Relationship between Serum Biochemical Values and Marbling Scores in Japanese Black Steers.

Adachi, Kozo; Kawano, Hiroto; Tsuno, Kenichiroh; Nomura, Yusuke; Yamamoto, Norio; Arikawa, Akinobu; Tsuji, Atsushi B.; Adachi, Mitsuru; Onimaru, Toshihisa; Ohwada, Kohji

doi:10.1292/jvms.61.961

Cited by 56 publications

(40 citation statements)

References 13 publications

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“…However, results were not very promising, excepting for TC, in pigs (Tremere et al, 1966), and for TG and GLU, in cattle (Adachi et al, 1999;Hocquette et al, 1999), where these lipid indicators displayed a positive correlation with fat deposition traits. Steele et al (1972) found that the Duroc pigs selected against BT showed lower levels of serum GLU and TC than those selected for increased levels, and Etherton and Kris-Etherton (1980) encountered a marked alteration in the plasma lipoprotein composition between lean and obese swine.…”

Section: Discussionmentioning

confidence: 91%

Relationship between blood lipid indicators and fat content and composition in Duroc pigs

2012

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Section: Discussionmentioning

confidence: 91%

Relationship between blood lipid indicators and fat content and composition in Duroc pigs

2012

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“…This suggests that muscle and non-muscular adipose tissue interplay during the process of IMF accumulation, through hormonal changes such as thyroid hormones (Cassar-Malek et al, 2007b) and the insulin-glucose axis , which have been shown to be important in the differentiation of bovine muscles for instance. Attempts have been made to predict IMF level from blood parameters (Adachi et al, 1999). For instance, double-muscled bovines with low IMF level are characterized also by lower triiodothyronine, insulin and glucose plasma concentrations (Hocquette et al, 1999) than normal animals of the same breed.…”

Section: How Might Marbling Begin?mentioning

confidence: 99%

Intramuscular fat content in meat-producing animals: development, genetic and nutritional control, and identification of putative markers

Hocquette

Gondret

Baéza³

et al. 2010

Animal

637

447

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Intramuscular fat (IMF) content plays a key role in various quality traits of meat. IMF content varies between species, between breeds and between muscle types in the same breed. Other factors are involved in the variation of IMF content in animals, including gender, age and feeding. Variability in IMF content is mainly linked to the number and size of intramuscular adipocytes. The accretion rate of IMF depends on the muscle growth rate. For instance, animals having a high muscularity with a high glycolytic activity display a reduced development of IMF. This suggests that muscle cells and adipocytes interplay during growth. In addition, early events that influence adipogenesis inside the muscle (i.e proliferation and differentiation of adipose cells, the connective structure embedding adipocytes) might be involved in interindividual differences in IMF content. Increasing muscularity will also dilute the final fat content of muscle. At the metabolic level, IMF content results from the balance between uptake, synthesis and degradation of triacylglycerols, which involve many metabolic pathways in both adipocytes and myofibres. Various experiments revealed an association between IMF level and the muscle content in adipocyte-type fatty acid-binding protein, the activities of oxidative enzymes, or the delta-6-desaturase level; however, other studies failed to confirm such relationships. This might be due to the importance of fatty acid fluxes that is likely to be responsible for variability in IMF content during the postnatal period rather than the control of one single pathway. This is evident in the muscle of most fish species in which triacylglycerol synthesis is almost zero. Genetic approaches for increasing IMF have been focused on live animal ultrasound to derive estimated breeding values. More recently, efforts have concentrated on discovering DNA markers that change the distribution of fat in the body (i.e. towards IMF at the expense of the carcass fatness). Thanks to the exhaustive nature of genomics (transcriptomics and proteomics), our knowledge on fat accumulation in muscles is now being underpinned. Metabolic specificities of intramuscular adipocytes have also been demonstrated, as compared to other depots. Nutritional manipulation of IMF independently from body fat depots has proved to be more difficult to achieve than genetic strategies to have lipid deposition dependent of adipose tissue location. In addition, the biological mechanisms that explain the variability of IMF content differ between genetic and nutritional factors. The nutritional regulation of IMF also differs between ruminants, monogastrics and fish due to their digestive and nutritional particularities.

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“…They proved that the correlation between the concentration of calcium, the amount of vitamin D 3 and the tenderness of meat evaluated by shearing tests was significant (p < 0.05). Adachi et al (1999) evaluated the correlation between the concentration of blood serum components and marbling of meat of steers and they proved the effect of glucose concentration on meat marbling.…”

Section: Discussionmentioning

confidence: 99%

Indicators of the Internal Environment of Beef Cattle during Fattening and their Correlation to the Quality of Beef

et al. 2008

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The objective of the study was to determine selected indicators of the internal environment in individual cattle categories during the period of fattening to evaluate the relation of the individual blood components to the growth intensity and qualitative indicators of the meat. The trial involved half-siblings -bulls, heifers and steers housed in one stable. The threesome always had a common father. During the trials the live weight was monitored and blood samples were taken on days 310, 403, 448, 479, 512, 554 and 618 of age. The concentrations of total proteins, glucose, total cholesterol, urea and catalytic concentrations of ALP, ALT, AST, calcium, inorganic phosphorus, magnesium and copper in the blood plasma were assessed. In all cases the levels of indicators of the internal environment were within the range of the physiological values for the respective age category. Compared to bulls and steers, the concentration of total plasma cholesterol of the heifers was significantly higher (p < 0.05 and p < 0.01, respectively). The last samples were taken prior to slaughter of the animals and the individual components were correlated with the nutritional values and meat indicators; the correlation between the amount of glucose and urea in the blood serum and the tenderness of the meat was significant (p < 0.05 and p < 0.01). The correlation between the concentration of proteins in the blood plasma, the level of nitrogen or total protein in the muscles, the water-holding capacity and meat tenderness was positive. The study provides a basis for implementing helpful adjustments in current cattle management practises. Blood indicators presented in this paper can be added to existing knowledge to benefit veterinary research and clinical evaluations. , cattle, blood, enzymes, total proteins, glucose, phosphorus, magnesium, copper, cholesterol, water-binding capacity, shearing tests The gradually increasing milk efficiency of dairy cows in the Czech Republic and the quota limitations in milk production resulted in reductions in the numbers of dairy cows and in the total number of reared cattle. One of the options of how to maintain the numbers of cattle in the country is to rear cows that do not produce market milk. Therefore beef cattle breeds are increasingly reared. An important aspect when extending this type of rearing is to be aware of the effect of the breeding conditions on the animals and to ensure their good health, optimal efficiency expressed by their growth capacity with regard to the production of the required amount and quality of animal products. If we are to create optimal conditions that would correspond to the current requirements of individual animals, we must draw as much information as possible about the internal environment, which reflects these effects and, above all, indicates the level of nutrient, mineral and vitamin supply required, which at the same time shows the functional condition of the animal. Changes in haematological and biochemical blood indicators of various cattle categories ar...

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Relationship between Serum Biochemical Values and Marbling Scores in Japanese Black Steers.

Cited by 56 publications

References 13 publications

Relationship between blood lipid indicators and fat content and composition in Duroc pigs

Relationship between blood lipid indicators and fat content and composition in Duroc pigs

Intramuscular fat content in meat-producing animals: development, genetic and nutritional control, and identification of putative markers

Indicators of the Internal Environment of Beef Cattle during Fattening and their Correlation to the Quality of Beef

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