The aim of this master thesis was to evaluate the effect of the year on the growth ability and the birth process of charolais breed at the selected organic farm. Review is focused on the characteristics of charolais, breeding, performance testing, births, birth weight, growth, calving season, livestock grazing, organic farming and cattle breeding in organic farming. Evaluated results from the growth ability recording scheme on the private organic farm were described in experimental part of this work. Measured values were birth weight, weight in 120 and 210 days. Further the experimental part was focused on the birth process. All presented results were compared with values from the Czech Republic records. It has been found that charolais from the organic private farm has higher average growth ability compares to the Czech Republic. In the years 2011 to 2015 was measured average birth weight of 46.7 kg for bulls and 42.9 kg for heifers. Average weight at 120 days was 196.1 kg for bulls and 180.3 kg for heifers. Average weight at 210 days was 324.7 kg for bulls and 295.1 kg for heifers. The births were almost always evaluated like easy in the monitored farm. During evaluating calving season, results show 63% of the births from January to March. At the end is evaluate the impact of the air temperature and rainfall on the yield on feed, where we can say that for the growth of grassland is not important how many millimeters of annual rainfall is, but the distribution and frequency of rainfall.

The objective of this study was to monitor the growing intensity of the bulls of Czech Fleckvieh with subsequent evaluation of the quality of the carcass in a selected company in the Vysočina. There have been monitoring in the years 2011-2014 these indicators and inter-annual results: bulls housed an average of 293 pieces, increases amounted to an average of 35580,76 kilograms in total, concentrated feed consumption averaged 2,66 kg per ks.den-1, concentrated feed consumption was of average 94667 kg total, average growth per day feeding 0,99 kg, feed consumption per kg of growth reached an average of 2,89 kg, an average of 94 bulls were sent to slaughter, with a total weight of 58,987 kg and the average slaughter weight amounted to 633,2 kg. Finally, evaluate the effect weight was 266 bulls for carcass quality, the average slaughter weight amounted to 715,4 kg. As an indicator was chosen carcase weight, which amounted an average of 401,9 kg. Furthermore, the average daily gain these monitored bulls amounted 0,985 kg, and the average age at slaughter was 23 months. Another indicator of the level of conformation, which assigned a point value system amounted 3,42. The degree of fat cover, which in the allotted scoring average value amounted 2,12. Average entry into the class SEUROP these bulls was U2. To evaluate the influence of slaughter weight of bulls on selected indicators of meat production was observed positive effect of increasing slaughter weight of bulls for carcass weight and conformation level carcasses. Fat cover of carcases different slaughter weights were not negatively affected. An interesting finding was a higher average daily gain of bulls slaughtered at higher weights. This indicates good genetic potential of animals on its suitability for fattening to slaughter weight higher, while achieving higher quality carcass (SEUROP favorable classification system and the higher financial profit for slaughter animal). In the company will still need to optimize ration, mainly to enhance the quality roughage feed.

The aim of this work was to analyze breeding and economical indicators of cattle breed in Selekta Pacov ltd. and on a private farm of Mr. Lubomir Straka in years 2014-2015. The results show, that in both cases, these plants are very modern and continuously innovated with high standard of milk performance, good health state of all milk cows, high-quality nutrition and appropriate farm management. Reproduction indicators are acceptable in both cases and correspond with the high milk performance. Economic result corresponds with the excellent level of milk cows breeding; both companies show profit during whole period of observation. Calf breeding is at high level on both farms as well. The farm of Mr. Straka shows the only problem; due to shortage of workforce, the farm has relatively high calf loss. In the heifer category, the results in breeding economy and breeding indicators are at high level. These animals are fully grown and developed with great body proportions and optimal body condition; this is the precondition of high milk performance. Bull fattening is realized in Selekta ltd. only; Mr. Lubomir Straka doesn´t fatten the bulls, but he sells them as calves already. For Selekta ltd., this commodity is an unprofitable branch. The reasons are low growth during fattening and high feed costs. If these problems are not removed, it will be better to cancel this category.

No description available.

No description available.

The aim of this diploma work was to analyse the results of the Aberdeen Angus meet oxherd breeding in an ecological farming with the welfare relationship to the animals and at the same time to compare the efficiency after the system change of the farming at the farm Angus, Rančice, owned by Šebelka. The research was done in the period of years 2006 ? 2011. The survey range includes 65 heads of thorough-bred cows as well as 204 heads of Aberdeen Angus calves born in the tracked period. The number of births, the birth process, and the age before lay out and related reasons were recorded by the cows. By the calves we noted the live mass and average daily gain in the growth process. The range of the calves was then sorted our by year of the birth, gender, rank of the birth, by genitors and by the way of farming. The data entries were elaborated in the MICROSOFT EXCEL and evaluated in STATISTICA 7 CZ. The number of spontaneous birth without cowman assist equals 94,12%, only 4,41% of births required the necessary support. By the monitored number of calves no matter of the gender was noted the lowest and the highest live mass by the birth in the year 2007 (36,81 kg resp. 38,77 kg). The group of calves born in 2010 reached the highest average weight in 120 days as well as in 210 days (192,27 kg resp. 309,04 kg). The lowest average weight in 120 days was noticed in year 2009 (168,96 kg), in 210 day in 2008 (262,31 kg). The best growth ability from the birth to 120 days was by the group of calves born in 2010 (1,409 kg) compared to the lowest result in 2009 (1,099 kg). The average daily gain from 120 till 210 days reached its minimum in 2009 (1,171 kg), the maximum numbers were noted in 2010 (1,412 kg). The growth intensity from the birth till 210 days circulated in the range of 1,071 kg (2008) and 1,377 kg (2010). In the ecological agriculture system were noted statistical better efficiency results (live mass, growth intensity) compared to conventional agriculture system.

