Feed Ingredients

Question 0

Why would we limit corn gluten meal inclusion in poultry diets?

Answer 0

Corn gluten meal common problems: -low in Lys and Trp but high in Leu -levels higher than 10-15% may result in a branch chain imbalance with isoleucine and leucine.

Question 1

Describe the factors limiting the usage of DDGS with soluble in poultry diets.

Answer 1

Factors DDGS usage in broilers: -Nutrient variability -pellet production rate/electrical usage -difficult to unload -cost

Question 2

Discuss the basis for using coarse limestone for layers.

Answer 2

Layer industry uses the coarse limestone because the larger particles release calcium slower, which is needed for egg shell production.

Question 3

Discuss the differences in MBM and protein blends.

Answer 3

Protein blends: formulated to CP and AA specifications so should be less variable than PBM or MBM

Question 4

Know the differences in phytate and available phosphorus with Corn DDGS

Answer 4

There is a considerable increase in the amount of avaliable phosphorus contained within DDGS 0.74 compared to that of Corn 0.28. The phytate levels are very similar though with DDGS at 0.27 and corn at 0.20