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Purwin C.,University Ermland Masuren in Olsztyn | Milewski S.,University Ermland Masuren in Olsztyn | Daszkiewicz T.,University Ermland Masuren in Olsztyn | Pysera B.,University Ermland Masuren in Olsztyn | And 2 more authors.
Fleischwirtschaft | Year: 2013

The experimental material included 24 ram lambs of Kamieniecka breed, weaned from mothers at the age of 70 days. The animals were divided into 3 groups: RC (8 ramsl, A (8 rams), and G 18 rams). The ram lambs from group RC were fed silage from red clover, those from group A - silage from alfalfa, and those from group G - silage from grass. Silages were administered ad libitum, and diets of all groups were completed with barley meal and premix. Experimental fattening was conduced for 60 days. Post-slaughter analyses were carried out for the slaughter value of lambs and for the quality of their meat. Significant differences determined in the chemical composition of silages, digestibility of their dry matter and intake by experimental animals were found to affect the slaughter value of lambs and the quality of their meat. The highest body weight before slaughter, dressing percentage, weight of leg and weight of valuable cuts were noted for the rams from group A, and the lowest for lambs from group G (statistically significant differences). The RC rams were characterised by a higher fat content, which was indicated by higher weight of kidney fat |P≤0.05), and a higher content of subcutaneous fat (P≤0.05), compared to the animals from groups A and G. In addition, meat of the RC rams contained more |P≤0.05) fat than that of rams from group G. In turn, meat of the G ram lambs - when compared to meat of rams from groups RC and A - was characterised by greater drip loss and cooking loss.

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