BACKGROUND There is a discrepancy in the reproductive performance between different cattle breeds. Using abattoir-derived ovaries and data base information we studied the effects of breed on in vitro fertilization and early embryo development. METHODS The in vitro developmental competence of oocytes from cattle (n = 202) of Swedish Red (SR), Swedish Holstein (SH) and mixed beef breeds was com...

Wet coproducts fed to beef cattle include processing coproducts of the fruit, vegetable, juice, and brewing industries. Considerations for their utilization in beef cattle diets include quantity available, feeding value, quality of animal products produced, economics (e.g., transportation of water), storage and preservation, consumer perception, nuisance concerns, contaminants, and interactions...

With the continuous development of society, people’s demand for meat and milk continues to expand, especially beef consumption. In order improve production efficiency domestic cattle, frozen sperm, artificial fertilization, embryo transfer, other reproductive technologies have been deeply studied widely used, but problem supply has not fundamentally solved. The quality oocytes is directly relat...

This experiment was conducted to investigate the effects of different levels of saturated and unsaturated fats and their composition in growing and finishing periods on performance, carcass traits and blood lipids level in broiler chickens. In this experiment, 432 Ross 308 broilers were used from 11 up to 42 days in 9 treatments, 4 replicates and 12 birds in each replicate in growing (11-24 day...

ABSTRACT- The aim of this study was to determine the quinolone residues in beef and chicken meat samples collected from Urmia region local markets.A total of 395 beef and chicken meat samples varied in three various brands were analyzed in Urmia, Iran by using a sensitive and reliable analytic method based on ELISA detection, for quantification of quinolone antibiotics residues. Samples prepara...

Jersey cattle are known for producing carcasses with a greater amount of marbling, but they require more days on feed to achieve acceptable market weights compared with other breeds. The objective of this study was to evaluate the effect of dietary forage (12 vs. 24% sudangrass:alfalfa hay, DM basis) in steam-flaked, corn-based finishing diets on carcass characteristics, beef palatability, and ...

This study is concerned with the detection of adulterated ghee with various levels of palm oil and beef tallow with the application of particular chemical characteristics of ghee, palm oil and beef tallow namely sterol, and fatty acids profiles by response surface methodology (RSM). Among the parameters investigated, If the fatty acid profile is modeled under the optimized conditions, the detec...

Post-translational modifications (PTM) of proteins play critical roles in biological processes. PTM muscle influence meat quality. Nonetheless, myoglobin (Mb) and their impact on fresh beef color stability have not been characterized yet. Therefore, our objectives were to identify Mb longissimus lumborum during postmortem aging characterize stability. The muscles from 9 (n = 9) carcasses (24 h ...

The objective of this study was to evaluate consumers’ palatability ratings ground beef from the same source when provided information about labeling prior evaluation. Chubs (n=15) production lot and day 80% lean/20% fat were procured fabricated into 151.2 g patties. Pairs patties each chub randomly assigned one consumer panel session 1 8 different terms: all natural, animal raised without adde...