The aim of this thesis was to analyze milk yield and fertility in dairy cattle herds ? combined (Czech Pied cattle) and dojného utility type (Holstein cattle ) in the same breeding system. Further culling was evaluated, the cost of feeding a day and milk production. Observations were carried out in the company Podhoran Černíkov, as in the time sequence of zootechnical 2 years (1st 10th 2009 - 30 9th 2011). By tracking a total of 310 cows of which 47 cows of Czech Pied cattle C1 (C 100 %), breeding hybrids participation of Czech Fleckvieh with Holstein and Red Holstein breed C2 (C 75 ? 88 %) 53 pieces and C3 (C 50 to 74 %) 38 pieces, the cows of Holstein breed H1 (H 100 % ) 158 pieces, the unit crosses with Czech Holstein cattle piebald H3 (H 75 ? 87 %) 10 pieces, and H4 (H 60 ? 74 %) 4 pcs. Furthermore, the basic data set is divided according to genotype into two groups: 138 pieces of Czech Fleckvieh cows and 172 cows of Holstein breed pc. When evaluating the performance files were still divided into two in order of lactation on the first, second and more. Viewed indicators for evaluation of milk production were: number of lactation, lactation length (days), the amount of milk (kg), fat content (%), production of milk fat (kg), protein content in milk (%), production of proteins in milk (kg), lactose content in milk (%). The fertility parameters were observed: genotype, age at first calving (days), insemination interval (days), service period (days) and interval (days). Further culling was still considered, the cost of feed per day (CZK) and the cost of 1 liter of milk (CZK). When combined, mixed breed (Czech Pied cattle) and utility type (Holstein cattle) is necessary for herd management to allow for different feed consumption. Commercial breeding of different types in a joint breeding achieve different levels of performance for the benefit performance of Holstein cattle. Higher productivity of breeding Holstein cattle fertility and deteriorating indicators since these must be spend more time in searching for the rut to ensure reproduction of the desired level. A lower yield reaching Czech Fleckvieh breeding in specific terms the average results. Due to the achieved performance for both types of utility can say good job in management.

Aim of the thesis is to evaluate health in selected pig stock. Adherence to vaccination programs and good veterinary prevention principles, provision of appropriate stall, good care and feeding, piglets wean timing, selection of breeding animals, choosing of reliable personnel and other factors have great impact on health in pig stock. Considering above mentioned factors, the aim of the thesis was to asses health of sows, piglets and fattening pigs in chosen farm Ponědraž ltd. and asses influence of vaccination on production in time period 2010 to 2011. Further it was neccesary to asses observance of good hygiene praxis in enterprise, including using of hygiene loop by personnel and to find out, if the enterprise is equiped with systematic protection against infectious diseases. To evaluate stall by pig categories, animal welfare and positive influence on health and increase of pig production as a whole. Further to asses compliance with EU legislation. Aim of the thesis is to evaleuate new vaccination scheme against respirational diseases, it´s influence on increase of production and improving of healt in observed stock. In the end are all above mentioned requirements evaluated.

The goal of this Diploma thesis was an analysis of the chosen factors and their influence on sheep fertility in the herd of sumava sheep. This factors were presented through the age of sheep, sheep nutrition and stress influence on the sheep fertility. For this purpose it was chosen the sumava sheep farming in herd Michlova Hut. At first this herd was introduced, than statistically described in terms of sheep fertility and in the next part there was analysis of the chosen factors. Based on these results the conclusions and the basic breeder recommendation to breeder community were deduced. The main reason for choice this topic was a growing breeder´s interest in breeder´s economy and various possibilities of the increasing sheep fertility.

The observation of cattle breeding before and after monitoring resuets of stable technology from stanchion housing to free box housing with bedding was procceded from 2003 to 2006 in agricultural cooperative Netřebice. There were observed 169 dairy cows, 120 pieces of Holstein and 49 pieces of Czech Pied cattle. The influence of technology change was specified on the basis of milk testing and fertility results. Milk performance in free box housing system reached higher level than in stanchion housing. Reproduction parameters reached mostly better figures in the free box housing.

