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Titolo:
BOS-INDICUS CROSS FEEDLOT CATTLE WITH EXCITABLE TEMPERAMENTS HAVE TOUGHER MEAT AND A HIGHER INCIDENCE OF BORDERLINE DARK CUTTERS
Autore:
VOISINET BD; GRANDIN T; OCONNOR SF; TATUM JD; DEESING MJ;
Indirizzi:
COLORADO STATE UNIV,DEPT ANIM SCI FT COLLINS CO 80523 COLORADO STATE UNIV,DEPT ANIM SCI FT COLLINS CO 80523 GERBER AGRI INC DENVER CO 80222
Titolo Testata:
Meat science
fascicolo: 4, volume: 46, anno: 1997,
pagine: 367 - 377
SICI:
0309-1740(1997)46:4<367:BCFCWE>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
MUSCLE TENDERNESS; CARCASS QUALITY; BOVINE MUSCLE; FIBER TYPES; BEEF; BEHAVIOR; STRESS; GROWTH; BULLS; PH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
55
Recensione:
Indirizzi per estratti:
Citazione:
B.D. Voisinet et al., "BOS-INDICUS CROSS FEEDLOT CATTLE WITH EXCITABLE TEMPERAMENTS HAVE TOUGHER MEAT AND A HIGHER INCIDENCE OF BORDERLINE DARK CUTTERS", Meat science, 46(4), 1997, pp. 367-377

Abstract

Temperament ratings based on a numerical scale (chute score) were assessed during weighing and handling of cattle at a feedlot. Breeds studied included Braford, Red Brangus and Simbrah. Cattle were fed to a constant fat thickness of 9 to 13 mm (target = II mm) over the 12th rib as determined by periodic ultrasound measurements. Cattle were slaughtered in a commercial slaughter plant and stunned by captive bolt. Temperament rating had a significant effect on the incidence of borderlinedark cutters which were downgraded by a USDA grader (P=0.01). Temperament score also had a significant effect on tenderness (P<0.001) as evaluated by Warner-Bratzler Shear (WBS) force at day 14 post mortem. The calmest animals which stood still when restrained in a hydraulic squeeze chute had a mean WBS force of 2.86+/-11 kg and cattle which became highly agitated and struggled violently during restraint averaged 3.63+/-19 kg. Forty percent of these cattle had WBS force values which were over 3.9 kg which is a threshold value for acceptability in food service establishments. These data show that cattle with the most excitable temperament ratings produce carcasses with tougher meat and a higher incidence of borderline dark cutters than cattle with calm temperament ratings. (C) 1997 Elsevier Science Ltd.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/12/20 alle ore 19:56:00