The influence of the PSI in breeding Hanoverian 
Sitzenstock Florian, University of Goettingen, conducted a comprehensive study on the influence of the PSI in the Hanoverian studbook since 1985.
genealogies The study examined a total of 217,475 Hanoverian foals from 1980 to 2006 and found that the PSI accounted for 23%, up from 20% in 1980 to reach 25% in 2006. During this period, the percentage of Thoroughbred horses without fell from 40 to 4%.
Obviously with a shortage of thoroughbred mares in Germany, the infusion came mainly through thoroughbred stallions. In particular, two ISPs have been the ones who have influence on Hanoverian breeding in recent years: Prince Thatch xx and xx Crusador Lauries.
In 1990, when the two stallions covered in Celle, were responsible for 29% of the foals produced that year. In 2006, 61% of all Hanoverian Warmblood foals were by Lauries Crusador.
foals fee directly thoroughbred cross constantly decreasing since 1993 and since the actual percentage of pure blood increased during the study period, mean that the PSI is in the third and fourth generation. This confirms that once the "mix" has been established, there is little need to put new blood into the breeding program.
In this study on the influence of PSI in breeding Hanoverian, confirms that a higher proportion of positive influences thoroughbred to achieve best value for dressage. By contrast, a higher percentage jump of blood PSI negatively affected.
addition, the values \u200b\u200bof structure, context and type of blood increases the influence thoroughbred PSI to 62.5%. Of particular note an improvement in the front third.
Ultimately, the study confirms that the mixture with a thoroughbred in the first two generations very positively affects external printing dressage horses. However, the value of breeding for diving has a negative effect at the crossing.
The "boss" of the Hanoverian breeding Dr. Ludwig Christmann, in relation to this study should:
"Florian Sitzenstock been established in his speech that the people of Hannover today has a thoroughbred share of 25 percent. investigated over the last thirty years, a period during which the Hanoverian breed has undergone many changes. Overall rates have improved, which means most passionate horse with longer legs, with a more directed at shaping the current competition. "
" The need of refinement still keeping high as 30 years ago, do not want to leave Thoroughbred as a breed of refining. But we want to address the use of PSI with a certain tranquility. Quiet means we will only use the Pure Bloods, who have the ability to move, handling and jumping talent. It means that we are looking carefully such thoroughbreds. "
" The difference was clear between the use of thoroughbred horse breeding in Dressage and jumping horses. The fact that an increasing proportion of pure blood has a positive impact on the value for dressage is certainly closely related to the unique situation in Hannover: During the investigation, such as exceptional Thoroughbred Lauries Crusador xx Prince Sunlight Thatch xx and xx were oriented towards dressage horse breeding. Today the influence of Lauries Crusador xx continues to grow. "
" Today Shutterfly horses as having crossed father, demonstrates the importance of also purebred breeding jumpers. However: It is almost impossible for a thoroughbred stallion established as a producer of jumping horses at the top with the first generation of sons and daughters. In the second generation, however, attributes such as willingness to performance, fast paced and competitive spirit can make great jumpers.
In recent history the children of thoroughbreds have become jumpers exceptional obstacles: Cor de la Bryère (by Rantzau xx), Landgraf (by Ladykiller xx) and Furioso II (Furioso xx). "
" Conclusion: race horse thoroughbred requires modern sport in the future, for breeders, the mares with a lot of blood and quality is a valuable asset. "
The question is whether the Big Three: Rantzau, Ladykiller and the Furious, mares have attracted sufficient to do today, they did not have any credentials in competition, a prerequisite for breeding stallion today. In fact in the past 20 years has only been a Thoroughbred stallion you've got a successful career and breeding: xx Laudeanum French star, who with the breeder, Bernard Cortois has achieved great popularity as a player.
