Decrease in Protein Level in Final Finishing Phase of High Lean Gain Swine

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2007-01-01
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Stender, David
Johnson, Colin
Hummel, Don
Roush, Wayne
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In an attempt to increase the fat-to-lean ratio on modern lean pigs destined for a niche market, a high lean genetic line of finishing pigs capable of gaining more than 2.0 lbs per day (in latter growth stages over 100 lbs of body weight) were fed two diets with differing protein levels. Pigs consuming a lower protein diet ate less feed (1.46 lbs/day) and gained less (0.65 lbs/day). Backfat, loin muscle area, percent lean and lean gain per day were not different. Gender performance differences were as expected. Lowering the diet’s protein content below the pig’s requirement was not effective in creating change in fat-tolean ratio in the final finishing phase. The balance of all amino acids must be considered when attempting to reduce soybean meal content. I

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Mon Jan 01 00:00:00 UTC 2007
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