[Survey of the reproductive features and insemination/mating results in full blood Arabian and Haflinger mare herds on stud farms in west and middle Anatolia].
Abstract: Within a German-Turkish university partnership documentation of reproductive data of brood-mares was performed as a part project of the cooperation contract. In the study Arab, Haflinger and cross-breed mares were included. The mares mainly were housed in big studfarms and a smaller part was kept under small private farms. Almost three quarters of both the Arab and Haflinger mares exhibited an estrous length of 1-4 days, whereas the others showed a heat duration of a period of 5-10 days. In the same group of probands a mean length of sexual cycle of 18-24 days could be observed in 38.2% of the Haflinger. The majority of the other mares in both races documented a cycle duration of more than 25 days. The remarkable short duration of heat is discussed as caused by the sharp change from winter to spring environment conditions in that area. An explanation of the marked long mean cycle interval is difficult and might be caused by inadequate documentation of the data. Conception results and foaling data as 83.4% resp. 78.8% in the Arabs and 76.6% resp. 74.8% in the Haflinger mares are within the international standard. Conception rate and foaling data in the cross-breed (72.3% resp. 55.3%) are low compared with data (96.9% 70.8%) of Arab brood-mares kept under stud condition in that area. These data point out the necessity of improving pre- and postconceptional care of the mares under stud conditions as well as in private keeping.
Publication Date: 1991-09-01 PubMed ID: 1954862
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- English Abstract
- Journal Article
Summary
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This research explores the reproductive traits and breeding results of Arabian and Haflinger mares on stud farms in West and Middle Anatolia. Among the key findings were that most mares experienced 1-4 day estrus cycles, but the length varied significantly, and a large number had longer cycles. Despite some challenges, conception and foaling rates were largely within international standards, aside from some inconsistencies which the researchers attribute to possibly inadequate data.
Reproductive Traits
- The study focused primarily on Arabian, Haflinger, and cross-breed mares living on large stud farms, with a smaller number residing on private farms.
- Three-quarters of both the Arabian and Haflinger mares had a heatspan of 1-4 days, a notably short duration, and the rest experienced a heat span of 5-10 days.
- The horses’ sexual cycles tended to last 18-24 days, although some mares were observed to have cycles exceeding 25 days.
Environmental Impact on Reproductive Traits
- The short heatspan was proposed to be due to an abrupt shift from winter to spring environment in the area under study.
Data Recording Challenges
- The team found difficulty in ascertaining an accurate cycle interval, citing potential discrepancies or inadequacies in the documentation of the data.
Conception and Foaling Results
- Arabian mares had conception rates of 83.4% and foaling rates at 78.8%. For the Haflinger mares, these rates were documented as 76.6% and 74.8% respectively. These results were considered to be within the international standard.
- Cross-breed horses had lower conception (72.3%) and foaling (55.3%) outcomes compared to Arab mares residing under the same conditions (96.9% and 70.8% respectively).
Need for Pre- and Post-conception Care
- The data suggested a need for improved care both before and after pregnancy under stud conditions and in private keeping to possibly raise conception and foaling rates.
Cite This Article
APA
Tekin N, Yurdaydin N, Klug E, Yavas Y, Aksu A, Gülyüz F.
(1991).
[Survey of the reproductive features and insemination/mating results in full blood Arabian and Haflinger mare herds on stud farms in west and middle Anatolia].
Dtsch Tierarztl Wochenschr, 98(9), 350-352.
Publication
Researcher Affiliations
- Veterinärmedizinischen Fakultät, Universität Ankara, Türkei.
MeSH Terms
- Animals
- Breeding
- Crosses, Genetic
- Estrus
- Female
- Fertilization
- Horses / physiology
- Pregnancy
- Reproduction
- Seasons
- Turkey
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