Using the Excel programme a database was created of 332 horses born at the horse breeding station (ŠCHK) – Měník after 1 August 1993. The database was transferred to the Unistat 6.5 programme and by ...means of the linear model GLM evaluated were some effects on horse performance in the horse breeding station (ŠCHK) – Měník. For the evaluation of breeding activities we selected a few important effects on the herd, i.e. sex, father (line), mother (family) and year of birth. For each horse of the database we identified the basic measurements, results from the score on entry into the studbook and performance tests. The database included a total of 15 homogeneous families and their numerous offspring. The following stallions influenced the herd: 366 Taarlo, 616 Erudit, 2626 Sahib Kubišta, 525 Tarlo Kubišta, 1004 First Bride, 2805 Le Patron, 630 Przedswit Makebo, 1028 Manillon Rouge and 2640 Radegast. Rating based on the variable score on entry into the studbook and the basic performance test was statistically the highest in 1994. In dependence on the basic performance test the rating of stallion 1028 Manillon Rouge was the highest with an average of 7.8 scores. The families Forma and Gama S reached the statistically significantly highest scores for the dependent variables of the testing rearing house and heart girth. The mares have a statistically significantly larger heart girth than the stallions. Stallion 2640 Radegast had a bone diameter of 22 cm which was statistically significantly the highest rating; stallion 616 Erudit had the lowest rating.
There is a period of some 5000 years or so in the prehistory of Europe when horse populations were greatly depleted and perhaps even disappeared in many places. Before this time, during the Upper ...Palaeolithic, wild horses were common; after, during the Bronze Age, domestic horses were being raised and used across Europe. What happened in between is uncertain, in part because of the sketchy archaeological record. Debates continue as to the origins (the when, where and how) of Europe's domestic horses, including whether horse husbandry dispersed only from habitats favourable to horses on the Eurasian steppes or whether there was local domestication in temperate Europe. This paper reviews the evidence for the transition from wild horses to domestic horses in Europe.
Workhorses in the nineteenth century, looking at horsebreeders in the Orne department. For horse breeding, the nineteenth century was a time of specialization, accompanied by the emergence of ...recognized breeders, and by supervision by various organizations. Through a case study of the department of Orne, reputed for its quality horse-breeding, the purpose of this article is to identify archive and other sources generated about work horses, and to examine how they complement each other and show the reality of breeding and its actors, within the farming and trading contexts.
(1) Background: Ranking traits are used commonly for breeding purposes in several equine populations; however, implementation is complex, because the position of a horse in a competition event is ...discontinuous and is influenced by the performance of its competitors. One approach to overcoming these limitations is to assume an underlying Gaussian liability that represents a horse’s performance and dictates the observed classification in a competition event. That approach can be implemented using Montecarlo Markov Chain (McMC) techniques with a procedure known as the Thurstonian model. (2) Methods: We have developed software (GIBBSTHUR) that analyses ranking traits along with other continuous or threshold traits. The software implements a Gibbs Sampler scheme with a data-augmentation step for the liability of the ranking traits and provides estimates of the variance and covariance components and predictions of the breeding values and the average performance of the competitors in competition events. (3) Results: The results of a simple example are presented, in which it is shown that the procedure can recover the simulated variance and covariance components. In addition, the correlation between the simulated and predicted breeding values and between the estimates of the event effects and the average additive genetic effect of the competitors demonstrates the ability of the software to produce useful predictions for breeding purposes. (4) Conclusions: the GIBBSTHUR software provides a useful tool for the breeding evaluation of ranking traits in horses and is freely available in a public repository (https://github.com/lvaronaunizar/Gibbsthur).
The Hungarian draft is a horse breed with a recent mixed ancestry created in the 1920s by crossing local mares with draught horses imported from France and Belgium. The interest in its conservation ...and characterization has increased over the last few years. The aim of this work is to contribute to the characterization of the endangered Hungarian heavy draft horse populations in order to obtain useful information to implement conservation strategies for these genetic stocks.
To genetically characterize the breed and to set up the basis for a conservation program, in the present study a hypervariable region of the mitochrondial DNA (D-loop) was used to assess genetic diversity in Hungarian draft horses. Two hundred and eighty five sequences obtained in our laboratory and 419 downloaded sequences available from Genbank were analyzed.
