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Abstract

The aim of this study was to compare the effect of two approaches to estrus synchronization. The first approach was the hormonal treatment (PMSG - Sergon) performed 48 hours before artificial insemination. The second approach was the 30 minutes group housing of does (8-10 does) before artificial ...

Author(s)
Fik, M.
Publisher
Slovenská Polnohospodárska Univerzita v Nitre, Nitra, Slovakia
Citation
Acta Fytotechnica et Zootechnica, 2010, 13, 4, pp 92-95
Abstract

Higher fertility rate and milk yields can only be obtained by the employment of rational biotechnical methods of controlled reproduction in sheep that are well adjusted for the particular dairy ewe herd. The economy of breeding is also conditioned by a purposeful control and ensuring of the milking ...

Author(s)
Maraček, I.; Vlčková, R.; Švantner, R.; Hromadová, G.; Halagan, J.
Publisher
Institute for Postgraduate Education of Veterinary Surgeons, Košice, Slovakia
Citation
Slovenský Veterinársky Časopis, 2007, 32, 2, pp 97-102
Abstract

360 cows housed indoors in a tie-barn were examined at >35 days after AI (>70 days post partum). 729 tests were carried out. Ultrasonic diagnosis assisted in reducing the interval between the first and the second postpartum insemination by 12.8 days, and between the second and the third ...

Author(s)
Choma, J.
Publisher
Komora Veterinarnych Lekarov SR, Košice, Slovakia
Citation
Informačný Spracodajca, 2002, 11/12, 6/1, pp 33-36
Abstract

In the Czech Republic in 2001, foaling rate of horse breeds was approximately 50% (50.02 in Czech Warmblood, 51.08 in Arab, 52.83 in Hutsul, 56.44 in Haflinger, 43.37 in Czech Coldblood). For the various age categories it was 57.63% in <5-year-olds, 52.99% in 5- to 10-year olds, and 44.63% in >10-year-olds. It follows that early mating is advantageous....

Author(s)
Kudláč, E.; Doležel, R.; Vinkler, A.
Publisher
Vydáva Výskumný ústav Veterinárnej Medicíny (Research Institute of Veterinary Medicine), Košice, Slovakia
Citation
Slovenský Veterinársky Časopis, 2001, 26, 3, pp 182-183
Abstract

Author(s)
Maraček, I.
Publisher
Komora Veterinarnych Lekarov SR, Košice, Slovakia
Citation
Informačný Spracodajca, 2004, 13, 1, pp 12-22
Abstract

A least-squares analysis of 10 896 reproductive performance records of Slovakian Pied (SP), Holstein and Holstein × SP cows was carried out. The crossbreds comprised groups with 50-96.8% Holstein inheritance. The traits analysed were interval from calving to 1st insemination, interval between ...

Author(s)
Huba, J.; Peškovičová, D.; Chrenek, J.; Kmet, J.
Citation
Živočišná Výroba, 1996, 41, 8, pp 333-338
Abstract

Data were analysed on 290 boars culled over a 7-year period. 43.4% of culled boars had reproductive disturbances, 26.9% had leg defects, and 25.5% were culled for managemental reasons (including 13.3% for old age). The duration of usage of boars in AI was 22.3-33.1 months. The average age at...

Author(s)
Krajňák, P.
Citation
Acta Zootechnica, 1995, 50, pp 61-68
Abstract

Over a 10-year period 1989-1998, the percentage of barren ewes in the Slovak Republic increased from 10.1% to 23.2%, lambing rate decreased from 108.7% to 87.9%, the percentage of weaned lambs decreased from 102.6% to 76.2, and lamb mortality increased from 6.21% to 11.8%. The causes were...

Author(s)
Maračk, I.; Bíreš, J.
Citation
Slovenský Veterinársky Časopis, 1999, 24, 5, pp 225-228
Abstract

12 Merino ewes and 9 Saanen goats were synchronized using the progestogen Agellin, and superovulated with 750 IU (ewes) or 1500 IU (goats) PMSG. Laparoscopic intrauterine insemination was performed 48 h after sponge withdrawal. In ewes, spermatozoa were flushed 12 h after AI: at 32.9 × 106...

Author(s)
Valocký, I.; Schvarc, F.; Kačmárik, J.
Citation
Veterinářství, 1992, 42, 3, pp 93-94
Abstract

Oestrus was synchronized in 10 ewes with an intravaginal chlorsuperlutin (methylene chlormadinone acetate) tampon followed 10 days later with an i.m. injection of PMS and then artificial insemination. Blood samples were taken before and 3, 7, and 14 days after tampon insertion, on the day of ...

Author(s)
Krajničáková, M.; Bekeová, E.; Hendrichovský, V.; Maraček, I.
Publisher
Czech Academy of Agricultural Sciences,
Citation
Veterinární Medicína, 1993, 38, 6, pp 349-357

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