study upon the moment of ovulation in sows to establish the optimum moment for semen inoculation

Clicks: 243
ID: 222489
2012
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Abstract
Efficiency of artificial insemination depends equaly by semen quality and time of inoculation. The optimal time for inoculation was calculated usually from the moment of detection of heat, for double insemination, so that one of the two inoculations to approach the time of ovulation. To increase the efficiency of boars exploitation is necesary to change the method to a single insemination. To ensure normal fertility parameters with only one inoculation it is necessary to chose with great precision the moment of insemination ,in order to ensure the time for sperm capacitation and penetration of viable oocytes. Starting from the fact that major events such as forrowing and death occur, according to the circadian rhythm, in the second half of the night, this study aims to detect from this point of view the moment of ovulation, to find a more reliable calculation for the time of semen inoculation. The experiments were conducted on puberal gilts, which were not treated for induction of ovulation; the control for detecting the follicular dehiscence was done only on physiological oestrus. Females having symptoms at heat control were subject to series of laparatomias, complete with collection and examination of oocytes.
Reference Key
sandu2012scientificstudy Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Mariana Sandu;Ștefan Mantea;Iudith Ipate;Mihaela Kruzslicika;Vergina Chiriţescu
Journal Enzyme and microbial technology
Year 2012
DOI
DOI not found
URL
http://spasb.ro/index.php/spasb/article/view/597
Keywords
artificial insemination oocytes

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