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Three groups of once-calved (OCH) heifers were slaughtered following the weaning of their calves at 3 (OCH3, n = 32), 5 (OCH5, n = 33) and 7 (OCH7, n = 31) months postcalving. A fourth group of heifers was fed a silage/grain diet and slaughtered at 15 mo of age (C, n = 32). Alternate sides of...
The gene (Cbg) encoding cortisol-binding globulin (CBG) has been proposed as a candidate gene to explain genetic variation in cortisol secretion and carcass composition in pigs. The objective of this study was to evaluate the association between CBG and pork quality in 5 European breeding lines,...
Effect of Laying Hen Housing Environment and Genetic Strain on Meat Quality and Skeletal Muscle Physicochemical PropertiesDownload
Skeletal muscle is an adaptable, multi-faceted tissue that is essential for whole body movement and metabolism. When a production animal is slaughtered, its muscle goes through complex physical and biochemical changes including a shift from aerobic to anaerobic metabolism resulting in the...
Effects of Selection for Low Residual Feed Intake on Meat Quality of Major Muscles from Angus, Charolais and Kinsella Composite CattleDownload
Residual feed intake (RFI) is a measure of animal feeding efficiency. Selection of high feed efficient cattle using RFI does not affect production performance; low RFI animals consume less feed to reach a similar body weight gain as high RFI animals and thus are considered as feed efficient...
Meat tenderness may be improved by accelerating muscle metabolism or by damaging muscle structure and increasing the solubility of muscle proteins. Pre- and postrigor protein and collagen solubilities were measured in semitendinosus muscles, removed pre-rigor from 24 Charolais crossbred steer...
A trial is reported comparing fat distribution in carcasses from bulls and heifers of two breed-A trial is reported comparing fat distribution in carcasses from bulls and heifers of two breed-types: types: Hereford (HE) and Dairy Synthetic (DY). Twelve bulls and twelve heifers of each breed were...
Twenty-four Hereford crossbred heifers weighing 222 kg (22 kg SD) and aged 226 d (13 d SD) on day 0 were used to investigate the effects of feed restriction (period 1) followed by realimentation (period 2) on hepatic and longissimus muscle glycogen metabolites and meat quality. The heifers were...
A fully functional grading or classification system must allow trading in carcasses and meat to be conducted without the buyer needing to inspect the product personally. To achieve this, the system must accurately indicate the quantity of meat, the intrinsic quality of the meat, and any aspects...
Meat quality of bison (Bison bison bison) Longissimus thoracis et lumborum following very fast chillingDownload
Very fast chilling (VFC; internal muscle temperature of -1°C by 5 h postmortem) was achieved in the longissimus lumborum (LL), but not in the semimembranosus, of lean bison carcasses after only 4 or 6 h of chilling at -35°C. Rigorous chilling caused a shift in moisture loss from carcass cooler...
The Value of Pork Quality in the Eyes of Consumers with Different Beliefs about Traditionally Raised Pork in Edmonton and in CanadaDownload
In this research the value of pork chops with different quality attributes were examined for consumers in Edmonton (with real pork, stated purchase experiments) and across Canada (online survey). Value is examined through stated choice experiments with packaged pork chops labeled with production...