Table 2.
Percentage composition of the lactation diet fed to sows immediately after farrowing up to weaning (as-fed basis)
| Percent fish oil product | ||||
|---|---|---|---|---|
| Ingredient, % | 0% | 0.25% | 0.50% | 1% |
| Yellow corn, ground | 67.56 | 67.33 | 67.11 | 66.66 |
| Dehulled soybean meal, 48% CP | 25.60 | 25.58 | 25.55 | 25.50 |
| Alfalfa Meal | 2.50 | 2.50 | 2.50 | 2.50 |
| Choice white grease | 1.00 | 1.00 | 1.00 | 1.00 |
| Dicalcium phosphate | 1.21 | 1.21 | 1.21 | 1.21 |
| Limestone, ground | 0.89 | 0.89 | 0.89 | 0.89 |
| Salt, plain | 0.50 | 0.50 | 0.50 | 0.50 |
| Vitamin mix1 | 0.10 | 0.10 | 0.10 | 0.10 |
| Trace mineral premix2 | 0.05 | 0.05 | 0.05 | 0.05 |
| Choline Mix, 50%3 | 0.10 | 0.10 | 0.10 | 0.10 |
| Dynamate4 | 0.50 | 0.50 | 0.50 | 0.50 |
| Santoqiun5 | 0.20 | 0.20 | 0.20 | 0.20 |
| Gromega, protected fish oil6 | 0.00 | 0.25 | 0.50 | 1.00 |
| Calculated composition | ||||
| ME content of diet, kcal/kg | 3,290 | 3,290 | 3,290 | 3,290 |
| Crude protein, % | 18.19 | 18.19 | 18.19 | 18.19 |
| Lysine, % | 0.97 | 0.97 | 0.97 | 0.97 |
| Calcium, % | 0.75 | 0.75 | 0.75 | 0.75 |
| Phosphorous, % | 0.60 | 0.60 | 0.60 | 0.60 |
1Supplied per kilogram of diet: 6,600 IU vitamin A, 1,320 IU vitamin D3, 66 IU vitamin E, 6.6 mg vitamin K (menadione sodium bisulfate complex), 8.8 mg riboflavin, 22 mg d-pantothenic acid, 88 mg niacin, 6.6 mg vitamin B6, 33 μg vitamin B12, 220 μg d-biotin, and 1,320 μg folic acid.
2Supplied per kilogram of diet: 100 mg Zn as ZnO, 120 mg Fe as FeSO4·H2O, 45 mg Mn as MnO, 12 mg Cu as CuSO4·5H2O, 1.5 mg I as CaI2O6, and 0.30 mg Se as NaSeO3.
3Provided 500 mg/kg of choline chloride to the final diet.4The Dynamate product (Mosaic Feed Ingredients, South Riverview, FL) contained per kilogram: 180 g of K, 110 g of Mg, and 220 g of S.
5The Santoquin product (Novus International Inc., St. Louis, MO) supplied 130 mg of ethoxyquin per kilogram of basal diet.
6Gromega product (JBS United, Inc., Sheridan, IN) fatty acid profile was 39.2% total fat (by acid hydrolysis) with myristic (14:0) 8.1%, myristoleic (15:0) 0.76%, palmitic (16:0) 17.08%, palmitoleic [(16:1) 11.85%, (17:0) 0.61%, (17:1) 1.65%], stearic (18:0) 3.18%, elaidic (18:1n-9) 1.68%, oleic (18:1n-9) 5.46%, vaccenic (18:1n-7) 4.15%, linoleic (18:2) 1.56%, linolenic [(18:3) 1.43% and (18:4) 2.85%], arachidic [(20:0) 0.2% and (20:1n-9) 1.01%], arachidonic (20:4n-6) 1.15%, eicosapentaenoic (20:5n-3) 13.75%, docosanoic (22:0) 0.26%, erucic (22:1n-9) 0.22%, docosapentaenoic (22:5n-3) 2.46%, docosahexaenoic (22:6n-3) 11.39%, and nervonic (24:1n-9) 0.46%.