Table 1: Composition of experimental diets (%; w/w).

Experimental diets 8% fat 40% fat40% fat
LardLard + flaxseed

Proteins20.00 20.0020.00
Corn starch62.00 32.00 32.00
Cellulose powder5.00 3.003.00
L-cysteine0.250.250.25
Vitamin mix1.00 1.00 1.00
Mineral mix3.50 3.50 3.50
Choline 0.25 0.25 0.25
Fat8.00 40.00 40.00
 Sunflower oil8.0015.007.00
 Lard25.0025.00
 Flaxseeds*8.00

Flaxseeds (Linum usitatissimum) belonged to the Olin variety and were provided by the Department of Phytotechny, Faculty of Agronomy Iasi. The composition of flaxseeds was: 40.2% oil (55.6% linolenic acid) and 19.5% proteins.