dor_id: 60444

506.#.#.a: Público

590.#.#.d: Los artículos enviados a la revista "Veterinaria México OA", se juzgan por medio de un proceso de revisión por pares

510.0.#.a: Consejo Nacional de Ciencia y Tecnología (CONACyT); Sistema Regional de Información en Línea para Revistas Científicas de América Latina, el Caribe, España y Portugal (Latindex); Scientific Electronic Library Online (SciELO); Bibliografía Latinoamericana (Biblat); La Red de Revistas Científicas de América Latina y el Caribe, España y Portugal (Redalyc); Connecting research and researchers (ORCiD)

561.#.#.u: https://www.fmvz.unam.mx/

650.#.4.x: Biotecnología y Ciencias Agropecuarias

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: https://veterinariamexico.fmvz.unam.mx/index.php/vet/index

351.#.#.b: Veterinaria México OA

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

590.#.#.c: Open Journal Systems (OJS)

270.#.#.d: MX

270.1.#.d: México

590.#.#.b: Concentrador

883.#.#.u: https://revistas.unam.mx/catalogo/

883.#.#.a: Revistas UNAM

590.#.#.a: Coordinación de Difusión Cultural

883.#.#.1: https://www.publicaciones.unam.mx/

883.#.#.q: Dirección General de Publicaciones y Fomento Editorial

850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/564/545

100.1.#.a: Martinez Rojas, Ingrid Yolani; López Coello, Carlos; Ávila González, Ernesto; Arce Menocal, J.; Gomes, G. A.

524.#.#.a: Martinez Rojas, Ingrid Yolani, et al. (2018). Effect of phytase dose on productive performance and bone status of layers fed with graded levels of digestible lysine. Veterinaria México OA; Vol. 5 Núm. 3, 2018. Recuperado de https://repositorio.unam.mx/contenidos/60444

245.1.0.a: Effect of phytase dose on productive performance and bone status of layers fed with graded levels of digestible lysine

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Medicina Veterinaria y Zootecnia, UNAM

264.#.0.c: 2018

264.#.1.c: 2018-08-07

653.#.#.a: bone parameters; digestible lysine; laying hens; phytase dose; productive performance

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY 4.0 Internacional, https://creativecommons.org/licenses/by/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico vetmexicooa@gmail.com

884.#.#.k: https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/564

001.#.#.#: 131.oai:ojs.pkp.sfu.ca:article/564

041.#.7.h: eng

520.3.#.a: Exogenous phytase could influence dietary protein availability by variation in using dose. The objective of the present study was to determine if incremental dosing of an evolved e.coli 6-phytase would lead to improvements in lysine availability through evaluating performance and bone status in bovans white layers. A total of 182 layers were placed in individual cages and distributed to 13 treatments a 3×4 factorial arrangement with three levels of digestible lysine (dlys - 0.67, 0.77, and 0.87 %) and four doses of phytase (0, 300, 1 200, and 4 800 ftu/kg) in 0.12 % available p (avp) diets. additionally, one phytase-free control treatment was included with 0.25 % avp and 0.87 % dlys. productive parameters were recorded for 25 weeks, from 39 week-old. at the end, abdominal fat deposition and the tibia were sampled; in bone was determined breaking strength and bone ash. layers fed 1 200 ftu/kg phytase increased egg production percentage (f3,169 = 2.01, p = 0.019), abdominal fat deposition (f3,169 = 2.52, p = 0.059), bone breaking strength (f3,169 = 4.29, p = 0.006) and bone ash weight (f3,169 = 3.62, p = 0.015) compared with non-phytase inclusion. furthermore, 1 200 ftu/kg phytase decreased incidence of broken eggs and soft-shell eggs (f3,169 = 2.9, p = 0.037). phytase and dlys levels influenced egg mass and bone ash concentration (f12,169 = 1.86, p = 0.043). fcr and body weight loss was reduced with phytase inclusion (respectively f12,169 = 2.43, p = 0.045, and f12,169 = 2.24, p = 0.001). phytase-free control diet increased egg weight (f12,169 = 3.70, p < 0.068), but gave greater bw loss (f12,169 = 17.79, p < 0.001), less abdominal fat content (f12,169 = 5.85, p < 0.017), and no effect on other variables (p > 0.07). in conclusion, 1 200 ftu/kg of phytase improved productive performance and preserved body weight and bone status, without equivalence of phytase inclusion for dlys level, even with higher doses.figure a. response of egg marketable mass

773.1.#.t: Veterinaria México OA; Vol. 5 Núm. 3 (2018)

773.1.#.o: https://veterinariamexico.fmvz.unam.mx/index.php/vet/index

022.#.#.a: ISSN electrónico: 2448-6760

310.#.#.a: Trimestral

264.#.1.b: Facultad de Medicina Veterinaria y Zootecnia, UNAM

doi: https://doi.org/10.22201/fmvz.24486760e.2018.3.564

harvesting_date: 2023-11-08 13:10:00.0

856.#.0.q: application/pdf

last_modified: 2024-03-19 14:00:00

license_url: https://creativecommons.org/licenses/by/4.0/legalcode.es

license_type: by

_deleted_conflicts: 2-53b57dc5fd686a346f904e477bbccb23

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