Two hundred and fifty male 1-day-old broiler chicks (Ross 308) were used to investigate the effects of dietary supplementation of turmeric and cinnamon powders on meat quality and lipid peroxidation of broilers under heat stress condition. The five treatment groups were control (recommended temperature for Ross 308), heat stressed (32 ± 1 ˚C from 9:00 AM to 5:00 PM during finisher period) and h...

The results of statistical analysis appeared inconclusive as to which allele of the GPI locus could significantly affect the traits of meat quality, but higher meat pH45 values have been observed in animals with the GPIB/B genotype in both the Duroc and Pietrain breed. For meat pH24, the GPI A/B genotype appeared to be more favourable, although not significantly. Beneficial effect on the meat c...

The first aim of the study was to compare selected meat quality parameters in porkers without the gene RYR1 (T) (ryanodine receptor gene). These were porkers slaughtered at 100 to 115 kg and 116 to 130 kg live weight. The second aim of the study was to determine the occurrence frequency of standard-quality meat (red, firm, nonexudative [RFN]) and the occurence frequency of defective meat (pale,...

A number of technologies that increase feed efficiency and lean tissue deposition while decreasing fat deposition have been developed in an effort to improve profitability of animal production. In general, the mode of action of these metabolic modifiers is to increase muscle deposition while often simultaneously reducing fat deposition. However, there have been some concerns that the focus on i...

A dramatic increase of growth performance has been achieved through selection for muscle accretion and improvement of nutrition and breeding conditions in meat animals. However, evidence suggests that this may have resulted in altered meat quality. Skeletal muscle is a highly heterogeneous tissue containing myofibres, connective tissue, adipocytes, vascular and neural tissues. Muscle fibres can...

For decades, research in muscle biology has been focused on enlarging skeletal muscle mass, which increases the quantity of meat production. It has been well established that myogenic cells are derived from multipotent mesenychmal stem cells (MSC). During the embryonic and fetal stages, muscle fibers are formed through the fusion of myogenic cells; enhancing the proliferation and myogenic diffe...

This experiment was conducted to investigate the effect of different levels of dietary chromium yeast (Cr-yeast) on thigh meat quality of broiler chicks reared under heat stress condition. Two hundred and forty Ross male chickens in heat stress condition (33±3°C) were allocated to five treatments in a completely randomized design. Treatments were supplemented with 0 (control), 200, 400, 800 and...

OBJECTIVE To determine the effects of high voltage electrical stimulation (HVES, 800 Voltage) on rapid decreases in pH values and improvements in meat quality. METHODS A total of 50 beef carcasses were applied, divided into two groups, one as a control and another for HVES. Meat quality was evaluated based on M. longissimus dorsi by examining pH and temperature levels at 1, 2, 5, 10 and 24 h,...

Using a multitrait animal model BLUP, selection was conducted over seven generations for growth rate (ADG), real-time ultrasound LM area (LMA), backfat thickness (BF), and intramuscular fat content (IMF) to develop a new line of purebred Duroc pigs with enhanced meat production and meat quality. This selection experiment examined 543 slaughtered pigs (394 barrows and 153 gilts) from the first t...