Overview
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Key numbers
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- crease the dietary fiber content of cat foods. to less than 10% moisture. Dried kibbles were
- 10% of Miscanthus grass, cellulose, or beet characteristics. Kibbles containing cellulose re-
- common in cats than dogs, wherein 33.5% of cats fat is topically applied to extruded pet foods, its
- 2018). Table 1). Cellulose and beet pulp were purchased
- foods to consumers. 10% for all treatment. At a similar inclusion among
- Table 1. Ingredient and nutrient composition of experimental cat foods
- Corn gluten meal (75% crude protein) 5.00 5.00 5.00
- Crude protein, % 35.40 34.20 33.80
- Crude fat, % 11.40 12.00 11.60
- Ash, % 7.16 7.01 7.00
- Crude fiber, % 5.56 8.90 2.95
- Nitrogen-free extractd, % 26.81 26.79 31.32
- Vitamin E supplement (79,887 IU/kg), niacin supplement (64,736 mg/kg), calcium pantothenate (12,186 mg/kg), vitamin A supplement
- (17,162,998 IU/kg), thiamin mononitrate (14,252 mg/kg), pyridoxine hydrochloride (5,537 mg/kg), riboflavin supplement (4,719 mg/kg), vitamin
- D3 supplement (920,000 IU/kg), biotin (70 mg/kg), vitamin B12 supplement (22 mg/kg), and folic acid (720 mg/kg), as is basis.
- Zinc sulfate (88,000 mg/kg), ferrous sulfate (38,910 mg/kg), copper sulfate (11,234 mg/kg), manganous oxide (5,842 mg/kg), sodium selenite
- (310 mg/kg), calcium iodate (1,584 mg/kg), as is basis.
- Added after the diets were dried to less than 10% moisture as a coating step.
- extruder barrel, die temperature, die pressure, knife at 115.5 ºC until moisture was less than 10%.
- a coating after the diets were dried at 4% and 1% Chemical and Physical Analyses
- cell. A cylindrical probe (25 mm diameter) was used to analyze the data. Treatment means were
- used to compress 30 kibbles from each collection considered different at an alpha of 5% by Fisher
- level was set at 90%. Kibble hardness (N) was the To reiterate, when referring to the fiber sources,
- energy to compress (N mm) the kibbles to 90% the experimental diets, the abbreviations will be
- compressed kibble. Negative values were rounded the same except for the source of fiber (Table 1).
- were similar among diets (Table 1). et al., 2008; Roudebush, et al., 2008; Owens et al.,
- sion energy (Table 3). The BP diet tended to have et al., 2012a, 2012b; Kallu et al., 2017; Wang et al.,
- ticles by target size. As a result, a higher variation eters were affected by the fiber source (Table 2).
- Table 3. Kibble characteristics out of the extruder and drier, shrinkage, and macrostructure of dry cat foods
- Means with unlike superscripts differ, P < 0.05.
- Table 4. Chemical composition, bulk density, and particle size of tested fiber sources
- Crude fiber, % 47.58 76.29 20.21
- Neutral detergent fiber, % 77.68 92.76 34.15
- Acid detergent lignin, % 13.68 0.73 6.38
- mean retention time. J. Anim. Sci. 68:4229–4235. doi:10.2 and B. F. Harland. 1985. Determination of total dietary
Methods (brief)
- each 20 min interval, 10 kibbles were collected after fiber (AOCS Ba 6a-05 method) (AOCS, 2017), acid
- ducted the study, sample, and data analysis. All diets varying in fibre sources on nutrient utilization, stool
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