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Koenen, E.P.C.; Aldridge, L.I.; Philipsson, J. |
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Title |
An overview of breeding objectives for warmblood sport horses |
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Journal Article |
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2004 |
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Livestock Production Science |
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88 |
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1-2 |
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77-84 |
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Breeding objective; Sport horse; Sport performance; Conformation; Specialisation |
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The aim of this paper is to review the current breeding objectives of organisations that run a selection programme for warmblood riding horses in the light of an increasing trend in trade of semen across countries. In a questionnaire, 19 horse breeding organisations provided information on breeding objective traits. Variation both in length and amount of details used to define individual breeding objectives was large, reflecting that many traits in sport horse breeding are not easy to measure, and therefore, have to be defined in a subjective way. The majority of the breeding objectives included conformation, gaits and performance in show jumping and dressage. Some breeding objectives also included behaviour, soundness, health and fertility. However, several organisations did not specify the sport discipline and the level of competition (amateur, national or international level) in the breeding objective. In general, relative weightings of the traits within the verbally presented breeding objectives were not given, but were assessed by the organisations in response to this study. The relevance of more information on expected future production circumstances and on the genetic parameters of the traits of interest are discussed. A further review of the consistency, completeness and the number of traits of the present breeding objectives for sport horses is recommended to optimise the efficiency of selection decisions. |
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refbase @ user @ |
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3954 |
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Haring, H. |
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Title |
Development, level and prospects of the german horse breeding |
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Journal Article |
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Year |
2005 |
Publication |
Zuechtungskunde |
Abbreviated Journal |
Zuechtungskunde |
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77 |
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6 |
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490-495 |
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Breeding program; Breeding/Member association; Change of structure; Estimation of breeding values; Fédération Equestre Nationale (FN)/German Equestrian Federation; Step of selection; Equidae; Equus caballus |
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The economic impact of the horses of the Federal Republic of Germany has gone up, the statistic numerals verify obviously that Germany took pride of place in Europe in terms of numbers of riders as well as numbers of horses. Successes of German branded horses let their breeders reach the summit worldwide. The carefully agreed breeding programme connects practical cognitions with those of science and permits the leading breeding areas unobstructed space to set their own priorities. Globalisation and rised demand of customers forces breeding associations towards a far-reaching reorganisation because just large powerful institutions can meet these requirements. An end of this process, which scarcely has just begun, cannot yet be conceivable seen. – Eugen Ulmer KG, Stuttgart. |
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Deutsche Reiterliche Vereinigung e. V., 48229 Warendorf, Germany |
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00445401 (Issn) |
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Cited By (since 1996): 1; Export Date: 21 April 2007; Source: Scopus; Language of Original Document: German; Correspondence Address: Haring, H.; Deutsche Reiterliche Vereinigung e. V. 48229 Warendorf, Germany; email: Hharing@fn-dokr.de |
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refbase @ user @ |
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791 |
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Stock, K.F.; Distl, O. |
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Title |
Evaluation of expected response to selection for orthopedic health and performance traits in Hanoverian Warmblood horses |
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Journal Article |
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Year |
2005 |
Publication |
American Journal of Veterinary Research |
Abbreviated Journal |
Am J Vet Res |
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66 |
Issue |
8 |
Pages |
1371-1379 |
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Keywords |
Animals; Bone Diseases/genetics/*veterinary; *Breeding; Genetic Predisposition to Disease; Horse Diseases/*genetics; Horses/*genetics; Joint Diseases/genetics/*veterinary; Selection (Genetics) |
