The objective of this study was to evaluate the effects of
feeding one- to three-day-old chicks (WHO), ground adult chicken (GRO), a chicken-based
canned diet (CAN) and a chicken-based extruded diet (EXT) on apparent total
tract energy and macronutrient digestibility, N balance and blood metabolites
of domestic cats.
Macronutrient, energy and moisture concentrations of diets
varied greatly; however, cats fed all diets maintained BW and N balance. In
general, cats fed WHO had lower nutrient digestibility than those fed CAN and
EXT. Cats fed GRO had greater nutrient digestibility than cats fed commercial
diets. Many blood metabolites were modified by diet, but most remained within
reference ranges for domestic cats. Serum cholesterol was elevated above the
reference range for all treatments, and greater for cats fed WHO compared with
those fed CAN, EXT and GRO. Serum creatinine concentrations were above the
reference range for all treatments, and greater for cats fed GRO compared with
those fed CAN or WHO.
These data indicate that the whole prey tested herein
maintained short-term health and are adequately digestible for utilization in
companion animal diets. Research is needed to determine the global and
long-term health implications of feeding whole or ground diets to domestic
cats, which may be different in terms of macronutrient, energy and moisture
profiles and nutrient digestibility.
Source: K.R. Kerr
et al., 2014. Apparent total tract
energy and macronutrient digestibility of 1- to 3-d old, adult ground, extruded
and canned chicken-based diets in domestic cats (Felis silvestrus catus). J
Anim Sci online, July 2014. doi: 10.2527/jas.2013-6615.
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