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Animal Science Database

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Abstract

The objective of this study was to determine if there are differences in luteal size (LS), progesterone (P4), and luteal blood flow (LBF) between pregnant and non-pregnant Bos indicus dairy cows during the first three weeks after insemination, and whether these parameters are related to each other. ...

Author(s)
Hassan, M.; Arshad, U.; Bilal, M.; Sattar, A.; Avais, M.; Bollwein, H.; Ahmad, N.
Publisher
Society for Reproduction and Development, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2019, 65, 1, pp 29-36
Abstract

This study evaluated the effect of breed and follicular status of Boer and indigenous goats on response to superovulation and embryo yield. The oestrous cycles were synchronized with progestagen for nine days and superovulated with porcine follicle-stimulating hormone. Does were cervically...

Author(s)
Mpebe, N. A.; Gonzalez-Bulnes, A.; Lehloenya, K. C.
Publisher
Taylor & Francis, Abingdon, UK
Citation
Journal of Applied Animal Research, 2018, 46, 1, pp 141-145
Abstract

This review presents various techniques of definitions optimum time of insemination. We have considered the principle of work, pluses and minuses of such methods as vaginal cytology, definition of concentration of progesterone, use the Dog detector ovulation, ultrasonography of ovaries, vaginal...

Author(s)
Plemyshov, K. V.; Plakhova, A. I.
Publisher
Sankt-Peterburgskaya gosudarstvennaya akademiya veterinarnoy meditsiny, St Petersburg, Russia
Citation
Mezhdunarodnyy vestnik veterinarii, 2018, No.2, pp 106-112
AbstractFull Text

The estrous cycle or interovulatory interval in the mare allows monitoring and selection of the most appropriate time for copulation or artificial insemination (AI). Estrous cycle is an interaction of hormones of the pineal gland, hypothalamus, pituitary, gonad and endometrium lasting 21 days. The...

Author(s)
Cortés-Vidauri, Z.; Aréchiga-Flores, C.; Rincón-Delgado, M.; Rochín-Berumen, F.; Carlos, M. L.; Flores-Flores, G.
Publisher
Sergio Martínez González, Tepic, Mexico
Citation
Abanico Veterinario, 2018, 8, 3, pp 14-41
Abstract

Twelve lactating crossbred cows with ovarian follicular cysts were divided into two groups. Six cattle from Group I were administered with GnRH analogue (20 µg Buserelin) on day 0, PGF (500 µg Cloprostenol) on day 15 and second GnRH (20 µg Buserelin) on day 17 and fixed time artificial ...

Author(s)
Hemalatha, H.; Murugavel, K.; Kantharaj, S.; Antoine, D.; Raju, M. S.
Publisher
Indian Veterinary Association, Chennai, India
Citation
Indian Veterinary Journal, 2018, 95, 12, pp 23-25
AbstractFull Text

The impact of real-time ultrasound on the study of bovine reproduction has been dramatic and further development of portable ultrasound machines has given clinicians an added tool for diagnostic reproductive management. Ultrasonography with 3.0-7.5 MHz frequency linear probes is commonly used and...

Author(s)
Suthar, V. S.; Momin, T.; Mahesh, P.; Kelawala, D. N.; Patil, D. B.
Publisher
Intas Pharmaceuticals Ltd, Ahmedabad, India
Citation
Intas Polivet, 2018, 19, 1, pp 22-28
Abstract

North American reindeer (Rangifer tarandus tarandus) are seasonally polyestrus short-day breeders. Seasonal ovarian activity begins in late August with an estrous cycle length of 24±3.4 days. Estrous synchronization protocols have been published and are similar to protocols in sheep and goats. ...

Author(s)
Bott, N. I.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Proceedings of the Fifty-First Annual Conference of the American Association of Bovine Practitioners, Phoenix, Arizona, USA, September 13-15, 2018, 2018, pp 188-191
AbstractFull Text

The goal of this study is to estimate the effects of low-level laser irradiation (LLLI) on the superovulatory response according to the number of corpora lutea (CL), follicles (F) and the embryo yield. In recent years, while searching for new, more efficient and organic methods to improve...

Author(s)
Palubinskas, G.; Žilaitis, V.; Antanaitis, R.
Publisher
Polish Academy of Sciences, Committee of Veterinary Sciences, Olsztyn-Kortowo II, Poland
Citation
Polish Journal of Veterinary Sciences, 2017, 20, 2, pp 307-312
Abstract

The main problem restricting the wide use of reproductive biotechnology in animal husbandry is insufficiently developed methods for selection of donor cows for embryo transfer. The objective reason is the variability of the ovarian response to gonadotropins injections. Until now, there is no...

Author(s)
Brigida, A. V.; Sorokin, V. I.; Kovalchuk, S. N.; Pantiukh, K. S.; Rukin, I. V.; Rozhin, K. A.
Publisher
Agricultural Biology Editorial Office, NPO, Moscow, Russia
Citation
Sel'skokhozyaĭstvennaya Biologiya, 2018, 53, 4, pp 753-761
Abstract

Recent studies have shown significant associations between prepartum energy status and postpartum fertility in dairy cows; therefore, the assessment of energy status by blood metabolites and metabolic hormones and suitable improvement of management during the prepartum period may enhance...

Author(s)
Kawashima, C.; Karaki, C.; Munakata, M.; Matsui, M.; Shimizu, T.; Miyamoto, A.; Kida, K.
Publisher
Wiley-Blackwell, Melbourne, Australia
Citation
Animal Science Journal, 2016, 87, 10, pp 1218-1224

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