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OBJECTIVE: To determine whether selection schemes accounting for orthopedic health traits were compatible with breeding progress in performance parameters in Hanoverian Warmblood horses. ANIMALS: 5,928 horses. PROCEDURE: Relative breeding values (RBVs) were predicted for osseous fragments in fetlock (metacarpo- and metatarsophalangeal) and tarsal joints, deforming arthropathy in tarsal joints, and pathologic changes in distal sesamoid bones. Selection schemes were developed on the basis of total indices for radiographic findings (TIR), dressage (TID), and jumping (TIJ). Response to selection was traced over 2 generations of horses for dressage and jumping ability and all-purpose breeding. Development of mean RBVs and mean total indices in sires and prevalences of orthopedic health traits in their offspring were used to assess response to selection. RESULTS: Giving equal weight toTIR andTID, TIJ, or a combined index of 60% TID and 40% TIJ, 43% to 53% of paternal grandsires and 70% to 82% of descending sires passed selection. In each case, RBVs and total indices increased by as much as 9% in selected sires, when compared with all sires, and prevalences of orthopedic health traits in offspring of selected sires decreased relatively by as much as 16%. When selection was exclusively based on TID, TIJ, or TID and TIJ, percentages of selected sires were 44% to 66% in the first and 73% to 84% in the second generation and TID and TIJ increased by 9% to 10% and 19% to 23%, respectively. CONCLUSIONS AND CLINICAL RELEVANCE: Compared with exclusively performance-based selection, percentages of selected sires changed slightly and breeding progress in TID, TIJ, or TID and TIJ was only slightly decreased; however, prevalences of orthopedic health traits decreased in offspring of TIR-selected sires. |
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Institute for Animal Breeding and Genetics, University of Veterinary Medicine Hannover (Foundation), Bunteweg 17p, 30559 Hannover, Germany |
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0002-9645 |
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PMID:16173480 |
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Equine Behaviour @ team @ |
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3713 |
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Stock, K.F.; Distl, O. |
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Prediction of breeding values for osseous fragments in fetlock and hock joints, deforming arthropathy in hock joints, and pathologic changes in the navicular bones of Hanoverian Warmblood horses |
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Journal Article |
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2005 |
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Livestock Production Science |
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92 |
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1 |
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77-94 |
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Keywords |
Hanoverian Warmblood horse; Radiological status; Breeding values; Response to selection |
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The results of a standardised radiological examination of 5928 Hanoverian Warmblood horses selected for sale at auction were used to predict relative breeding values (RBV) in the 23,662 horses included in the last four generations of the probands' pedigrees. The distribution of the RBV was investigated in the whole four-generation pedigree, in the probands and in those stallions that contributed at least three offspring to the probands. The RBV of the probands' sires were further compared with the officially published performance-based relative breeding values, i.e., total indices dressage (TID) and jumping (TIJ). The sires' level of dressage indices was considerably higher (mean TID=110) than of the jumping indices (mean TIJ=98). Total indices radiographic findings (TIR) were calculated for the sires with varying weighting given to the individual RBV. In each case, this resulted in a mean TIR of 99. Finally, total indices were derived from TIR and TID and/or TIJ in order to develop different selection schemes for all-purpose breeding and for breeding focused on dressage and show jumping. All breeding values under consideration increased by between 1% and 19% when radiographic findings were weighted with between 30% and 60% complementary to the corresponding performance parameters, and when only sires were selected with above average total indices. At the same time, the prevalences of the radiographic findings investigated here were lowered by up to 10% each. When only one radiographic finding was considered at a time, the maximum attainable response to selection was a 16-23% increase in the relative breeding values and a relative decrease in prevalences of radiographic findings of between 31% and 52%. The results of this study indicate that it is possible in horse breeding to consider simultaneously health and performance traits. Medical data should be included in the prediction of breeding values in order to improve the radiological status of today's riding horses. |
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refbase @ user @ |
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3953 |
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Ionita, J.C.; Poncet, P.A.; Doherr, M.G.; Steiger, A. |
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[Evaluation of the quality of husbandry of Franches-Montagnes horses in their breeding farms] |
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Journal Article |
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Year |
2006 |
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Schweizer Archiv fur Tierheilkunde |
Abbreviated Journal |
Schweiz Arch Tierheilkd |
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Volume |
148 |
Issue |
4 |
Pages |
191-197 |
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Animal Husbandry/methods/*standards/statistics & numerical data; *Animal Welfare; Animals; Breeding/*methods/standards; Female; Floors and Floorcoverings; Horses/*physiology; Housing, Animal/*standards; Male; Poaceae; Questionnaires; Social Behavior; Switzerland |
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The quality of husbandry of Franches-Montagnes horses (FM) in Switzerland is evaluated on the basis of an investigation carried out in 2002 by the Swiss FM breeding federation. Questionnaires were sent to 3500 of its members and the results include data from 968 breeding enterprises, housing a total of 3965 FM: 46.1% were breeding mares (61.0% with foal at foot), 26.5% young stock, 1.3% stallions and 26.0% non breeding stock (74.6% of which were pleasure horses and 25.4% working horses). 57.6% of the FM were housed in individual boxes with or without permanent outdoor access, 25.4% were hold in groups with or without permanent outdoor access, the remaining 17.0% were kept in standing stalls. 95.0% of the FM had at least visual contact with other equines and 99.2% had sufficient light in their stable. 88.1% were stabled on long stalk straw, while only 4.3% were bedded on other materials other than straw. The average time spent at pasture per horse and per week ranged from 96.5 +/- 51.6 hours in summer to 27.2 +/- 26.7 hours in winter. On average, a FM is used for 8.3 +/- 6.5 hours per week. Horses with an paddock at their disposal spend an average of 39.8 +/- 45.9 hours there per week. |
