 In feedlot school, my topic was both feed additives and implants. Implant strategy is what I covered first. We talked about the different types, the different modes of action and how they actually work and how to create your greatest profitability in the feedlot or background scenario. Then we also went into the feed additives, both commercial ones such as Xionophores, antibiotics, and also got into the newer products such as the beta antagonists, the Xilmax and Optaflex and then also touching the natural products. Well, natural seems to be kind of a niche that's growing. Most of the industry tends to use antibiotics and implants. Correct. How much of an improvement is there in our feed production by using those particular compounds? Well, you're seeing typically with an implant something around 2-3% increase in feed efficiency and a 3-5% average daily gain. Also seeing somewhere between $5 to $10 return per dollar spent on a product like that. Sometimes with the implants though, you can see reduced in quality grade and marbling score instead of $40. With the natural, there are some feed products that are coming out that are helping with those feed efficiency issues and so those products can also be very effective for management niche market like that.