The aim of thesis was to analyze the milk efficiency and fertility of dairy cows of Holstein cattle breeding under intensive conditions. The examinations were made in the agricultural company ZDV Krchleby, a.s. during the year of 2007 to 2009. In total, 147 dairy cows were used for observation including 35 Holstein dairy cows (100% H, R 100%), in a group called - H1, 70 Holstein cows crossed with Czech spotted cattle (H 75 - 87%, R 75 - 87%) in group - H3 and 42 Holstein cows crossed with Czech spotted cattle (H 50 - 74%, R 50 - 74%), in group - H4. Furthermore, the basic data set was divided according to lactation into four groups: 1st lactation, 2nd lactations, 3rd lactations, 4th and more lactations. The main indicators for evaluation of the milk efficiency were the: milk quantity (kg), amount of fat in the milk (%), production of the fat in the milk (kg), amount of protein in the milk (%), production of protein in the milk (kg), content of lactose in the milk (%), persistency of lactation and lactation duration (in days). In terms of fertility, the following factors were evaluated: the cow?s age at first birth (in days), insemination interval (in days), service period (in days) and the periods between births (in days). The cows in the first group milked on average of 8945.03 kg of milk, the amount of fat was 3.66%, the content of protein was 3.32%. Cows in the second group milked an average amount of 8186.55 kg of milk, the content of fat was 3.77%, the amount of protein was 3.33%. The third group milked an average amount of the milk 8649.05 kg, the content of fat was 3.58% and the amount of protein was 3.26%. Differences between these groups were not statistically significant. From the reproductive indicators, statistically, the only most significant difference was the time in between births. The longest period in between births was measured in the first group - 576.22 days, in the second group - 487.38 days and in the third group - 480.95 days.

The aim of the thesis was to evaluate fertility and milk performance in dairy cows, predominantly Holstein cattle, due to technology used in the view of welfare animals. Monitoring was carried out on the farm AGROSPOL, Malý Bor a.s. from 2008 to 2010. Dairy cows were kept in the same technological conditions, with the same level of nutrition and treatment. Monitoring included 662 dairy cows of Bohemian Spotted Cattle (C), Holstein cattle (H1) and high proportion of crossbreeds of these cows (H2). Fertility was evaluated due to indicators of reproduction (first calving age, insemination interval, service period, interim) and in terms of milk performance there were measured indicators of milk production (lactation length, milk production, protein production, fat content, protein and lactose content). Statistically, significant differences were found in the length of insemination interval, service period length (P ? 0,01) and interim length (P ? 0,05). Dairy cows (C) reached markedly shorter period of the following indicators: insemination interval 70,6 days, service period 98,6 days and interim 395,9 days. There was not found a significant difference in length of these indicators among the groups of Holstein dairy cows. Lactation order did not influence the length of reproduction indicators. The influence of bull-father in terms of reproductive indicators was not proved. Comparison of milk production and protein production in dairy cows due to lactation order proved that cows in the first lactation had a lower yield of milk (8737,1 kg) than dairy cows in the following lactations (9669,3 ? 10209,3 kg), as well as protein production (kg). Dairy cows ?C? gave 9115,3 kg of milk in 305 days, dairy cows ?H1? 9664,1 kg and cows ?H2? 9511,0 kg of milk. These differences were not evaluated as statistically conclusive, as well as differences in content of milk elements among genotypes in fixed lactation norms. The influence of the individuality of a bull in milk and protein production was not proved. Significant differences were found in percentage of fat content (P ? 0,05), protein and lactose content (P ? 0,01) in milk of cow-daughters after particular bulls.

