Page 632 - Hand rearing birds second

Table­41.4­ Nutrient composition of various insect-substitute diets (DMB = dry matter basis).
Gut-loaded Gut-loaded BuNS FoNS­2018­ Mazuri Robyn’s­ Basic­Nestling­
mealworms a crickets b,c 2019 d Wellness e Nestling­Meal­ f Songbird­Diet­ g Diet h
Moisture (%) 57.8 70–73 73 71 65–85 76 68–72
Crude Protein (%, DMB) 38.9 66.6 57.2 51.2 50.0 42.0 45.0
Crude Fat (% DMB) 45.4 22.2 24.9 20.0 24.0 24.0 19.5
Fiber (% DMB) 7.7*** 10.2 8.6 2.8 3.3 2.6 ND*
Carbohydrate (% DMB) 4.4 3.6 1.7 17.5 5.4 24.0 ND*
Energy (kcal/g DMB) 5.8 4.7 4.5 4.5 3.1 4.5 4.7**
Ash (% DMB) 3.5 3.6 3.6 7.4 7.3 7.4 ND*
Calcium (% DMB) 0.69 1.16 1.73 2.05 1.40 1.79 1.66
Phosphorus (% DMB) 0.57 0.96 0.86 1.18 1.10 0.87 1.07
Ca:P 1.21:1 1.21:1 2.01:1 1.73:1 1.27:1 2.06:1 1.55:1
Iron mg/kg DMB 58 63 88 230 215 ND* ND*
Zinc mg/kg DMB 86 218 182 180 72 ND* ND*
Vitamin A (IU/kg DMB) ND* 3630 18 000 29 200 4550 ND* ND*
Vitamin D (IU/kg DMB) ND* 313 2,253 2,463 2,294 ND* ND*
a Bernard and Allen 1997.
b Finke 2002.
c Finke et al. 2005.
d Modified by the authors from Winn and Finke 2017.
e Winn and Finke 2017.
f http://www.mazuri.com/product_pdfs/5S90.pdf
g Grabowski. 2014.
h Duerr 2007.
* Not determined
** Determined from published values on individual product composition, where provided, or using Atwaters factors of 4 kcal/g protein, 9 kcal/g fat, 4 kcal/g carbohydrate
*** Acid detergent fiber, not crude fiber.

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