ORIGINAL PAPER
The influence of dietary soyabean and linseed on
the chemical composition and fatty acid profile of
the Longissimus muscle of feedlot-finished bulls
| 1 | State University of Maringá,
Animal Science Department, Av. Colombo 5790, CEP 87020-900, Maringá, PR, Brazil |
| 2 | State University of Maringá,
Chemistry Department, Av. Colombo 5790, CEP 87020-900, Maringá, PR, Brazil |
CORRESPONDING AUTHOR
I. N. Prado
State University of Maringá, Animal Science Department, Av. Colombo 5790, CEP 87020-900, Maringá, PR, Brazil
State University of Maringá, Animal Science Department, Av. Colombo 5790, CEP 87020-900, Maringá, PR, Brazil
Publication date: 2008-06-24
J. Anim. Feed Sci. 2008;17(3):307–317
KEYWORDS
ABSTRACT
This work was carried out to evaluate the effect of soya and linseed on the chemical composition and
fatty acid profile of the Longissimus muscle of crossbred bulls finished in feedlot. Twenty-one crossbred
bulls (1/2 Nelore vs 1/2 Simmenthal), at an average age of 18 months were used in a completely randomized
design, with three treatments and seven repetitions. The dietary treatments were: control (CON), linseed
and soyabean (SOYA), and soyabean and linseed added after the 60th day of the experiment (LIN). No
difference (P>0.05) was observed among the treatments on the chemical composition of the Longissimus
muscle. The values of conjugated linoleic acid (18:2-c-9, t-11) were higher (P<0.05) in the LIN (0.39%)
and SOYA (0.46%) treatment, as compared with the CON treatment (0.26%). n-3 PUFA values were
higher (P<0.05) in the LIN treatment (1.58%) as compared with the CON treatment (0.83%).
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