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Masná užitkovost u plemene Salers
BÍNOVÁ, Hana
The aim of this thesis was the evaluation of the meat performance of Salers beef-cattle bred in two private farms under different climatic conditions (altitude) one farm was situated 450 m above sea level, the other 750850 m above sea level. The evaluation included 36 purebred breeding-cows and 87 calves in the first farm and 38 purebred breeding-cows and 64 calves in the second farm. The observation was carried out in the period 20142016. The average age of the cows bred in the lower altitude farm was 8.5 years, 6.3 years in the second farm. The average calving interval of cows in the first farm was 392.10 days, calving interval of cows from the mountain area farm was 492.60 days. The first calving of cows was reached in three years on both farms (2.8 and 2.9 years respectively). The calves born on the farm in the higher altitude had higher birth weight and daily gains to the age of 210 days. The difference of the average birth weight between the groups was 5.7 kg, 10.94 kg at the age of 120 days, and 25.63 kg at the age of 210 days. When comparing live weight, the calves from natural breeding had better results than the calves from artificial insemination. The study proved an excellent milking capacity of Salers cows and therefore a good growth ability of the calves even under mountain condition of Šumava.
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Analysis of a Salers cattle herd
BÍNOVÁ, Hana
The aim of this Bachelor's thesis is to evaluate the yield level in farming of meat beef-cattle of salers bred in a private farm of David Krejcar's in the village of Žďár near Protivín. The observed period included the years 2010 till 2014. The evaluation concerns 36 heads of purebred breeding-cows and 70 heads of claves in total in the observed period. The number of calving, the age of breeding-cows at the first calving, the length of mean-time, difficulties of birth delivery, and reasons for elimination from the herd were recorded for every breeding-cow. Regarding the calves, their live weigh at the birth, at the age of 120 and 210 days were recorded. The set of the calves was categorised according to the year of birth, sex, the month of birth, the way of breeding, individuality of bull, and the order of birth. The data were statistically analysed using MS Excel and the programme STATISTICA 12 by StatSoft. The average mean-time, considering the whole herd, was 389.4 days. The breeding-cows were, at the first calving, 1.090,4 days (i. e. 36.3 months) old on average. The ratio of easy birth deliveries was 98.75 %. The average live weight, regardless the sex of the calves, was 36.66 kg. At the age of 120 days, the calves weighed 170.44 kg and 273.20 kg at the age of 210 days. The calves born in 2011 had the highest average birth-weight, which was 39.27 kg. The highest average weights in 120 days were in year 2013. Regarding the calves old 210 days, it was 289.96 kg in year 2014. It has not been proven that the breeding way influences the growth of the calves. All the observed weights of calves increased up to the fourth calving of the breeding cows. There were 13 bulls chosen for the breeding out of the total of 19 bulls in the herd.
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