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PEŠAN, V. -- HOŠEK, M. -- FILIPČÍK, R. -- REČKOVÁ, Z. -- MÁCHAL, L. -- SOUŠKOVÁ, K. Range of pregnancy length in Zwartbles sheep. In Animal Breeding 2020. Brno: Mendelova univerzita v Brně, 2020, p. 62--70. ISBN 978-80-7509-705-7.

Original name:
Range of pregnancy length in Zwartbles sheep
Czech name:
Written by (author):
Department: Department of Animal Breeding
Kind of publication:
article in proceedings
Collection:
Animal Breeding 2020
Nature of article:
paper
Part number:
Starting page:
62
Up to page:
70
Number of pages: 9
UT code by Web of Science:
EID code by Scopus:
Original language:
English
Description in original language:
Easier breeding and shortening of the lambing period is mainly achieved with the use of insemination with the preceding oestrus cycle synchronization. With these biotechnical methods we are thus able to estimate the time span of lambing. However, another topic closely tied to this issue is the length of pregnancy, which can depend on the breed, the age of the individual animal, the number of foetuses, etc. Higher accuracy in the pregnancy length estimation might again lead to easier breeding and higher quality reproduction. In this research were observed thirty five Zwartbles ewes (from 2017 to 2019), first synchronized using tough intravaginal sponges Chronogest, Ovigest and CIDR (Controlled internal drug release). Afterwards, the ewes were inseminated with fresh, diluted and chilled semen taken from four ram lineages. Due to writing down the exact time of insemination and, subsequently, the exact time of lambing in each individual animal, it was possible to evaluate and compare the pregnancy lengths in individual animals. The total pregnancy rate after insemination was 50.0 % in 2017 and 64.7 % in 2018. The pregnancy length ranged between 142 and 148 days, and most of the animals lambed down between the 143rd and 146th day of pregnancy.
Description in English:
Description in Czech:
Year of submission:
2020
Year of transmission:
RIV identification number:
 
Entry made by: Markéta Hejčová, DiS.
Last change:
04/30/2020 07:55 (Markéta Hejčová, DiS.)

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Source specification:

Animal Breeding 2020. Brno: Mendelova univerzita v Brně, 2020. ISBN 978-80-7509-705-7.

Original name:
Animal Breeding 2020
English name:
Czech name:
Editor:
Kind of publication:
conference proceedings
ISBN:
978-80-7509-705-7
Publisher:
Mendelova univerzita v Brně
Place of publishing:
Brno
Form of publication:
electronic version (memory medium)
Issue and volume number:
Year of publication:
2020
Issue number:
Number of pages:
Entry:
Animal Breeding 2020
Original language:
Description in original language:
Description in English:
Description in Czech:
 
Entry made by: Markéta Hejčová, DiS.
Last change:
04/29/2020 14:55 (Markéta Hejčová, DiS.)

Evaluation of publication:

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Source specification:

Animal Breeding 2020. 2020, Brno.

Original name:
Animal Breeding 2020
English name:
Czech name:
Promoter:
Kind of publication: holding a conference
Venue:
Brno
Organizer:
Country:
Time scope of event:
nationwide event
Conference type:
Abbreviation:
Order number:
Starting date :
End of study:
Held in year :
2020
Total number of participants:
Original language:
Description in original language:
Description in English:
Description in Czech:
Year of transmission:
RIV identification number:
 
Entry made by: Markéta Hejčová, DiS.
Last change: 04/29/2020 14:55 (Markéta Hejčová, DiS.)

Evaluation of publication:

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5
        
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bad
 
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