Faktoren, die den Reproduktionserfolg beim Pferd beeinflussen

Katila, Terttu; Nivola, Kaisa; Reilas, Tiina; Sairanen, J; Peltonen, Terttu; Virtala, Anna‐Maija

doi:10.21836/pem20100101

Cited by 3 publications

(4 citation statements)

References 11 publications

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“…Sperm motility can be affected by season, cleaning protocol of AV and penis, poor management and semen handling practices, noninfectious and infectious diseases, and chemical residues in equipment used. [2][3][4][8][9][10][11][12][13] Reproductive pathology was not noted in these 3 stallions. Sperm motility was similar when tested without seminal plasma in these 3 stallions.…”

Section: Discussionmentioning

confidence: 99%

“…Chronic motility reduction has been reported in both young (< 3 years) and old (> 14 years), stallions, 1 during warmer seasons, 2,3 or due to stress caused by physical activity. 3 Infectious diseases (e.g. equine arteritis virus disease) 5 or testicular trauma 6 can adversely affect sperm motility.…”

Section: Differential Diagnosismentioning

confidence: 99%

“…Decreased sperm motility in stallions has been attributed to disease, age, 1 season, 2 hot weather, 3 or stress induced by physical activity. 3 Many other factors can contribute to a sudden decline in sperm motility, e.g. freezing or cooling procedures for preservation.…”

Section: Introductionmentioning

confidence: 99%

“…freezing or cooling procedures for preservation. 3 We investigated the reason for an abrupt decrease in sperm motility in a heathy stallion that had normal sperm motility in the previous season.…”

Section: Introductionmentioning

confidence: 99%

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Use of a new artificial vagina without a liner reduced sperm motility in a stallion

Sánchez-Rodríguez¹,

Hall²,

Mauk³

et al. 2019

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A 24 year old Tennessee Walking Horse stallion was presented at beginning of breeding season for a sudden decrease in sperm motility noticed 1 hour after semen was collected with a new artificial vagina. Stallion was healthy and previous breeding soundness examinations indicated no signs of subfertility. Collection procedure, processing temperature, semen extender addition, and seminal plasma exclusion were examined as possible causes. None identified the reason for reduced motility. When the same artificial vagina, with or without a liner, was used to collect semen from this stallion and 2 other stallions, sperm motility increased for all 3 stallions when a liner was used. Therefore, the new artificial vagina was regarded as the cause of decreased sperm motility.

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Section: Discussionmentioning

confidence: 99%

Section: Differential Diagnosismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Use of a new artificial vagina without a liner reduced sperm motility in a stallion

Sánchez-Rodríguez¹,

Hall²,

Mauk³

et al. 2019

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Effects of Body Condition Score on the Reproductive Physiology of the Broodmare: A Review

Morley¹,

Murray²

2014

Journal of Equine Veterinary Science

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Effects of inbreeding and other systematic effects on fertility of Black Forest Draught horses in Germany

2017

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BackgroundThe Black Forest Draught horse (BFDH) is an endangered German coldblood breed with its origin in the area of the Black Forest in South Germany. In this retrospective study, the influence of the inbreeding coefficient on foaling rates was investigated using records from ten breeding seasons. Due to the small population size of BFDH, the level of inbreeding is increasing and may have an effect on foaling rates.The data of the present study included all coverings reported for 1024 BFDH mares in the years 2001–2009. These mares were covered by 32 BFDH stallions from the State Stud Marbach. Data from 4534 estrus cycles was used to calculate per cycle foaling rate (CFR). Pedigree data contained all studbook data up to the foundation of the breed as early as 1836. The level of inbreeding of the mare, stallion and expected foal along with other systematic effects on CFR were analysed using a generalized linear mixed model approach. Stallion was employed as a random effect. Systematic fixed effects were month of mating, mating type, age of the mare and stallion, reproductive status of the mare and stallion line of the mare. Inbreeding coefficients of the stallion, mare and expected foal were modelled as linear covariates.ResultsThe average CFR was 40.9%. The mean inbreeding coefficients of the mares, stallions and expected foals were 7.46, 7.70 and 9.66%. Mating type, age of the mare, reproductive status of the mare and stallion line of the mare had a significant effect.ConclusionsThe results showed that the mating type, stallion line of the mare, sire, age and reproductive status of the mare exerted the largest influences on CFR in BFDH. Inbreeding coefficients of the stallion, mare and expected foal were not significantly related with CFR.Electronic supplementary materialThe online version of this article (doi:10.1186/s13028-017-0338-4) contains supplementary material, which is available to authorized users.

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Faktoren, die den Reproduktionserfolg beim Pferd beeinflussen

Cited by 3 publications

References 11 publications

Use of a new artificial vagina without a liner reduced sperm motility in a stallion

Use of a new artificial vagina without a liner reduced sperm motility in a stallion

Effects of Body Condition Score on the Reproductive Physiology of the Broodmare: A Review

Effects of inbreeding and other systematic effects on fertility of Black Forest Draught horses in Germany

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