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AbstractFull Text

There are at least several ways of detecting bovine ovaries, which vary in accuracy, effort and cost associated with the implementation and operation of equipment designed for this purpose. Heat in cows can be most easily detected by systematic, thorough observation of individuals in the herd....

Author(s)
Jaśkowski, J. M.; Kmiecik, J.; Kierbić, A.; Herudzińska, M.; Woźna-Wysocka, M.
Publisher
Polskie Towarzystwo Nauk Weterynaryjnych, Lublin, Poland
Citation
Medycyna Weterynaryjna, 2018, 74, 7, pp 434-440
AbstractFull Text

The aim of the study was to analyze the effectiveness of embryo collection depending on where semen in superovulation cow-donors in heat is deposited. Research was carried out on 44 embryo donors, including 26 heifers and 18 cows of the Polish Holstein-Friesian breed. Manipulations were carried out ...

Author(s)
Żychlińska-Buczek, J.; Jaśkowski, J. M.; Gil, Z.; Heród, Z.
Publisher
Polskie Towarzystwo Nauk Weterynaryjnych, Lublin, Poland
Citation
Medycyna Weterynaryjna, 2016, 72, 9, pp 587-589
Abstract

Summer subfertility in cows is connected with their exposure to evaluated ambient temperatures of a subtropical and tropical climate. However, it is more often observed in different climatic zones, especially in high-producing cows. Heat stress, lower appetite and dry matter intake increase a...

Author(s)
Jaśkowski, J. M.; Olechnowicz, J.; Urbaniak, K.
Publisher
Polskiego Towarzystwa Nauk Weterynaryjnych, Lublin, Poland
Citation
Medycyna Weterynaryjna, 2005, 61, 12, pp 1323-1327
Abstract

Superovulation is a planned production of a number of ova from one dam at the same ovulation period and is an essential part in embryo transfer. This article describes methods of collection of fertilized ova from superovulated donor females, either prepubertal and pubertal gilts or sows. Females...

Author(s)
Antosik, P.; Urbaniak, K.; Jaśkowski, J. M.
Publisher
Krajowa Izba Lekarsko Weterynaryjna, Warszawa, Poland
Citation
Życie Weterynaryjne, 2004, 79, 6, pp 315-316
Abstract

The efficacy of superovulatory results in donor cows receiving prostaglandin at different times after FSH injection was studied. The investigations were carried out on 58 multiparous cows of the Limousin breed. The cows were divided into 2 equal groups. The start of superovulation was on the 10th...

Author(s)
Jaśkowski, J. M.; Zbylut, J.
Citation
Medycyna Weterynaryjna, 2000, 56, 9, pp 576-578