The aim of the diploma thesis is to evaluate economic results of dairy cattle breeding. The thesis reckons with operating indicators of the herd, operating costs and revenues in the period 2010 - 2011. The result of the thesis is a quantification of operating profit in both years and formulating the rate of operating profitability. The agricultural enterprise subject to research farms in the potato- growing Pilsen region. Its main business is Holstein cattle breeding. The average number of cows in the farm was 221 in these years. The breeding takes place in the framework of a closed turnover of the cattle. The cattle is divided into age categories matched with direct costs. Producing and reproducing indicators are evaluated in particular categories. This makes it possible to express the price of a three-month old calf, the price of a full-grown heifer, costs of production of one litre of milk, and the share of particular costs by quantifying total costs. The overall profit consists of takings for sale of milk, springer heifers, and beef cattle. Besides revenues, another income of the enterprise is the subsidy. Profitability of takings is also calculated according to farming results.

The aim of this thesis was to evaluated fertility and milk performance due to multiple milking technology which was used. The monitoring was carried in 2011 in farms Agrospol, Malý Bor a.s. and the farm Dub. System evaluation of fertility and milk performance of dairy cows at multiple milking were evaluated in 186 lactations of Czech pied cattle breeding. The average number of milking in the parlour was 2.96x/day and robot 2.36x/day. 107 lactations were obtained during milking in the milking parlour and 79 of lactation during milking by robots. In this thesis were measured indicators of fertility (insemination interval, service period, the mean time and age at first calving) and indicators of milk production (lactation length, the amount of milk fat, protein and lactose content). In the reproductive indicators were taken statistically highly difference in age at first calving, where the average difference was 195 days. For other indicators of fertility were all statistically significant results in favor of milking in the milking parlour (2.96x/day). Czech pied cattle milked in the milking parlour per normative lactation average amount of milk produced 8 599.8 kg, cows milked by robot 7 272.5 kg. Among these values was statistically highly significant difference. The best results in the production of milk per normative lactation were gained by milked cows in the milking parlour (9 284.4 kg) and the second lactation cows milked in the milking parlour (9 033.0 kg) on the third and more lactation. The lowest milk production in normative lactation gained dairy cows milked by robot at first lactation (6 874.7 kg). The higher average fat content had dairy cows milked in the milking parlour with a value of 4.47 %, dairy cows milked by robot had fat content of 4.15 %. Between these values was statically highly significant difference. In the average protein content in dairy cows has been demonstrated statistically significant difference. Dairy cows milked in the milking parlour reached the value 3.41 % compared to cows milked by a robot, where the average value of protein was 3.47 %. The difference in lactose content between groups was not statistically significant.

The diploma thesis deals with the analysis of selected effects on reproduction of Holstein dairy cows. Breeding of cattle faces up to so impaired indicators of reproduction that it could cause the decrease of economic efficiency in production of milk and meat. The aim of the thesis is the evaluation of selected effects that influence the reproduction of dairy cows in the farm in Trhový Štěpánov. Information about reproduction were gained from records of efficiency controls and animal husbandry records of the year 2012. The observation included total 515 Holstein dairy cows (H100) and 1 784 inseminations were carried out. From this amount 350 dairy cows were gravid. Gained data were selected by sequence of lactation, level of dairy efficiency, inseminating bulls and synchronizing programmes. Established results showed that the only reliable indicator was the interval of insemination. Average length of interval of insemination amounted to 79,9 days. The other figures of reproduction indicators were found out below-average comparing the avarage figures of Holstein cattle. Average service period of studied dairy cows was 197,1 days and the length of between-period was 477,1 days. It was found out very low average percentage of gravidity after the first insemination (12,6 %). Average number of doses of insemination for one gravid cow was 3,5. The biggest effect on reproduction indicators had the level of dairy efficiency (P < 0,05). The shortest service period and between-period had dairy cows with efficiency of 7 000 to 10 000 kg of milk. It was not proved the influence of RPH of breeding bulls for gravidity of breeding-cows. The highest percentage of gravidity after all inseminations was after application of EOSTROPHAN (30,5 %). The worst synchronizing programme was DOUBLE OVSYNCH (12 %). The percentage of gravidity after all inseminations and synchronizing programmes was 20,4 % and after spontaneous rut only 15 %.

Cattle breeding causes one of the biggest gas pollutions. As measuring of gas concentration still remains very difficult, it's not easy to set up improving technologies. This thesis is therefore aimed on measuring of ammonia, microclimate and ammonia emissions of cattle excluding market cattle sucklers while both pasture and winter stabling. As a suitable place for measuring, a farm of Radomir Sedlacek was chosen. To verify proposed method in practice, measuring took place also in other pasturing areas. Total average of ammonia concentration in pasture measuring was 0,5123 mg.m-3. Total average of specific producing emissions from the pasture was 25,45825,458 kg.ks-1.rok-1. Total average concentration in the stable of all six probes was 0,7035403 NH3 mg.m-3. Total average of producing emission in the stable of all six probes was 113,2744816 kg.stáj-1.rok-1. Specific producing emission for one animal while stabling was 1,742684332 kg.ks-1.rok-1. Suggested action to decrease ammonia emissions on the pasture is use of Amalgerol classic. In the stables this preparation is suggested to go together with PRP FIX fermentation. When combined, up to 70% decrease of ammonia emissions can be achieved.