One hundred and sixty-four haplotypes and thirty-six polymorphic sites were observed. High haplotype and nucleotide diversity values (
= 0.954 ± 0.004;
= 0.028 ± 0.0004) were identified in Hungarian population, although they were higher within than among the different populations (
= 0.972 ± 0.002;
= 0.03097 ± 0.002). Fourteen of the previously observed seventeen haplogroups were detected.
Our samples showed a large intra- and interbreed variation. There was no clear clustering on the median joining network figure. The overall information collected in this work led us to consider that the genetic scenario observed for Hungarian draft breed is more likely the result of contributions from 'ancestrally' different genetic backgrounds. This study could contribute to the development of a breeding plan for Hungarian draft horses and help to formulate a genetic conservation plan, avoiding inbreeding while.
The main goal of our study was to determine a set of thawed stallion sperm characteristics that have predictive value for the pregnancy rate (PR) of mares after artificial insemination (AI). DNA ...fragmentation and survival of sperm during hypothermic storage were studied in addition to routinely determined semen characteristics such as concentration, percentage of motile spermatozoa, and morphology. To estimate DNA fragmentation, a modified hallo assay was applied. Sperm survival was determined within hours as the ability of spermatozoa to maintain progressive motility (PM) during the storage of ejaculate diluted with lactose-chelate-citrate-yolk (LCCY) medium at +4 °C. Strong positive correlation between PR and thawed sperm motility (
= 0.90,
< 0.05) as well as between PR and sperm survival (
= 084,
< 0.05) was revealed. There was also a strong negative correlation between PR and DNA damages in spermatozoa (
= -0.94,
< 0.05). We found no dependence of PR on normal morphology spermatozoa percentage in thawed semen. We concluded that the sperm activity, survival, and DNA fragmentation should be considered as the sufficient reproductive characteristics of semen to evaluate the quality of frozen/thawed sperm and prediction of PR.
Searching for mineral and energy resources in various regions of the Arctic basin has revealed the presence of huge reserves of oil, gas and other extractable resources. The coast of the Arctic ...Ocean, i.e. the European and the Asian north of Russia turns into the region of active economic development.Population migration flows into these regions will increase every year. People will move from the favorable climatic conditions to the extreme conditions of the Arctic. The harsh conditions of the Arctic are particularly heavy for the weather sensitive people with increased excitability of the central nervous system.In the extreme weather conditions, food is the most important means of organism protection. Therefore, a balanced diet is the most important means of human adaptation in the northern latitudes, with bee-farming products playing a huge role 4, 7.The Great Vasyugan swamp is the largest swamp with the area of 53,000 km2. It covers the Ob-and-Irtysh watershed, and stretches within 55040ʹ–58060ʹ N and 75030ʹ–83030ʹ E; its southern border stretches 573 km from the right bank of the Irtysh River to the left bank of the Ob River. From the southern border to the north, the swamp stretches for 320 km. In this area, there are huge reserves of peat, which make over 61% of the total stock in Russia. Among the swamp, there are islands, i.e. spaces not occupied by swamps and lakes, and covered with forest and grass 2.In the Tsarist times, the Vasyugan swamp was considered unsuitable for agriculture. Development of this region started after the October revolution. People grew gray cereals, fodder crops, potatoes, and vegetables. In this area, local horse breed named “narymka” was bred.After the Great Patriotic war, the Vasyugan Plain, or the Narym territory was deserted. Settlements were removed, and bushes and grass started growing in their place.Currently, the Great state program for studying the Narym territory has been started for using these areas to grow agricultural products to be supplied to the population of the Arctic Belt.
Polish Arabian horses are one of the most important populations of this breed in the world. Their post‐war history can be divided into two periods, with the dominant role of state studs until 1989, ...and the increasing significance of private breeding in the next years. The goal of the study was to evaluate genetic diversity and structure of the population under a new breeding policy. The analyses of breeding and microsatellite data from 1996 to 2012 provide a coherent picture of the population with constant flow of horses only in one direction from state to private studs. An increase in the number of broodmares was observed, from 396 mares in 1996 to 1021 mares in 2012. The proportion of foreign sires used in Polish studs also increased, from 7.1% to 37.0%. An increasing number of alleles and progressive differentiation in mares were observed. STRUCTURE analysis indicated that the Polish horses were clearly separated from foreign horses used in Polish breeding, although only one of the 75 alleles found can be considered as typically Polish. The high heterozygosity is an important feature of the Polish population; however, the decrease of heterozygosity in state broodmares was noted. This issue needs to be studied further.
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