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

S. Walter Silva, F. Teresa Arbaiza, C. Fernando Carcelén, A. Orlando Lucas

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

1 Cita (Scopus)

Resumen

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.

Título traducido de la contribuciónBiological assessment of protein sources in laboratory rats (Rattus norvegicus) used in commercial dog foods
Idioma originalEspañol
Páginas (desde-hasta)18-23
Número de páginas6
PublicaciónRevista de Investigaciones Veterinarias del Peru
Volumen14
N.º1
EstadoPublicada - 2003
Publicado de forma externa

Nota bibliográfica

Publisher Copyright:
© 2003 Universidad Nacional Mayor de San Marcos. All rights reserved.

Palabras clave

  • Biological value
  • Chicken meal
  • Digestibility
  • Meat meal
  • NPU
  • PER
  • Rats
  • Soy meal

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