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Vliv pohlaví králíků plemene velký světlý stříbřitý na jatečnou hodnotu
Sysel, Zdeněk
In the literary part, thesis deal with the evolution of domestic rabbit, it´s expansion around the world and taxonomical classification of Lagomorpha order. It is also mentioned actual situation about inland production of rabbit meat and characteristic of broiler rabbit, which is the main product of rabbit breading. In the thesis is description of performance characteristics of rabbits, carcass value and effects affecting carcass value. The thesis describing rabbit meat, benefits of consumption and chemical composition of meat. The end of the literary part mentions the muscular system, skeletal muscles and the basic structure of the muscle fibre. The experimental part evaluates carcass value and deals with the chemical analysis of domestic rabbit muscle and the amounts of fatty acids contained in rabbit meat. The results are compared between the male and female groups. The results are a higher slaughter value, more than 5 %, in the group of females (58 %) and higher slaughter weight in this group. Research has also found a lower amount of intramuscular fat and protein in the meat of male rabbits. Higher amounts of palmitoleic, linoleic and α-linolenic acids are contained in the muscles of females. Other acids - myristic, palmitic and stearic are more contained in the male meat.
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Porovnání užitkových vlastností mezi plemeny králíků velký světlý stříbřitý a kalifornský
Sysel, Zdeněk
In the literary part, the bachelor thesis deals with the history of rabbit breed-ing and their quantity in the Czech Republic. It is also mentioned classification of breeds based on their weight and the technology used in small-scale and farm breeding. Next part deal with performance, such as growth rate and car-cass yield. In connection with the performance characteristics, rabbit meat and fur production are characterized. The experimental part describes the comparison of performance character-istics of Californian and Great Light Silver breeds in small-scale breeding. Ob-served animals were weighed regularly from 6 weeks old and slaughtered at 18 weeks old. The Great Light Silver breed achieved better daily growth, on aver-age 35.84 g before weaning and 22.25 g after weaning. The highest growth rates in both breeds were observed in the 7-11 weeks of age. After slaughter, the carcass yield was calculated and the carcasses of both breeds were com-pared again. The average slaughter weight of the California breed was 2262 g and the carcass yield was 54%. The Great Light Silver breed was weighed an average slaughter weight of 2777 g and the carcass yield was calculated to be 56%. The Californian breed excelled in the weight balance of individuals regard-less of gender, the VSS breeds females had better growth ability than males.
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