ORIGINAL PAPER
Meat quality of the Longissimus muscle of bulls and
steers (½ Nellore vs ½ Simmental) finished in feedlot
1
State University of Maringá,
Department of Animal Science, Av. Colombo 5790, Maringá, PR Brazil
2
State University of Maringá,
Department of Chemistry, Av. Colombo 5790, Maringá, PR Brazil
Publication date: 2009-03-20
Corresponding author
I. N. Prado
State University of Maringá, Department of Animal Science, Av. Colombo 5790, Maringá, PR Brazil
State University of Maringá, Department of Animal Science, Av. Colombo 5790, Maringá, PR Brazil
J. Anim. Feed Sci. 2009;18(2):221-230
KEYWORDS
ABSTRACT
The experiment was carried out to evaluate performance, carcass characteristics, chemical
composition and fatty acid composition of bulls and steers (1/2 Nellore vs 1/2 Simmental) finished
in feedlot. From 8 to 20 months the animals were raised conventionally. At 20 month of age 16
bulls were randomly selected of which 8 were surgically castrated. At 32 months of age the animals
were transferred into a feedlot system with individual pens of 10 m2. Both groups of animals were
slaughtered at 35 months of age. The bulls were heavier initially and displayed higher final weight,
higher average daily gain and hot carcass weight than steers, bulls also had higher moisture content,
crude protein and cholesterol and lower total fat content than steers. The ratios of PUFA to SFA and
of n-6 to n-3 in bulls were higher than in steers.
CITATIONS (15):
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Carcass Composition and Cuts of Bulls and Steers Fed with Three Concentrate Levels in the Diets
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Asian-Australasian Journal of Animal Sciences
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Asian-Australasian Journal of Animal Sciences
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