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Animal Science Database

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Abstract

This study was conducted to assess the problems associated with the artificial insemination service in Essera woreda of Dawuro zone, southern Ethiopia from December, 2016 to August, 2017. The study was conducted using questionnaire survey and records in targeted human and dairy cow's population,...

Author(s)
Fentaye Kassa; Wubshet Wuletaw
Publisher
Academic Journals, Lagos, Nigeria
Citation
International Journal of Livestock Production, 2018, 9, 2, pp 24-28
Abstract

The objective of the present study was to evaluate the effects of clinical mastitis at the beginning of lactation on reproductive performance of dairy cows in Algeria. Calving to first insemination and calving to conception intervals, number of insemination per conception and conception rate at the ...

Author(s)
Bouamra, M.; Ghozlane, F.; Ghozlane, M. K.
Publisher
Academic Journals, Lagos, Nigeria
Citation
African Journal of Biotechnology, 2017, 16, 2, pp 91-95
AbstractFull Text

The present study aimed to determine the effect of administrating prostaglandin F2α (PGF2α) and GnRH at the time of artificial insemination (AI) on the pregnancy per artificial insemination (P/AI) and the pregnancy survival rate of dairy cows. A number of 830 lactating Holstein cows were randomly...

Author(s)
Mohammadi, A.; Seifi, H. A.; Farzaneh, N.
Publisher
Urmia University, Faculty of Veterinary Medicine, Urmia, Iran
Citation
Veterinary Research Forum, 2019, 10, 2, pp 153-158
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 aim of this study was to test the efficiency of progesterone supplementation post insemination (p.i.) in the fertility of dairy cows under commercial farm conditions. At initiation of the study, 405 cows from three farms-irrespective of their open days- were bred after natural or synchronized...

Author(s)
Brozos, C. N.; Tsousis, G.; Kiossis, E.; Tsakmakidis, I.; Karagiannis, I.; Boscos, C.
Publisher
Hellenic Veterinary Medical Society, Athens, Greece
Citation
Journal of the Hellenic Veterinary Medical Society, 2018, 69, 4, pp 1235-1240
Abstract

In order to improve the detection rate of returning estrous cows via pedometer, the effects of season, parity and time of returning estrus on activity of breeding cows were investigated. The returning estrus situation and activity change of 214 multiparous cows after artificial insemination were...

Author(s)
Liu JiangJing; Chen XiaOli; Tian HongZhi; Lu YongQiang; Wang Dong
Publisher
Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
Citation
Acta Veterinaria et Zootechnica Sinica, 2019, 50, 7, pp 1405-1411
Abstract

The embryo production results after use of sex-sorted sperm to inseminate superovulated cows (SOV) have not been very encouraging so far, due to the low quantity of sperms used as well as their short half-life. In a previous study conducted in Brazil in Holstein cows, it was shown that using the...

Author(s)
Argudo, D. E.; Soria, C. A.; Durán, J. C.; Bravo, S. E.; Alvarado, J. P.; Alberio, R. H.
Publisher
Veterinaria Organizacion S.L., Malaga, Spain
Citation
REDVET, 2018, 19, 4, pp 041811
Abstract

Between the years 2013 and 2016 were used 31 crossbred cows of Gir and Dutch races, at different stages of gestation, multipara aged 4 and 8 years and body condition score (BCS) average 3 on a scale that ranged from 1 to 5 (1 very lean and 5 very fat) of the Federal Rural University of milk cattle...

Author(s)
Andrade, R. B. de; Silva, V. C. F. da; Silva, A. F. da; Caldas, S. A.; Costa, O. M. da; Abidu-Figueiredo, M.; Palhano, H. B.
Publisher
Sociedade de Medicina Veterinária do Estado do Rio de Janeiro, Rio de Janerio, Brazil
Citation
Brazilian Journal of Veterinary Medicine, 2017, 39, 1, pp 7-19
AbstractFull Text

The effects parity, herd production level, number of cows per herd, insemination season and lactation stage on the relationships between daily milk and first insemination success of 55 685 cows were examined. The statistical analysis was performed using the χ2 test and the decision tree technique....

Author(s)
Siatka, K.; Sawa, A.; Piwczyński, D.; Bogucki, M.; Krężel-Czopek, S.
Publisher
Polish Academy of Sciences, Institute of Genetics and Animal Breeding, Jastrzebiec, Poland
Citation
Animal Science Papers and Reports, 2018, 36, 3, pp 275-285
AbstractFull Text

Pregnancy rates (PR) resulting from timed artificial insemination (TAI) with frozen semen were investigated in 192 Sokoto Gudali (SG) cattle following estrus synchronization under 11- and 12-day treatment intervals with prostaglandin F2 alpha (Estrumate®). Two-point inseminations at 60 h and 72 h...

Author(s)
Olufisayo, L. O.; Lukman, M.; Chinyere, A. L.; Ezenwanyi, I. A.
Publisher
Faculty of Animal Science, Jenderal Soedirman University, Purwokerto, Indonesia
Citation
Journal of Animal Production, 2018, 20, 1, pp 1-6

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