EVALUACIÓN BIOLÓGICA EN RATAS DE LABORATORIO (Rattus norvegicus) DE FUENTES PROTEICAS USADAS EN ALIMENTOS COMERCIALES PARA PERROS

Authors

  • Walter Silva S. Práctica Privada
  • Teresa Arbaiza F. Laboratorio de Bioquímica, Nutrición y Alimentación Animal, FMV-UNMSM
  • Fernando Carcelén C. Laboratorio de Bioquímica, Nutrición y Alimentación Animal, FMV-UNMSM
  • Orlando Lucas A. Laboratorio de Bioquímica, Nutrición y Alimentación Animal, FMV-UNMSM

DOI:

https://doi.org/10.15381/rivep.v14i1.1590

Keywords:

soy meal, meat meal, chicken meal, PER, NPU, digestibility, biological value, rats

Abstract

The aim of this study was to biologically assess three protein sources used in commercial dog food: soy meal (TS), meat meal (HC), and chicken meal (HP) using four biological tests: Protein Efficiency Ratio (PER), True Digestibility (DV), Net Protein Utilization (NPU) and Biological Value (VB). 40 albino laboratory rats of 23 days of age were used. Five groups were formed according to the protein source: groups TS, HC, HP, control group (sodium caseinate) and a non protein-group. The results were: PER: TS = 1.86, HC = 1.39, HP = 1.69, control = 2.11; DV: TS = 98.76, HC = 96.95, HP = 98.13, control = 99.19; NPU: TS = 58.19, HC = 35.52, HP = 60.19, control = 96.46; VB: TS = 0.59, HC = 0.37, HP = 0.61, control = 0.97. PER results in the HC group were significantly lower than other groups (p<0.05). There was not statistical differences on PER between groups HP and TS. All protein sources had a high true digestibility. The HC was the protein source of less quality because the lowest PER, NPU and VB values. It is concluded that to asses the quality of protein nutrients is not enough to establish the protein content and digestibility, but to conduct biological tests.

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Published

2003-07-15

Issue

Section

Artículos Primarios

How to Cite

Silva S., W., Arbaiza F., T., Carcelén C., F., & Lucas A., O. (2003). EVALUACIÓN BIOLÓGICA EN RATAS DE LABORATORIO (Rattus norvegicus) DE FUENTES PROTEICAS USADAS EN ALIMENTOS COMERCIALES PARA PERROS. Revista De Investigaciones Veterinarias Del Perú, 14(1), 18-23. https://doi.org/10.15381/rivep.v14i1.1590