista Facultad Nacional de Agronomía - Medellín (Colombia) Num.2 Vol.71
dc.subjectAgrociencias
dc.titleZootechnical and physiological performance of broilers in the final stage of growth subjected to different levels of heat stress
dc.typeartículo científico

Archivos

Colecciones

Revista Facultad Nacional de Agronomía - Universidad Nacional de Colombia