Anim Biosci > Volume 34(5); 2021 > Article |
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Item | UFA to SFA ratio | ||
---|---|---|---|
|
|||
1:1 | 2:1 | 3:1 | |
Ingredients (%) | |||
Corn | 56.70 | 56.70 | 56.70 |
Soybean meal (47.5% CP) | 16.00 | 16.00 | 16.00 |
Distillers dried grains with solubles | 3.00 | 3.00 | 3.00 |
Wheat middlings | 10.00 | 10.00 | 10.00 |
Rice bran meal | 5.00 | 5.00 | 5.00 |
Cottonseed meal | 2.00 | 2.00 | 2.00 |
Limestone | 1.20 | 1.20 | 1.20 |
Dicalcium phosphate | 0.40 | 0.40 | 0.40 |
Salt | 0.20 | 0.20 | 0.20 |
Sodium bicarbonate | 0.20 | 0.20 | 0.20 |
Hydrogenated lard | 2.00 | 0.80 | 0.00 |
Soyabean oil1) | 0.00 | 1.20 | 2.00 |
Premix2) | 3.30 | 3.30 | 3.30 |
Analyzed composition (%) | |||
ME (MJ/kg)3) | 12.27 | 12.30 | 12.31 |
CP | 15.70 | 15.70 | 15.70 |
Crude lipid | 4.70 | 4.70 | 4.70 |
Ca | 0.60 | 0.60 | 0.60 |
Avaliable P | 0.20 | 0.20 | 0.20 |
Lysine-HCl | 0.90 | 0.90 | 0.90 |
Methionine+cystine | 0.80 | 0.80 | 0.80 |
Threonine | 0.60 | 0.60 | 0.60 |
Tryptophan | 0.20 | 0.20 | 0.20 |
UFA, unsaturated fatty acids ratio; SFA, saturated fatty acids ratio; CP, crude protein; ME, mebolizable energy.
1) To replace equivalent amounts of lard, 0.0%, 1.2%, and 2.0% of soyabean oil were used, making the dietary UFA to SFA ratios about 1:1, 2:1, and 3:1, respectively (Table 2).
2) Premix provided per kg diet: retinol acetate, 6,500 IU; thiamin, 0.34 mg; riboflavin, 4.23 mg; pyridoxine, 1.76 mg; cobalamin, 17 μg; cholecalciferol, 1,710 IU; DL-α-tocopherol acetate, 12.8 IU; menadione, 1.32 mg; nicotinic acid, 26.45 mg; pantothenic acid, 10.57 mg; biotin, 0.22 mg; folic acid, 0.88 mg; Cu (as CuSO4·5H2O), 20 mg; Fe (as FeSO4·7H2O), 60 mg; Zn (as ZnSO4·7H2O), 80 mg; Mn (as MnSO4·H2O), 15 mg; I (as KI), 1.5 mg; Se (as Na2SeO3·5H2O), 0.45 mg.
UFA, unsaturated fatty acids; SFA, saturated fatty acids; MUFA, monounsaturated fatty acid (the sum of C14:1, C18:1); PUFA, polyunsaturated fatty acid (the sum of C18:2 n-6, C18:3 n-3); UFA, unsaturated fatty acid (the sum of MUFA, PUFA); SFA, saturated fatty acid (the sum of C10:0, C12:0, C14:0, C16:0, C17:0, C18:0, C20:0).
LT, M. longissimus thoracis; UFA, unsaturated fatty acids; SFA, saturated fatty acids; SEM, standard error of the mean; MUFA, monounsaturated fatty acid (the sum C18:1n-9); PUFA, polyunsaturated fatty acid (the sum of C18:2n-6, C18:3n-3, C20:4n-6); UFA, unsaturated fatty acid (the sum of MUFA, PUFA); SFA, saturated fatty acid (the sum of C10:0, C14:0, C16:0, C17:0, C18:0, C20:0).
UFA, unsaturated fatty acids; SFA, saturated fatty acids; SEM, standard error of the mean; MUFA, monounsaturated fatty acid (the sum C14:1n-9, C16:1n-9, C18:1n-9, C20:1n-9); PUFA, polyunsaturated fatty acid (the sum of C18:2n-6, C18:3n-3, C20:2n-6, C20:3n-6, C20:4n-6); UFA, unsaturated fatty acid (the sum of MUFA, PUFA); SFA, saturated fatty acid (the sum of C10:0, C12:0, C16:0, C17:0, C18:0, C20:0).