Meat quality and fatty acid profile of the musculus longissimus lumborum in Czech Fleckvieh, Charolais and Charolais × Czech Fleckvieh bulls fed different types of silages

Abstract

ABSTRACT:The effects of breed and diet containing different types of silages on meat quality parameters and fatty acid profile of m. longissimus lumborum (MLL) were evaluated in a total of 30 Czech Fleckvieh (CF), Charolais (CH) and Charolais × Czech Fleckvieh (CH × CF) bulls. The animals were fed two mixed diets: MS (based on maize silage) and LCS (based on legume-cereal mixture silage and lucerne silages) with different concentrations of dietary energy and fatty acids. The MLL from CH bulls had the lowest content of dry matter (P < 0.01), less protein (P < 0.01) and lighter meat (P < 0.01) compared to the CF. The extensive LCS diet reduced dry matter (P < 0.01) and intramuscular fat (P < 0.01) and increased the content of hydroxyproline (P < 0.05). The CH bulls exhibited higher PUFA n-3 (P < 0.05) and lower MUFA (P < 0.05) compared to the CF, with the CH × CF being intermediate. The LCS diet enhanced the proportions of PUFA (P < 0.05) and PUFA n-3 (P < 0.001) and reduced MUFA (P < 0.001). In conclusion, both breed and diet affected the meat quality and fatty acid profile of the intramuscular fat of the bulls. The replacement of maize silage with the legume-cereal mixture and lucerne silages in the diet reduced the concentration of intramuscular fat and improved its fatty acid profile from the human nutrition perspective.

Fatty acid profile of zebu beef cattle from the Central African sub-region

“…The FAME were quantified using C19:0 as the internal standard and were expressed as the percentage of the total lipids that were identified. The ∆9 desaturase, elongase and atherogenic indices were calculated according to Bartoň et al (2010), Pitchford et al (2002) and Ulbricht & Southgate (1991), respectively, as follows: where C14:1n-9c, C16:1n-9c, C18:1n-9c, CLA, C14:0, C16:0, C18:0, C18:1t, C12:0, SFA and PUFA are myristoleic acid, palmitoleic acid, oleic acid, sum of CLA isomers, myristic acid, palmitic acid, stearic acid, trans-C18:1 acids, lauric acid, saturated fatty acids and polyunsaturated fatty acids, respectively.…”

Importance of cattle biodiversity and its influence on the nutrient composition of beef

“…Statistical comparisons are therefore not shown. SFA = C14:0 + C16:0 +C18:0 MUFA = C14:1n-5 + C16:1n-7, + C18:1n-9 + C18:1n-7 +C18:1n-11t PUFA = C18:2n-6 + C20:3n-6 + C20:4n-6 + C22:4n-6 +C18:3n-3 + C20:5n-3 + C22:6n-3 (source: Barton et al 2010) a,b Means in the same row with different superscripts are signifi cantly different. Fatty acid data presented were re-calculated to represent amount per 100 g EP.…”

“…Differences also exist across local breeds, commercial breeds, and their crosses (Barton et al, 2010; Table 4). Beef from Czech Fleckvieh, a local breed, contained more protein and tended to have a greater fat content than beef from the Charolais fed a the same diet.…”

Effect of breed on carcass traits of Kundhi and Nili Ravi buffalo

“…A well-known Swamp buffalo breed contains average live weight yields 592 kg, 277 kg carcass and 215 kg meat [1]. Meat consumption varies worldwide, depending on cultural or religious preferences, as well as economic conditions.…”

“…Breed differences in production traits are important genetic resources for improving beef production efficiency, meat composition and quality. The carcass traits are mainly affected by breed, gender, age and nutrition of animal [1]. Pakistan has 33.7 million buffalo heads with approximately 18.01 percent of total world population, it includes Kundhi and Nili Ravi breeds.…”