0901 Comparison of meat quality and fatty acid composition of grain-fed calves to grass-fed steers as an alternative beef production system in Chilean Patagonia

2016 ◽  
Vol 94 (suppl_5) ◽  
pp. 433-434
Author(s):  
F. Sales ◽  
R. Morales ◽  
R. Lira ◽  
L. Bravo ◽  
Q. Sciascia
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Meat Quality ◽  
Acid Composition ◽  
Production System ◽  
Beef Production ◽  
Chilean Patagonia

scholarly journals Grain supplementation of calves as an alternative beef production system to pasture-finished steers in Chilean Patagonia: meat quality and fatty acid composition

2019 ◽  
Vol 4 (1) ◽  
pp. 352-362
Author(s):  
Francisco Sales ◽  
Leire Bravo-Lamas ◽  
Carolina E Realini ◽  
Raúl Lira ◽  
Noelia Aldai ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Meat Quality ◽  
Production System ◽  
Production Efficiency ◽  
Nutritive Value ◽  
Subcutaneous Fat ◽  
Attractive Alternative ◽  
Beef Production ◽  
Dietary Recommendations ◽  
Chilean Patagonia

Abstract Beef production in Chilean Patagonia is based on steer finishing on pastures with low nutritive value. Grain supplementation for finishing calves on pasture arises as an attractive alternative to shorten the finishing phase and improve the production efficiency of the traditional system. The aim of this study was to compare meat quality and fatty acid (FA) composition of beef from steers and calves. Forty Angus cross steers were raised on pasture and slaughtered at 18 to 20 mo of age (448 ± 31.7 kg body weight). An additional group of 10 calves from similar genetics was weaned at 9 mo of age (303 ± 8.0 kg) and subsequently supplemented with 2.5 kg corn plus 1.0 kg commercial concentrate daily while on pasture during 47 d, until they reached slaughter weight (316 ± 13.9 kg). All animals were slaughtered on the same day and the Longissimus thoracis muscle was removed from each carcass for meat quality and FA profile analysis. Hot carcass weight from calves was lighter than steers (174 ± 7.9 vs. 224 ± 17.5 kg, P ≤ 0.001). Meat from calves was lighter (higher L*) and less red (lower a*). In addition, meat from calves showed lower level of yellow pigments in subcutaneous fat (lower b*) compared with meat from steers (P ≤ 0.001). Meat from calves was more tender than meat from steers (P ≤ 0.05), although both shear force values were low and within recommendations for high consumer acceptability. Meat from both production systems showed fat content and FA profiles within dietary recommendations for a healthy diet. However, meat from calves was leaner (1.10 ± 0.29 vs. 2.00 ± 0.72% fat, P ≤ 0.001). Meat from calves showed lower percentages of saturated (P ≤ 0.05) and monounsaturated (P ≤ 0.001) FAs and higher percentages of polyunsaturated and n-3 (P ≤ 0.001) FAs and conjugated linoleic acid (total and 9c,11t-18:2 isomer, P ≤ 0.001) than meat from steers. Grain supplementation of calves on pasture can reduce the finishing period by 8 to 10 mo at the expense of lighter carcasses with similar or improved meat quality characteristics compared with the traditional finishing of steers on pasture. Implementation of the alternative production system will depend mainly on feed costs and target carcass weights for specific markets.

scholarly journals Effect of a Rumen-Protected Microencapsulated Supplement from Linseed Oil on the Growth Performance, Meat Quality, and Fatty Acid Composition in Korean Native Steers

Animals ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1253
Author(s):  
Chae-Hyung Sun ◽  
Jae-Sung Lee ◽  
Jalil Ghassemi Nejad ◽  
Won-Seob Kim ◽  
Hong-Gu Lee
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Growth Performance ◽  
Meat Quality ◽  
Acid Composition ◽  
Linseed Oil ◽  
Control Group ◽  
Ruminal Fluid

We evaluated the effects of a rumen-protected microencapsulated supplement from linseed oil (MO) on ruminal fluid, growth performance, meat quality, and fatty acid composition in Korean native steers. In an in vitro experiment, ruminal fluid was taken from two fistulated Holstein dairy cows. Different levels of MO (0%, 1%, 2%, 3%, and 4%) were added to the diet. In an in vivo experiment, eight steers (average body weight = 597.1 ± 50.26 kg; average age = 23.8 ± 0.12 months) were assigned to two dietary groups, no MO (control) and MO (3% MO supplementation on a DM basis), for 186 days. The in vitro study revealed that 3% MO is an optimal dose, as there were decreases in the neutral detergent fiber and acid detergent fiber digestibility at 48 h (p < 0.05). The in vivo study showed increases in the feed efficiency and average daily gain in the 3% MO group compared to the control group on days 1 to 90 (p < 0.05). Regarding meat quality, the shear force produced by the longissimus thoracis muscle in steers from the 3% MO group was lower than that produced by the control group (p < 0.05). Interestingly, in terms of the fatty acid profile, higher concentrations of C22:6n3 were demonstrated in the subcutaneous fat and higher concentrations of C18:3n3, C20:3n3, and C20:5n3 were found in the intramuscular fat from steers fed with 3% MO (p < 0.05). Our results indicate that supplementation with 3% MO supplements improves the growth performance and meat quality modulated by the omega-3 fatty acid content of meat in Korean native steers.

Polymorphism in the SCD gene is associated with meat quality and fatty acid composition in Iranian fat- and thin-tailed sheep breeds

2016 ◽  
Vol 188 ◽  
pp. 81-90 ◽  
Author(s):  
Mohsen Aali ◽  
Hosein Moradi-Shahrbabak ◽  
Mohammad Moradi-Shahrbabak ◽  
Mostafa Sadeghi ◽  
Hamid Kohram
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Meat Quality ◽  
Acid Composition ◽  
Sheep Breeds

scholarly journals Lamb meat quality and intramuscular fatty acid composition as affected by concentrates including different legume seeds

2011 ◽  
Vol 10 (2) ◽  
pp. e18 ◽  
Author(s):  
Massimiliano Lanza ◽  
Carla Fabro ◽  
Manuel Scerra ◽  
Marco Bella ◽  
Renato Pagano ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Meat Quality ◽  
Acid Composition ◽  
Lamb Meat ◽  
Legume Seeds

scholarly journals Comparison of Meat Quality and Fatty Acid Composition of Longissimus Muscles from Purebred Pigs and Three-way Crossbred LYD Pigs

2016 ◽  
Vol 36 (5) ◽  
pp. 689-696 ◽  
Author(s):  
Yeong-Seok Choi ◽  
Jin-Kyu Lee ◽  
Ji-Taek Jung ◽  
Young-Chul Jung ◽  
Jong-Hyun Jung ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Meat Quality ◽  
Acid Composition
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