The objective of this study was assessing of utility and fertility in Montbéliarde cows and comparing with utility and fertility in Czech Spotted cows, bred in the same conditions. The recording was performed in the agricultural cooperative Bělčice, where both breeds are bred in the same conditions of environment, nutrition and care. The recording includes 366 cows (123 Montbéliarde cows {--} I, 109 Czech Spotted cows {--} C and 134 50 % Montbéliarde and 50 % Czech Spotted crossbreds - CI), which finished their lactation from 1.10.2004 until 13.7.2007. The fertility was assessed by reproduction indexes as first calving age, insemination period, meantime; and milk yield by utility indexes as quantity of milk; fat, protein, lactose contain, lactation persistence, length of lactation. There have been found important differences in reproduction indexes such as length of service period, length of meantime and first calving age. On I cows there was the biggest length of service period (124.5 days), even the length of meantime (414.6 days), on the contrary the CI group has reached the lowest numbers (99.7 and 377.2 days). Montbéliarde cows reached 844.7 days age when first calving, that is 52.6 days earlier than C group. Czech Spotted cows produced in average 7672.7 kg of milk per lactation when cross breeds produced 7677.1 kg and Montbéliarde cows produced 8708.5 kg of milk. Differences were statistically very significant. Montbéliarde cows had demonstrably lower (P $łeq$ 0,001) fat contain in milk (4.06 % in compare with 4.23 % by C and 4.21 % by CI). There wasn{\crq}t statistically significant difference recorded in protein contain among breeds by numbers 3.46 for C; 3.48 for CI and 3.46 for I. Because of the high milk yield of Montbéliarde cows, there was reached the highest production of fat (352.3 kg) even proteins (300.8 kg) in this breed. The highest index of lactation persistence was documented in Montbéliarde cows in level 89,9 in compare with the lowest reached level 85.4 (P $łeq$ 0.001) in the group of Czech Spotted cows.

This diploma thesis deals with the analysis of the birth rate and fertility rate in dependence on the economic conditions of the Czech Republic. The aim of this thesis is to analyze relations between selected socio-economic indicators and total fertility rate on the basis of available data and to evaluate changes related to birth and fertility in the Czech Republic, which occurred in the period 1993-2015. The thesis is divided into two main parts - theoretical and analytical. In the theoretical part are described the basic methods of calculating the characteristics for the analysis of the level of birthrate and fertility, as well as the development of selected socio-economic indicators. An important part of the first part of the diploma thesis is specification of used methods within time series. The second part is practically focused on cointegration analysis and subsequent assembly of single-row models from which error correction models were obtained by transformation. These can be used to describe short and long term relationships between time series. Explained variables are aggregate fertility in all assembled models, the explanatory variables are GDP, average gross monthly wage, final consumption expenditure for households, child allowances, parental allowance and household loans per capita.

The main subject of this thesis is examining the current state of marital behavior of young people in the Czech Republic and it's development after 1989, focusing on the growing number of single households and the related phenomenon singles. The work is based on the first part of the empirical data, particularly demographic data on family behavior. It highlights the impact of the second demographic transition on the current state of family life of young people and indicates a historical development of nuptality and fertility. In the practical part the focus is mainly on the analysis of the fundamental characteristics of family behavior after 1989. An integral part of my work is the research on the topic.

This work aims to outline the factors that may affect probability of transition from motherhood of two children to motherhood of three children, in positive or negative way. This work would also like to specify, if this factors can be affected and so the better conditions for three-children-families can be achieved. These goals are reached by analysing demographical data of years 1990-2011 and also by own research of qualitative data in group of mothers-of-two-children in age up to 45 including. This work also contains theoretical background of the problem of decreasing fertility, the development of indicators of fertility of third child in the Czech Republic and selected states of Europe. It is also important to characterize the progression of length of interval between delivery of second and the third child, analysis of probability of transition from motherhood of two children to motherhood of three and estimations of cohort probability of giving birth to third child.