Swine Nutritional Timeline Species Starting Weight Slaughter Weight Days on Feed Grain % Swine45 to 60 lbs.220 to 250 lbs.100 to 120100 Starting at the correct weight helps you avoid problems. Buy at 40 to 50 lbs. 110 days before the fair. The pig should be around 130 to 150 days old at the fair.
Nutritional Requirements for Swine Lean Growth RatePig Weights at Which Diets Should be fed, lbs. Moderate45 – 8080 – 120120 – 170170 - 220210 - 250 Nutrient Crude Protein, % *181614 – 1613 – 1412 – 13 Lysine, % *.95.85.72 -.82.64 -.70.56 -.60 Tryptophan, % *.17.15.14 -.16.12 -.13.11 -.11 Threonine, % *.64.57.50 -.57.45 -.49.39 -.42 Meth. + Cystine, % *.59.53.46 -.52.41 -.45.36 -.38 Calcium, %.184.108.40.206 Avail. Phosphorus, %.220.127.116.11.15 Riboflavin, mg/lb.1.3 1.0 Niacin, mg/lb.553.5 3 Panothenic Acid, mg/lb.443.5 3 Vitamin B12, microgram/lb.552.5 Adapted From Normal Req. from University of Illinois, July 23, 2001. Available at http://porknet.outreach.uiuc.edu * Lower figure is for barrows and higher figure for gilts.
http://www.extension.iastate.edu/ipic/LCSN/LCSNutrition.pdf How Much Will They Eat? 50 lb. Hog? 100 lb. Hog? 125 lb. Hog? 150 lb. Hog? 200 lb. Hog?
For more information about feeding swine, see: http://ag.arizona.edu/pubs/animal/az1055.pdf For detailed nutritional requirements for swine: http://www.extension.iastate.edu/ipic/LCSN/LCSNutrition.pdf
You figure what you need to do! Your fair is on September 15 th. You will buy a pig on Memorial Day. Your pig weighs 50 lbs. when you buy it. You want the pig to weigh 240 lbs. at the fair. The pig needs to gain ___ lbs. in ___ days. So, the pig needs to gain ___ lbs. / day. Is it possible? Will the pig be too heavy, too light, or just about right for the fair for market weight?
Paylean™ - Ractopamine Feed additive; Feed 150 to 240 lbs. live weight (last 90 lbs. live weight gain); Feed at 4.5 to 9 grams/ton (5-10 ppm)
Shifting the Growth Curve with Paylean Time Units Growth Units Castration Boars Barrows Paylean Barrows
Proper use of Paylean ® in show pigs –Paylean may only be fed to finishing swine from 150 pounds to 240 pounds body weight. –Paylean must be fed in a complete ration containing at least 16% crude protein. –There are no approved extra-label uses for Paylean. Extra-label use is illegal. –Feed Paylean so your pigs receive it for approximately four weeks. –Increase total dietary lysine by 0.30% from present feeding levels.
Improper use of Paylean Do not offer Paylean in a complete feed at levels less than 4.5 g/ton or greater than 9 g/ton. Do not topdress with a Type A Paylean premix or intermediate premix (Type B). Do not restrict water intake.
Swine Nutritional Requirements Normal Req. from University of Illinois, July 23, 2001. Available at http://porknet.outreach.uiuc.edu Weight, lbs. Normal Feeding With Paylean Normal Feeding With Paylean Protein Req., % Lysine Req., % 45 to 80180.95 80 to 120160.85 120 to 170 (gilts)1616 to 180.82.9 to 1.2 120 to 170 (barrows) 1416 to 180.72.9 to 1.2 170 to 220 (gilts)14160.700.90 170 to 220 (barrows) 13160.640.90 210 - (gilts)13160.600.90 210 - (barrows)12160.560.90
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