Never heard of this one before. But I went to the USDA web site to find the nutritioanl information on venison and came up with the table below for 1# of venison.
    What jumped out at me is that "Sugars, total"  are listed at 0. Could this be why, or a contributing factor?
 
Dave & Ruth
 
Game meat, deer, raw
Refuse: 0%  
Scientific Name: 
NDB No: 17164 (Nutrient values and weights are for edible portion)

Nutrient Units Value per
100 grams
Number
of Data
Points
Std.
Error
1.00 X 1 lb
-------
453.6g
Proximates
Water
g
73.57
44
0.188
333.71
Energy
kcal
120
0
 
544
Energy
kj
502
0
 
2277
Protein
g
22.96
33
0.263
104.15
Total lipid (fat)
g
2.42
50
0.211
10.98
Ash
g
1.16
27
0.054
5.26
Carbohydrate, by difference
g
0.00
0
 
0.00
Fiber, total dietary
g
0.0
0
 
0.0
Sugars, total
g
0.00
0
 
0.00
Minerals
Calcium, Ca
mg
5
20
0.47
23
Iron, Fe
mg
3.40
20
0.221
15.42
Magnesium, Mg
mg
23
14
0.292
104
Phosphorus, P
mg
202
19
4.781
916
Potassium, K
mg
318
19
14.334
1442
Sodium, Na
mg
51
19
2.065
231
Zinc, Zn
mg
2.09
14
0.142
9.48
Copper, Cu
mg
0.253
19
0.011
1.148
Manganese, Mn
mg
0.041
13
0.002
0.186
Selenium, Se
mcg
9.7
0
 
44.0
Vitamins
Vitamin C, total ascorbic acid
mg
0.0
0
 
0.0
Thiamin