Influence of magnesium added to diet of Pulawska breed fatteners on physical and chemical properties of meat Wpływ dodatku magnezu zastosowanego w żywieniu tuczników rasy puławskiej na właściwości fizyczne i chemiczne mięsa
Magnesium is a macronutrient involved in numerous physiological and biochemical
processes in an animal organism. This study aimed at evaluating the influence of Mg supplementation
of feed for fatteners on physical, chemical and sensory properties of their
meat. The experiment was conducted on 30 Pulawska breed fatteners divided into two
groups: experimental and control. The former group was daily supplemented with 1 g
MgCl2⋅6H2O for 30 days before slaughter. After slaughter (when fatteners had gained
105 kg ± 0.4 kg of body weight), samples of ham muscle (musculus adductor femoris) were
taken for determinations of the meat quality.
Magnesium supplementation had a positive effect on pH1 and pH24 of meat. Decreased
free water percentage, re-emission and green colour share, accompanied by an increase
in the red colour proportion in ham meat, occurred owing to magnesium (these differences
were important statistically). Another finding was a higher level of hematin in meat
from the experimental animal group. As for the general chemical composition of meat from
the experimental group, dry matter and glycogen content increased. No effect of magnesium
supplementation was observed in the sensory quality assessment of meat. Magnesium
added to feed caused slower decomposition of muscular glycogen, thus preventing
a substantial decrease in the meat pH after slaughter. The meat of fatteners from the experimental
group was characterized by superior technological indices.
Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies
Informacja
SZANOWNI CZYTELNICY!
UPRZEJMIE INFORMUJEMY, ŻE BIBLIOTEKA FUNKCJONUJE W NASTĘPUJĄCYCH GODZINACH:
Wypożyczalnia i Czytelnia Główna: poniedziałek – piątek od 9.00 do 19.00