Fertility is a complex issue and there are numerous reasons why a decrease may be observed. This is why it is critical that your vet is involved to investigate and ensure that the correct issue is being addressed. One area worthy of investigation is the trace element status of your animals, as nutrition plays an important role in fertility, and imbalances in the supply of trace elements can have a negative impact. Rachel Mallet of BiMedia identifies these imbalances and what actions can be taken.