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Full-Text Articles in Life Sciences

Effects Of Supplementation Of Microalgae (Aurantiochytrium Sp.) To Laying Hen Diets On Fatty Acid Content, Health Lipid Indices, Oxidative Stability, And Quality Attributes Of Meat, Bing Liu, Jiang Jiang, Dongyou Yu, Gang Lin, Youling L. Xiong Sep 2020

Effects Of Supplementation Of Microalgae (Aurantiochytrium Sp.) To Laying Hen Diets On Fatty Acid Content, Health Lipid Indices, Oxidative Stability, And Quality Attributes Of Meat, Bing Liu, Jiang Jiang, Dongyou Yu, Gang Lin, Youling L. Xiong

Animal and Food Sciences Faculty Publications

The present study is conducted to investigate the effects of dietary docosahexaenoic acid (DHA)-rich microalgae (MA, Aurantiochytrium sp.) on health lipid indices, stability, and quality properties of meat from laying hens. A total of 450 healthy 50-wk-old Hy-Line Brown layers were randomly allotted to 5 groups (6 replicates of 15 birds each), which received diets supplemented with 0, 0.5, 1.0, 1.5, and 2.0% MA for 15 weeks. Fatty acid contents and quality properties of breast and thigh muscles from two randomly selected birds per replicate (n = 12) were measured. The oxidative stability of fresh, refrigerated, frozen, and cooked …


Advancing The Science Of Dry-Aged Beef, Felipe Azevedo Ribeiro Aug 2020

Advancing The Science Of Dry-Aged Beef, Felipe Azevedo Ribeiro

Department of Animal Science: Dissertations, Theses, and Student Research

In order to tightly control dry aging environmental conditions, we designed and built a computerized dry aging system that is capable of measuring and precisely controlling relative humidity (RH; ± 1%), temperature (± 0.5 °C), air flow (± 0.015m3/min), and mass loss (± 5 g). This dissertation addressed the effects of RH and ultimate pH on meat quality and sensory attributes of dry-aged beef. In study one, we learned that wet-aged steaks had higher L* (P = 0.01), a* (P = 0.03), and b* values (P < 0.001), lower discoloration scores (P < 0.05), and lower TBARS (thiobarbituric acid reactive substance) values (P = 0.03) than dry-aged treatments. Under prolonged …


Characterization Of Bison Finishing And Harvest Systems: Effects On Carcass And Meat Quality Characteristics, Jessica Janssen Jan 2020

Characterization Of Bison Finishing And Harvest Systems: Effects On Carcass And Meat Quality Characteristics, Jessica Janssen

Electronic Theses and Dissertations

The objectives of this thesis project were to 1) characterize the influence of finishing system (grain-finished vs. grass-finished) on carcass characteristics, meat quality, the nutritional composition, and consumer preference for bison meat 2) evaluate the effectiveness of beef camera grading technology on grain- and grass-finished bison carcass characteristics, and 3) characterize the influence harvest systems (on-ranch vs. commercial facilities) on animal stress response, carcass characteristics, meat quality, and consumer preference of bison heifers. For objectives 1 and 2: Grain- (n=108) and grass- (n=93) finished bison heifers were slaughtered at 28 mo of age, at approximately 20 h postmortem, carcass measurements …


The Influence Of Vitamin C And Early-Age Thermal Conditioning On The Quality Of Meat And Specific Production Characteristics Of Broilers During Heat Stress, Zoran Ruzic, Zdenko Kanacki, Marija Jokanovic, Suzana Vidakovic, Slobodan Knezevic, Slavoljub Jovic, Smiljana Paras Jan 2020

The Influence Of Vitamin C And Early-Age Thermal Conditioning On The Quality Of Meat And Specific Production Characteristics Of Broilers During Heat Stress, Zoran Ruzic, Zdenko Kanacki, Marija Jokanovic, Suzana Vidakovic, Slobodan Knezevic, Slavoljub Jovic, Smiljana Paras

Turkish Journal of Veterinary & Animal Sciences

Heat stress (HS) is one of the greatest problems in contemporary chicken production and it entails significant economic losses. The purpose of this paper is to examine the influence of early-age thermal conditioning (ETC), vitamin C (Vit C) supplementation, and their combination on the production characteristics and specific quality parameters of the meat of broilers which were exposed to chronic HS in the last two weeks of breeding. Four hundred broilers (Cobb 500) of both sexes were divided into 4 experimental groups. Group C was given Vit C (2 g/L) dissolved in water from day 22 until the end of …


Carcass Traits, Meat Quality, And Sensory Attributes Of Fast-Growing Broilers Givenoutdoor Access At Different Ages, Muhammad Zaid, Jibran Hussain, Athar Mahmud, Khalid Javed, Muhammad Shabir Shaheen, Muhammad Usman, Abdul Ghayas, Sohail Ahmad Jan 2020

Carcass Traits, Meat Quality, And Sensory Attributes Of Fast-Growing Broilers Givenoutdoor Access At Different Ages, Muhammad Zaid, Jibran Hussain, Athar Mahmud, Khalid Javed, Muhammad Shabir Shaheen, Muhammad Usman, Abdul Ghayas, Sohail Ahmad

Turkish Journal of Veterinary & Animal Sciences

This study evaluated the effect of outdoor access offered to fast-growing broilers at different ages and its impact on meat quality attributes. A total of 200 straight-run broilers were arranged according to the completed randomized design and distributed into 4 treatment groups. The treatments were replicated 5 times; each replicate consisted of 10 birds. The treatment included age at exposure to outdoor access including day 21, day 28, and day 35, and a control group in which the birds were reared at an indoor facility for up to 56 days. Taste, flavor, juiciness, and overall acceptability of breast meat were …


Evaluation Of Mulberry (Morus Alba) Leaves As A Concentrate Substitute In Rabbit Diet:Effect On Growth Performance And Meat Quality, Kamran Khan, Inam Ullah, Nazir Ahmad Khan, Sarzamin Khan Jan 2020

Evaluation Of Mulberry (Morus Alba) Leaves As A Concentrate Substitute In Rabbit Diet:Effect On Growth Performance And Meat Quality, Kamran Khan, Inam Ullah, Nazir Ahmad Khan, Sarzamin Khan

Turkish Journal of Veterinary & Animal Sciences

Mulberry (Morus alba) leaves contain a high amount of digestible carbohydrates, protein and minerals, making it an attractive, natural, low-cost feed ingredient in rabbit rations. The present study evaluated the effect of stepwise replacement of a concentrate diet with wilted M. alba leaves on growth performance and meat quality of rabbits. Sixty indigenous rabbits (age, 36 ± 2 days) were assigned to 5 diets (12 rabbits per diet). The 5 diets consisted of a commercial concentrate diet (control; WML0), and stepwise replacement of the concentrate with 25% (WML25), 50% (WML50), 75% (WML75), and 100% (WML100) wilted M. alba leaves. Final …