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Chirurgische Tierklinik, Universitat Leipzig |
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French |
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Les conditions de detention des chevaux de race franches-montagnes dans leurs exploitations d'elevage |
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0036-7281 |
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PMID:16703760 |
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1872 |
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Poncet, P.A.; Ionita, J.C.; Doherr, M.G.; Steiger, A. |
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[The influence of the socio-economic structure of the breeding farms of Franches-Montagnes horses on the conditions of husbandry] |
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Journal Article |
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2006 |
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Schweizer Archiv fur Tierheilkunde |
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Schweiz Arch Tierheilkd |
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148 |
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4 |
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183-189 |
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Altitude; Animal Husbandry/methods/*standards; Animals; Breeding/*economics/standards; Demography; Female; Horses/*physiology; Housing, Animal/*standards; Male; Physical Conditioning, Animal/methods/*physiology; Questionnaires; Social Behavior; Socioeconomic Factors; Switzerland |
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The socio-economic structure of the breeding farms of Franches-Montagnes horses (FM) in Switzerland is evaluated on the basis of an investigation carried out in 2002 by the Swiss FM breeding federation. Questionnaires were sent to 3500 of its members and the results include data from 968 breeding enterprises, housing a total of 3965 FM. The quality of the husbandry of FM varies according to factors such as the altitude and the geographical situation of the farms and studs. Socio-economic parameters, such as the role of FM in the business, their use (breeding, driving, riding) and the age and level of professional education of the owners may also have an effect on standards of husbandry. The results show that the owners for whom FM represent a source of income more frequently keep their horses in standing stalls, but give them more time to exercise at liberty than the horses belonging to amateur breeders. Younger and better educated breeders are more likely to house their animals in groups. |
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Haras national suisse, Avenches |
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French |
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L'influence de la structure socio-economique des exploitations d'elevage de chevaux de race franches-montagnes sur les conditions de detention |
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0036-7281 |
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PMID:16703759 |
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1873 |
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Nocera, J.J.; Forbes, G.J.; Giraldeau, L.-A. |
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Inadvertent social information in breeding site selection of natal dispersing birds |
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Journal Article |
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Year |
2006 |
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Proceedings. Biological Sciences / The Royal Society |
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Proc Biol Sci |
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273 |
Issue |
1584 |
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349-355 |
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Animals; *Behavior, Animal; *Breeding; *Environment; Female; Logistic Models; Male; Songbirds/growth & development/*physiology |
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Several species use the number of young produced as public information (PI) to assess breeding site quality. PI is inaccessible for synchronously breeding birds because nests are empty by the time the young can collect this information. We investigate if location cues are the next best source of inadvertent social information (ISI) used by young prospectors during breeding site choice. We experimentally deployed ISI as decoys and song playbacks of breeding males in suitable and sub-optimal habitats during pre- and post-breeding periods, and monitored territory establishment during the subsequent breeding season for a social, bobolink (Dolichonyx oryzivorus), and a more solitary species, Nelson's sharp-tailed sparrow (Ammodramus nelsoni). The sparrows did not respond to treatments, but bobolinks responded strongly to post-breeding location cues, irrespective of habitat quality. The following year, 17/20 sub-optimal plots to which bobolink males were recruited were defended for at least two weeks, indicating that song heard the previous year could exert a “carry-over attraction” effect on conspecifics the following year. Sixteen recruited males were natal dispersers, as expected when animals have little opportunity to directly sample their natal habitat quality. We suggest that differences in breeding synchronicity may induce an equivalent clinal distribution of ISI use. |
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Department of Biology, University of New Brunswick, Bag Service #45111, Fredericton, NB E3B 6E1, Canada. j.nocera@unb.ca |
