If a fox eats more food than it needs its reproduction rate/coefficient increases

//This "else" statement has been added to increase the Reproduction Rate if the fox has eaten as much as, or more than, it needs.
if (FoodUnitsConsumedThisPeriod < FoodUnitsNeeded)
                    {
                        CalculateNewAge();
                        if (ShowDetail)
                        {
                            Console.WriteLine("  Fox ages further due to lack of food.");
                        }
                    }
                    else
                    {
                        ReproductionBonus = 0.3;
                        if (ShowDetail)
                        {
                            Console.WriteLine(" Fox wants some poon because he ate too much. Reproduction Rate increased by 0.3 for this turn.");
                        }
                    }

// To implement this change, a "ReproductionBonus" variable has been created within the fox class:
private double ReproductionBonus = 0;

//The new ReproductionBonus is implemented to affect the Reproduction Rate as shown below:
 public bool ReproduceThisPeriod()
        {
            double ReproductionProbability = 0.25 + ReproductionBonus;
            if (Rnd.Next(0, 100) < ReproductionProbability * 100)
            {
                return true;
            }
            else
            {
                return false;
            }
        }