How much synthetic lysine can be used to replace soybean meal?
Three and one-half pounds of feed-grade lysine (78.8% lysine) and 96.5 pounds of corn can replace 100 pounds of soybean meal. A higher amount may lead to threonine and tryptophan deficiencies. Q. Can we increase the shelf life of pork by feeding higher dietary levels of vitamin E? This effect is not as well documented in pork as it is in beef. High levels of vitamin E will reduce drip (water) loss and improve pork color, but the benefits and economics are unknown at the present time. Q. Should antibiotics, copper sulfate, or dewormers be added to finishing feed? Antibiotics are of benefit in some herds but not in all conditions. The response is usually less during the finisher period. Pigs housed in dirtier facilities that have manure buildups will more likely result in a beneficial response to antibiotics or antibacterial agents. Dewormers will be of benefit only if pigs are exposed (infected) with worms. Q. What about limit feeding finishing pigs? Limit feeding to approximately 85% o
