MORE help on Rune Factory....?

I need to know what animal makes eggs, milk, and so on and where I find them... and what does the Major mean about plowing 50 squares in front of Toros Cave? What is he talking about? He's talking about some field...I need details on where he wants me to plow to enter into Toros Cave....ASAP! if you have any other info that could help me throughout this game, I can really use it!