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Abstract

Objective: To test the effectiveness of CRESTARND protocol among local cows in Burkina Faso. In particular, the aim is to determine the rate of heat synchronization and gestation for artificial insemination (A.I) in the Cascade Region and to analyze influencing factors in order to propose solutions ...

Author(s)
Blagna, S.; Tellah, M.; Mbaindingatoloum, F. M.; Logtene, Y. M.; Boly, H.
Publisher
Elewa Biosciences F.a.C.T. Ltd, Nairobi, Kenya
Citation
Journal of Applied Biosciences, 2017, 110, pp 10819-10830
Abstract

The principle of ovsynch-timed artificial insemination and the methods and reproductive application of estrus synchronization and ovsynch-timed artificial insemination in dairy cattle were summarized. Accurate and timely estrus detection of dairy cattle in their estrus cycle was the foundation for ...

Author(s)
Zhao MingLi; Zhang Shen; Hao HaiSheng; Zhao XueMing; Du WeiHua; Wang Dong; Zhu HuaBin
Publisher
Guoji Shudian (Institute of Scientific and Technological Information of China, China Publications Centre), Beijing, China
Citation
Chinese Journal of Animal Science, 2015, 51, 17, pp 80-86
Abstract

Causes of low fertility rates of cows (76.2-78.1%) related to viral and bacterial infections, as well as to using of feeds containing mycotoxins, heavy metals and other harmful substances are discussed. It is stated that fertility decreases with the drop in the activity of the endocrine system...

Author(s)
Redkozubova, L.
Publisher
Redaktsiya zhurnala "Zhivotnovodstvo Rossii", Moscow, Russia
Citation
Zhivotnovodstvo Rossii, 2018, No.3, pp 53-54
Abstract

The objective was to determine the efficiency of insemination with sexed semen at spontaneous estrus and synchronisation of ovulation, and the effects of days in milk, insemination number, parity, and daily milk yield on pregnancy rates in lactating Holstein cows. A total 1,000 first to fourth...

Author(s)
Kurykin, J.; Jalakas, M.; Kaart, T.; Jaakma, Ü.
Publisher
Lietuvos Veterinarijos Akademija, Kaunas, Lithuania
Citation
Veterinarija ir Zootechnika, 2017, No.75, pp 30-35
Abstract

The aim of this review is to compare the performance of different reproductive programs using natural service, estrus synchronization treatment before natural service (timed natural breeding (TNB)), artificial insemination (AI) following estrus detection and timed artificial insemination (TAI) in...

Author(s)
Baruselli, P. S.; Ferreira, R. M.; SáFilho, M. F.; Bó, G. A.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2018, 12, s1, pp s45-s52
Abstract

Oestrous synchronization using intravaginal sponge with artificial insemination improved fertility in repeater cow under field condition.

Author(s)
Thangadurai, R.; Venilla, M. A.; Shanmugam, P. S.
Publisher
Indian Veterinary Association, Chennai, India
Citation
Indian Veterinary Journal, 2019, 96, 3, pp 80-81
AbstractFull Text

With the current expansion of sheep farming in Brazil and the need for genetic improvement of livestock, the most beneficial alternative available is artificial insemination (AI), and its adoption was facilitated by concomitant use of synchronization of estrus and ovulation in order to time ...

Author(s)
Soriano, G. A. M.; Ruediger, F. R. de; Castilho, C.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2017, 24, Suppl. 1, pp 189-199
Abstract

The aim of the present study was the evaluation of conception rate in Bos Indicus cows sardo negro race, submitted to synchronization protocol for fixed-time artificial insemination (FTAI). The study was conducted in the municipality of Chinameca Veracruz, Mexico,158 multiparous cows were selected...

Author(s)
Fernández-Figueroa, J. A.; Arieta-Román, R. J.; Tadeo-Cruz, P.; González-Aynés, J. F.; Ramírez-Valencia, O.
Publisher
Veterinaria Organizacion S.L., Malaga, Spain
Citation
REDVET, 2017, 18, 11, pp 111711
AbstractFull Text

Most fixed-time artificial insemination (FTAI) protocols utilize progesterone (P4) as a hormonal source to achieve synchronization of estrus in cattle. The use of an injectable P4 source to control estrus would be an interesting pharmacological strategy owing to the practicality of parenteral...

Author(s)
Campos, J. T.; Morotti, F.; Bergamo, L. Z.; Costa, C. B.; Seneda, M. M.
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2016, 37, 4, pp 1991-1996
Abstract

Information is included on Altrezin based on the synthetic progestogen altrenogest [allyltrenbolone] suppressing development of oestrus allowing synchronization of the oestrous cycle and increase of birth of large-size litters. Investigations were conducted to study the effect of Altrezin on...

Author(s)
Aleksandrov, S. F.
Publisher
Izdatel'ski Dom Svinovodstvo, Moscow, Russia
Citation
Svinovodstvo (Moskva), 2018, No.5, pp 55-56

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