Experiments have also demonstrated that cows with a BCS of 4 or lower had pregnancy rates of 61%, in contrast to 90% for those cows that calved with a BCS of 5 or greater (Selk et al. 1986). Females with restricted intake of energy have decreased levels of LH secretion, which is the hormone that signals ovulation.
The ingredients listed on the Murphy Oil Soap MSDS are potassium soap of vegetable oil, sodium EDTA (a preservative), water, fragrance, propylene glycol, and unspecified surfactants. None are listed as hazardous, but I wouldnât call this completely natural. I have no reason to believe that the fragrance is natural.
1 Keep this repellent away from children. Eucalyptus oil is toxic in high doses (4 mL to 5 mL of eucalyptus oil) for children. While this amount is far more than the amount described in the recipe, it's probably best to avoid the stuff just like the cats will do!  Do not spray on cats either or enable ingestion.