Can I claim Loss of future earnings from a contract breach

In theory yes, you can sue for loss of income in a case like this, though what you would really sue for is losse of the profit. For example--and apologies if this does not really make sense; I have no experience with poulty farming--say that it was 100 chickens. Say that lifetime, the egg production from the chickens would be worth $500 per chicken, but the average cost to keep them alive during that time (food; heat for their building; any medicine, etc.) would be $200 per chicken. If you disposed of the chickens, you did not have to pay their expenses, so you did not incure the $200/chicken cost. In this example, your loss is therefore $300 per chicken, or $30,000.
Say further that when you disposed of them, you sold them in a hurry at price of $5 per chicken to a large chinese restaurant. You received $500. That is an offset on your loss, so in this example, you could recover $29,500.
The hard part--and the  reason I began this answer with "in theory"--is that you need to be able to prove the loss with evidence, to a reasonable certainty. If you are a new poultry farmer, this could be very hard--you lack data, a track record, etc. But if an experienced farmer doing this for years, you would then be in a good position to do this--you could show historical evidence that can suffessfully sell eggs and what you make per chicken over its laying life. If you can establish that to a sufficient certainty, you can establish this is a foreseeable or reasonably predictable loss from the bank's breach, which is what is necessary to hold them accountable for this loss.