[PDF][PDF] Economic aspect of breeding Karakachan sheep in the lowlands.

S Slavova, G Staykova - 2021 - researchgate.net
The purpose of this study was to establish the economic results of raising Karakachan sheep
in the lowlands of the country. Two sheep farms in the area of Sliven and Burgas were object …

[PDF][PDF] Economic efficiency of rearing Karakachan sheep in the mountain regions of Bulgaria

S Slavova, S Laleva, Y Popova… - Bulgarian Journal of …, 2021 - researchgate.net
The purpose of the study is to make an economic assessment of rearing Karakachan sheep
in the mountain regions of Bulgaria. Subject of research is a model of a farm with 300 …

[PDF][PDF] Behavior and corticosterone levels in five new autosexing hen hybrids for egg laying.

K Kalyasheva, N Bozakova, M Oblakova - 2021 - researchgate.net
Highly productive autosexing hybrids by feather color that are stress-resistant in organic
production are being sought worldwide. The aim of the present study was to determine the …

плодовитостта на овце от породите Старопланински и Родопски цигай.

Ц Банчева, Ц Оджакова, С Стойчева… - Journal of Mountain …, 2022 - search.ebscohost.com
The aim of the study was to make a comparative analysis of the fertility of sheep from the
Staroplaninski Tsigai and Rhodope Tsigai breeds. The study was conducted with 157 ewes …

A comparative study of the fertility of Staroplaninski Tsigai and Rhodope Tsigai sheep breeds.

T Bancheva, T Odzhakova, S Stoicheva, T Ivanova… - 2022 - cabidigitallibrary.org
The aim of the study was to make a comparative analysis of the fertility of sheep from the
Staroplaninski Tsigai and Rhodope Tsigai breeds. The study was conducted with 157 ewes …

[PDF][PDF] Opportunities for intensification of the reproductive process in ewes of the Ile de France breed.

N Dimova, S Laleva, P Slavova, N Ivanov, Y Popova… - 2021 - keypublishing.org
Fertility is a major factor influencing the efficiency of sheep farming. The intensification of the
breeding process is an opportunity to increasing the number of lambs per ewe and year, as …