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Table 3 Effects of synthetic CLA or CLA beef on rat growth performance

From: Effect of conjugated linoleic acids from beef or industrial hydrogenation on growth and adipose tissue characteristics of rats

  Treatment diets
  CON SCLA CONM CLAM
Initial BW (g) 85.5 ± 2.2 85.6 ± 2.0 86.0 ± 2.3 86.3 ± 2.1
BW at 6 wks (g) 410.6 ± 7.6B 387.0 ± 7.6A 413.1 ± 8.0B 421.6 ± 9.6B
Final BW at 9 wks (g) 486.1 ± 14.7 470.2 ± 11.7 500.3 ± 13.3 509.5 ± 18.4
DWG: 1–42 d (g/d) 7.7 ± 0.2B 7.2 ± 0.2A 7.8 ± 0.2B 8.0 ± 0.2B
DWG: overall (g/d) 6.4 ± 0.1 6.2 ± 0.1 6.7 ± 0.2 6.8 ± 0.2
FI: 1–42 d (g) 1053 ± 46A 932 ± 34A 1333 ± 81B 1294 ± 53B
FI: overall (g) 1708 ± 74A 1566 ± 95A 2149 ± 159B 2173 ± 156B
Daily FI (g/d) 27.1 ± 1.1A 24.9 ± 1.1A 34.0 ± 2.5B 33.8 ± 1.9B
Protein intake (g) 333.2 ± 15.0A 314.8 ± 19.1A 412.9 ± 26.5B 458.5 ± 24.1B
GE intake (kcal) 7381 ± 331A 6608 ± 400A 9066 ± 583B 8887 ± 466B
GE/BWG: overall (kcal/g) 18.5 ± 0.85A 17.1 ± 0.64A 22.1 ± 1.05B 21.7 ± 0.94B
CLA c9, t11 consumed (g) 0.04 5.31 0.34 0.81
CLA t10, c12 consumed (g) - 3.45 0.02 0.06
  1. A, B: Means (± standard error) in a row denoted by a different letter differ (p < 0.05); n = 14
  2. BW – Body weight, DWG – daily weight gain, FI – feed intake, GE – gross energy,
  3. CON – Control diet, SCLA – diet with 1.69% synthetic CLA replacing and equivalent amount of soybean oil, CONM – Diet containing control beef (see table 1), CLAM – diet containing high CLA beef (see table 1).
  4. Protein intake – product of diet protein content and FI overall/100.
  5. GE intake – product of diet GE and FI overall.
  6. Consumed CLA c9, t11 or CLA t10, c12 – calculated from means, CLA c9, t11 or CLA t10, c12 percent in diet × diet fat content × FI overall/10000; respectively.