Effects of offering grass silage alone or in combination with lupin/triticale, lupin/wheat or pea/oat whole-crop silages on animal performance, meat quality and fatty acid composition of beef from cattle offered two levels of concentrate

2018 ◽  
Vol 156 (8) ◽  
pp. 1017-1027 ◽  
Author(s):  
P. C. Kennedy ◽  
L. E. R. Dawson ◽  
F. O. Lively ◽  
R. W. J. Steen ◽  
A. M. Fearon ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Beef Cattle ◽  
Meat Quality ◽  
Acid Composition ◽  
Perennial Ryegrass ◽  
Dry Matter ◽  
Cereal Crops ◽  
High Ammonia ◽  
Digestible Organic Matter

AbstractAn experiment was carried out to examine the effects of offering beef cattle five silage diets. These were perennial ryegrass silage (PRGS) as the sole forage, tall fescue/perennial ryegrass silage (FGS) as the sole forage, PRGS in a 50:50 ratio on a dry matter (DM) basis with lupin/triticale silage (LTS), lupin/wheat silage (LWS) and pea/oat silage (POS). Each of the five silage diets was supplemented with 4 and 7 kg of concentrates/head/day in a five silages × two concentrate intakes factorial design. A total of 90 cattle were used in the 121-day experiment. The grass silages were of medium digestibility and were well preserved. The legume/cereal silages had high ammonia N, high acetic acid, low lactic acid, low butyric acid and low digestible organic matter concentrations (542, 562 and 502 g/kg DM for LTS, LWS and POS, respectively). Silage treatment did not significantly affect liveweight gain, carcass gain, carcass characteristics, the instrumental assessment of meat quality or fatty acid composition of theM. longissimus dorsimuscle. In view of the low yields of the legume/cereal crops, it is concluded that the inclusion of spring-sown legume/cereal silages in the diets of beef cattle is unlikely to be advantageous.

Effects of offering lupins/triticale and vetch/barley silages alone or in combination with grass silage on animal performance, meat quality and the fatty acid composition of lean meat from beef cattle

2018 ◽  
Vol 156 (8) ◽  
pp. 1005-1016
Author(s):  
P. C. Kennedy ◽  
L. E. R. Dawson ◽  
F. O. Lively ◽  
R. W. J. Steen ◽  
A. M. Fearon ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Acid Composition ◽  
Dry Matter ◽  
Live Weight ◽  
Ammonia Nitrogen ◽  
Beef Steers ◽  
Grass Silage ◽  
High Ammonia ◽  
Barley Silage

AbstractAn experiment was carried out to examine the effects of offering beef steers grass silage (GS) as the sole forage, lupins/triticale silage (LTS) as the sole forage, a mixture of LTS and GS at a ratio of 70:30 on a dry matter (DM) basis, vetch/barley silage (VBS) as the sole forage, a mixture of VBS and GS at a ratio of 70:30 on a DM basis, giving a total of five silage diets. Each of the five silage diets was supplemented with 2 and 5 kg of concentrates/head/day in a 5 × 2 factorial design to evaluate the five silages at two levels of concentrate intake and to examine possible interactions between silage type and concentrate intake. A total of 80 beef steers were used in the 122-day experiment. The GS was well preserved while the whole crop cereal/legume silages had high ammonia-nitrogen (N) concentrations, low lactic acid concentrations and low butyric acid concentrations For GS, LTS, LTS/GS, VBS and VBS/GS, respectively, silage DM intakes were 6.5, 7.0, 7.2, 6.1 and 6.6 (s.e.d.0.55) kg/day and live weight gains were 0.94, 0.72, 0.63, 0.65 and 0.73 (s.e.d.0.076) kg/day. Silage type did not affect carcass fatness, the colour or tenderness of meat or the fatty acid composition of the intramuscular fat in thelongissimus dorsimuscle.

Effect of endophyte type on carcass traits, meat quality, and fatty acid composition of beef cattle grazing tall fescue

2005 ◽  
Vol 83 (2) ◽  
pp. 430-439 ◽  
Author(s):  
C. E. Realini ◽  
S. K. Duckett ◽  
N. S. Hill ◽  
C. S. Hoveland ◽  
B. G. Lyon ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Beef Cattle ◽  
Meat Quality ◽  
Acid Composition ◽  
Tall Fescue ◽  
Carcass Traits ◽  
Cattle Grazing

scholarly journals Fatty acid composition of beef cattle finished on tropical pasture and supplemented with crude glycerin

2019 ◽  
Vol 40 (2) ◽  
pp. 993
Author(s):  
Evani Souza de Oliveira Strada ◽  
Robério Rodrigues Silva ◽  
Gleidson Giordano Pinto de Carvalho ◽  
Larissa Pires Barbosa ◽  
Ivanor Nunes do Prado ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Body Weight ◽  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Chemical Composition ◽  
Beef Cattle ◽  
Acid Composition ◽  
Dry Matter ◽  
Crude Glycerin ◽  
Linear Pattern

The aim of this study was to evaluate the effect of crude glycerin supplementation on the chemical composition and fatty acid profile of the muscle of cattle grazing on Urochloa decumbens. Thirty-five crossbreed bulls, with an average initial body weight of 428.0 ± 32.11 kg, were supplemented with dry matter corresponding to 1% body weight for 74 days on pasture and distributed to five treatments (0, 3, 6, 9 and 12% low purity glycerin in the total dry matter of the supplement) in a completely randomised design. After 74 days, the animals were slaughtered, and the longissimus dorsi muscle was sampled and frozen for meat composition analysis. The addition of glycerin did not affect the mean moisture (73.6 ± 0.3%), protein (22.8 ± 0.4%), total lipid (1.1 ± 0.1%) and ash (1.0 ± 0.04%) contents of the animal muscle. However, there was an increasing linear effect (P < 0.05) on the contents of trans-vaccenic acid (increase of 175% in relation to the control) and conjugated linoleic acid (CLA) (25% increase in relation to the control). We observed an increasing linear pattern in monounsaturated fatty acid levels (39.8 to 44.5%) and a decreasing linear pattern in polyunsaturated fatty acid content (13.5 to 9.5%). The inclusion of crude glycerin promoted a linear decreasing pattern for ?-3 fatty acids. Thus, the inclusion of crude glycerin in the supplement of beef cattle affects the fatty acid composition of the meat. The use of this byproduct promotes desirable changes in the chemical composition of fatty acids, increasing the levels of conjugated linoleic fatty acids (18: 2 c9 t11) and monounsaturated fatty acids.

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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