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. 2021 Apr 22;16(4):e0250351. doi: 10.1371/journal.pone.0250351

Table 2. Chemical composition (g/kg, as-fed basis), mineral content (g/kg, as-fed basis), vitamin content and amino acid content (g/100 g, as-fed basis) of the two diets (MDM = Mechanically Deboned Meat diet and MBP = Meat By-Product diet; mean±SD).

Items MDM1 MBP2
DM 940.5±0.5 930.1±0.3
Crude protein 263.1±0.2 264.7±1.0
Ether extract 176.8±0.3 187.0±2.7
Nitrogen free extract 401.4±0.8 373.8±4.8
Cellulose 26.6±0.9 24.1±0.6
Ash 72.6±0.9 80.6±1.5
Ca 15.6±0.8 18.4±4.7
P 10.7±0.4 12.4±3.0
Mg 1.41±0.07 1.41±0.34
Zn 0.28±0.01 0.27±0.01
Fe 0.29±0.01 0.26±0.03
Vitamin B1 (mg/kg) 12.1±0.1 10.1±0.2
Vitamin B2 (mg/100g) 1.47±0.01 1.28±0.02
Vitamin B12 (μg/kg) 0.11±0.01 0.09±0.00
Vitamin A (U.I/kg) 30267±896 31000±854
Vitamin D3 (U.I/kg) 2153±693 2280±324
Vitamin E (mg/kg) 194±17 189±7
Aspartic acid 2.30±0.03 2.29±0.03
Threonine 1.07±0.02 1.08±0.02
Serine 1.22±0.02 1.16±0.02
Glutamic acid 3.62±0.05 3.50±0.07
Proline 1.64±0.09 1.56±0.04
Glycine 2.32±0.04 2.45±0.05
Alanine 1.74±0.02 1.78±0.05
Valine 1.30±0.01 1.36±0.04
Methionine 0.67±0.02 0.54±0.02
Isoleucine 1.04±0.06 1.04±0.06
Leucine 2.11±0.01 1.99±0.03
Tyrosine 0.82±0.03 0.66±0.07
Phenylalanine 1.14±0.02 1.15±0.01
Lysine 1.50±0.06 1.60±0.04
Histidine 0.56±0.02 0.56±0.01
Arginine 1.80±0.03 1.84±0.04
Cysteine 0.26±0.01 0.24±0.02
Tryptophan 0.15±0.01 0.13±0.00
Metabolisable Energy (kJ/Kg) 16789 16998

1MDM ingredients: mechanically separated chicken meat, processed animal protein, rice, potato protein concentrate, animal fat, maize, beet pulp, brewer’s yeast, hydrolyzed animal protein, Spirulina platensis, Yucca schidigera, hydrolyzed cartilage, hydrolyzed crustaceans, methyl sulfonyl methane, Echinacea root, oregano, garlic, vitamin and mineral mix.

2MBP ingredients: processed animal protein, rice, potato protein concentrate, animal fat, maize, beet pulp, brewer’s yeast, hydrolyzed animal protein, Spirulina platensis, Yucca schidigera, hydrolyzed cartilage, hydrolyzed crustaceans, methyl sulfonyl methane, Echinacea root, oregano, garlic, vitamin and mineral mix.