According to the 1998 NRC Nutrient Requirements of Swine, Table 11-1, Chemical Composition of Some Feed Ingredients commonly used for swine, the composition of Blood plasma, spay dried is:

Dry matter - 91%
Crude Protein - 78%
Crude fat - 2.0%
Calcium - 0.15%
Phosphorus - 1.71%
Sodium - 3.02%
Chloride - 1.50%
Potassium - 0.20%
Iron - 55 mg/kg
AMINO ACIDS
Arginine - 4.55%
Histidine - 2.55%
Isoleucine - 2.71%
Leucine - 7.61%
LYSINE - 6.84%
Methionine - 0.75%
Cystine - 2.63%
Phenyalanine - 4.42%
Tyrosine - 3.53%
Threonine - 4.72%
Tryptophan - 1.36%
Valine - 4.94%