EFFECT OF GLYCOL ADMINISTERED TO YOUNG BULLS BEFORE TRANSPORTATION ON BEEF QUALITY

The studies were carried out in 2005 on 21 young Black-and-White bulls. The animals were divided into two groups: experimental (10 bulls) and control (11 bulls). The young bulls from the first group were given 250 mL glycol before transportation. Forty five minutes after the slaughter of animals, pH of m. longissimus dorsi was measured. After 48 h of cooling pH was assayed again and a meat sample was collected from m. longissimus dorsi at the last thoracic vertebrae for further analysis. The samples were analysed for dry matter, protein, fat and ash contents. Water holding capacity (WHC) was also assessed with the use of Grau and Hamm method. The application of glycol before transportation of young bulls did not affect meat composition, WHC nor m. longissimus dorsi pH after slaughter, however pH of m. longissimus dorsi decreased significantly after 48 h of cooling.

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INFLUENCE OF RATION WITH REDUCED ENERGY LEVEL ON SOME HISTOPATOLOGICAL CHANGES, INTRAMUSCULAR FAT AND CONNECTIVE TISSUE IN MUSCULUS LONGISSIMUS DORSI OVER LATTER FATTENING PERIOD OF YOUNG BULLS

COMPARISON OF POLYMORPHIC MYOSIN FORMS WITH SELECTED MEAT QUALITY ATTRIBUTES OF BULLS OF VARIOUS BREEDS AND AGE

Evaluation of Selected Parameters of Quality and Nutritive Value of Meat of Fattened Bulls Fed Diet with Distillers Dried Grains with Solubles (DDGS) from Wheat or Maize as a Source of Protein

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eISSN:	2083-6007
ISSN:	1230-0322

W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.