Effect of Threonine and the Bioactive Component of Saccharomyces Cerevisiae on the Productive Performance of the Broiler Cobb 500

ESPOCH Congresses

C. Vimos Abarca¹  J. Trujillo Villacís¹  P. Toalombo Vargas¹  J. Encalada Álvarez²  L. Silva Deley³ 

[1] Carrera de Zootecnia, Facultad de Ciencias Pecuarias, Escuela Superior de Chimborazo, Riobamba, Ecuador;Investigadora independiente;Medicina Veterinaria, Universidad Técnica de Cotopaxi, Latacunga, Ecuador;

关键词: physical and mechanical properties of wood, three-layer boards;   

DOI  :  10.18502/espoch.v1i5.9579

来源: DOAJ

【 摘 要 】

Abstract The present investigation aims to determine the physical and mechanical properties in three-layer boards of Teak (Tectona grandis), Seike (Cedrelinga catenaeformis) and Mascarey (Hieronima alchorneoides), from the PISMADE S.A. Company, Canton Riobamba, province of Chimborazo. The three specimens used for each of the species in each of the tests performed were worked on using the ASTM D143-94 standard for the tests of parallel compression, perpendicular compression and flexion, and the DIN-52182 standard, with the main variation in thickness measurements caused by the commercial use established by the company. Mechanical tests showed that Seike had the best results, being superior in two tests: perpendicular compression and flexion. Teak tests gave us results that were superior in the perpendicular compression test. Mascarey, unlike the two species mentioned above, had complications during the trials due to problems with the glue between layers.

【 授权许可】

Unknown