Fertility of sows after intracervical or intrauterine insemination with different spermatozoa number in reduced volume doses
2010
Stancic, B., University of Novi Sad, Novi Sad (Serbia). Faculty of Agriculture | Radovic, I., University of Novi Sad, Novi Sad (Serbia). Faculty of Agriculture | Stancic, I., High School of Agronomy, Sabac (Serbia) | Dragin, S., University of Novi Sad, Novi Sad (Serbia). Faculty of Agriculture | Bozic, A., University of Novi Sad, Novi Sad (Serbia). Faculty of Agriculture | Gvozdic, D., University of Belgrade, Belgrade (Serbia). Faculty of Veterinary Medicine
In this trial we studied the effect of insemination with reduced volumes of semen (50 mL) and varied spermatozoa count (4, 2 or 1 x 10**9). Insemination was performed by the classical (intracervical) or by the new (intrauterine) techniques and the basic fertility parameters (farrowing % and litter size) were measured. The farrowing value decreased with decreasing spermatozoa numbers after intracervical and intrauterine insemination. However, the farrowing value, regardless of spermatozoa numbers, was significantly higher after intrauterine insemination compared to the classical intracervical insemination. Litter size did not vary significantly depending on the applied insemination procedure or spermatozoa number. The results indicate that application of the new intrauterine insemination procedure enables the use of doses with a smaller volume and spermatozoa number, at the same time obtaining a satisfactory farrowing and litter size.
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