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0962-8452 |
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PMID:16543178 |
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2129 |
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Momozawa, Y.; Takeuchi, Y.; Tozaki, T.; Kikusui, T.; Hasegawa, T.; Raudsepp, T.; Chowdhary, B.P.; Kusunose, R.; Mori, Y. |
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SNP detection and radiation hybrid mapping in horses of nine candidate genes for temperament |
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Journal Article |
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2007 |
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Animal Genetics |
Abbreviated Journal |
Anim Genet |
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38 |
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1 |
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81-83 |
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Animals; *Behavior, Animal; Breeding; Horses/*genetics/physiology; *Polymorphism, Single Nucleotide; Radiation Hybrid Mapping; *Temperament |
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Laboratory of Veterinary Ethology, The University of Tokyo, Tokyo 113-8657, Japan |
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0268-9146 |
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PMID:17257195 |
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1834 |
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Dubois, C.; Manfredi, E.; Ricard, A. |
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Title |
Optimization of breeding schemes for sport horses |
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Journal Article |
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Year |
2008 |
Publication |
Livestock Science |
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118 |
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1-2 |
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99-112 |
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Breeding scheme; Horse; Jumping; Optimization; Genetic trend, Multistage selection |
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A selection scheme for jumping sport horses is modelled with four stages of selection for males and one stage for females. The selection objective included three traits: conformation and gaits (CG, weighted 20%), competition jumping (CJ, weighted 60%) and a third trait (TT, weighted 20%) such as sperm quality or orthopaedic status. The first selection stage is based on knowledge of the pedigree with the aim of selecting horses suitable for CG test (at 3Â years old) and CJ test (at 5Â years old). The second stage includes the horse's own performance with respect to CG and CJ with the aim of selecting horses suitable for the TT test. The third stage is the selection of a limited number of males who are allowed to reproduce. The fourth stage (at 12Â years old) takes into account the results of the horse's progeny. Females are selected in one step, whatever the number of performances measured at 5Â years old. The annual genetic response was 9.4% genetic standard deviation of the objective, 2.6% for CG, 9.0% for CJ and 1.5% for TT. Results showed that selection by progeny testing did not contribute much to genetic response (12% of progeny issued from proven sires), the female pathway represented 26% of genetic response, TT was difficult to improve when the genetic correlation was unfavourable (-Â 0.6% genetic standard deviation for -Â 0.20 genetic correlation), and should consequently be directed towards the use of molecular markers. When compared with a selection scheme involving a station test, genetic response was the same if the breeding values used for selection before entering the station test took into account the results of the relatives for CJ and CG. This revealed the importance of an extensive performance test (like for competition performance) when designing breeding schemes for sport horses. |
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1871-1413 |
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Equine Behaviour @ team @ |
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4759 |
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Benhajali, H.; Richard-Yris, M.-A.; Ezzaouia, M.; Charfi, F.; Hausberger, M. |
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Title |
Reproductive status and stereotypies in breeding mares: A brief report |
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Journal Article |
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2010 |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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128 |
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1-4 |
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64-68 |
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Stereotypies; Breeding mare; Sire; Reproductive-status |
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The aim of this study was to investigate the relationship between age, reproductive status and sire of the mare and the tendency to perform stereotypies. One hundred and fourteen purebred Arab mares, offspring of 39 sires ( offspring per sire) and aged 4-21 years () were observed from the 30th March to the 15th of May 2005 using instantaneous scan sampling. We used a multivariate logistic regression in order to study the relationship between age, reproductive status and sire of the mare and the tendency to perform stereotypies. 28% of the observed mares showed stereotypic behaviour, mostly weaving (22%). Neither age (χ2 Wald = 9.36, p = 0.89) nor sire (χ2 Wald = 4.34, p = 1.0) affected the occurrence of stereotypies whilst the reproductive status of the mare influenced significantly the occurrence (χ2 Wald = 10.75, p = 0.001) but also the type (χ2 = 12.1, p < 0.001) of stereotypic behaviour. Weaving was more frequent in non foaling mares (41.4%) than in foaling mares (1.8%) that performed mostly stall-walking. |
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0168-1591 |
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Equine Behaviour @ team @ |
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5279 |
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