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Abstract

Artificial insemination (AI) with cooled stallion semen has increased markedly during the last decades in all countries, but fertility is often lower than when fresh semen or natural mating is used. The objective of this study was to examine field data (1634, cycles 523 Standardbred (SB) mares, 575 ...

Author(s)
Kareskoski, M.; Venhoranta, H.; Virtala, A. M.; Katila, T.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 127, pp 7-14
Abstract

Artificial insemination protocols depend on efficient behavioral estrus detection and insemination time in Angora goat. Therefore, we aim to determine the accuracy of an estrus scoring system in Angora goats with different PMSG doses during the breeding season. Does (n: 260) were randomly divided...

Author(s)
Tİrpan, M. B.; Tekİn, K.; Cİl, B.; Alemdar, H.; Inanc, M. E.; Olgac, K. T.; Stelletta, C.; Daskİn, A.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2019, 13, 3, pp 564-569
Abstract

Objective: There exist differences in the reproductive behavior of stallions and mares under free-running and domestic in-hand breeding conditions. Contrary to artificial insemination programs, a stallion mates a mare multiple times per estrus under natural conditions. The objective of this study...

Author(s)
Huber, D.; Amsler, E.; Vidondo, B.; Kaeser, R.; Wespi, B.; Sieme, H.; Burger, D.
Publisher
Schattauer GmbH, Stuttgart, Germany
Citation
Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 2019, 47, 1, pp 18-24
Abstract

Estrus synchronization and artificial insemination are commonly used as a pair of matching technologies in sheep breeding. In view of the uneven estrus synchronization rate and conception rate in practical production, the estrus synchronization method of "CIDR+PMSG+PG" is introduced and the...

Author(s)
Zhang ZhiHong
Publisher
Inner Mongolia Academy of Agriculture and Animal Husbandry Science, Hohhot, China
Citation
Animal Husbandry and Feed Science (Inner Mongolia), 2018, 39, 1, pp 76-78
AbstractFull Text

The objective of the study was to evaluate the use of estrous control treatments, determining genital status by ultrasonography, efficiency of detection and distribution of heat, and pregnancy in artificially inseminated cows. The work was carried out with 380 females. The cows was classified by...

Author(s)
Konrad, J. L.; Crudeli, G. A.
Publisher
Facultad de Ciencias Veterinarias de la Universidad Nacional del Nordeste (UNNE), Corrientes, Argentina
Citation
Revista Veterinaria, 2018, 29, 1, pp 18-21
AbstractFull Text

In the present study the effects of lecirelin acetate injections applied in different ways after artificial insemination on the pregnancy rate of cows were investigated. As a material, 180 cows showing the spontaneous oestrus between 50-120 days after parturation and having the sexual cycle at...

Author(s)
Can, C.; Yıldız, H.
Publisher
Harran Üniversitesi Veteriner Fakültesi, Șanlıurfa, Turkey
Citation
Harran Üniversitesi Veteriner Fakültesi Dergisi, 2018, 7, 1, pp 114-118
Abstract

This experiment was designed to compare pregnancy rates in postpartum beef cows following split-time (STAI) or fixed-time (FTAI) artificial insemination. Estrus was synchronized for 671 cows at seven locations following administration of the 7-d CO-Synch + CIDR protocol (100 µg GnRH+CIDR insert...

Author(s)
Bishop, B. E.; Thomas, J. M.; Abel, J. M.; Poock, S. E.; Ellersieck, M. R.; Smith, M. F.; Patterson, D. J.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2017, 99, pp 48-52
Abstract

Donkey farming is expanding because of the rediscovery of nutritional properties of jennies' milk for human consumption. In livestock, timed artificial insemination (TAI) allows to manage big herds without estrus detection, but there are very few studies on estrus synchronization in jennies. The...

Author(s)
Fanelli, D.; Tesi, M.; Rota, A.; Beltramo, M.; Camillo, F.; Panzani, D.
Publisher
Elsevier, New York, USA
Citation
Journal of Equine Veterinary Science, 2019, 74, pp 36-41
AbstractFull Text

A cross sectional study was conducted from November 2015 to May 2016 with the objective of assessing the problems associated with artificial insemination service in dairy cattle in five selected peasant associations of Tullo district, west Hararghe, Ethiopia. A structured questionnaire was used for ...

Author(s)
Riyad Juneyid; Anwar Hassen; Jelalu Kemal; Kiros Welay
Publisher
Ethiopian Veterinary Association, Addis Ababa, Ethiopia
Citation
Ethiopian Veterinary Journal, 2017, 21, 2, pp 62-74
Abstract

The use of artificial insemination in cows makes possible breeding of superior animals, which are known as enhancer individuals. However, the major limitation for its expansion has been the necessity for estrus detection. Thus, programs of fixed time artificial insemination (FTAI), without the...

Author(s)
Cavalieri, F. L. B.; Colombo, A. H. B.; Andreazzi, M. A.; Gonçalves, É. A.
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2016, 21, 1, pp 25-31

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