I dont see a problem with it but I have never used it on heifers
Guaranteed Analysis
Ingredient Per Serving Per Pound
Crude Fat Min 99.0%
Total Fatty Acid, Min 95.0%
Free Fatty Acids, Mac 1.0%
Unsaponifiable Matter, Max 1.5%
Insoluble Impurities, Max 0.5%
Moisture, Max 1.0%...