22
JUN
2023

Methodology for monitoring biochemical changes in Holstein cows with ketosis

V. Marutsova* Department of Internal Diseases, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 29 November 2022; accepted for publication 22 May 2023) Abstract. The purpose of the present study was to establish the biochemical and pa
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30
JUN
2022

Assessment of the impact of the costs of building the floor profile on the technological flexibility of four-row buildings for free-box breeding of cows

V. Dimova* Department of Agrarian Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 18 March 2022; accepted for publication 20 May 2022) Abstract. A total of 20 popular technical and technological schemes of semi-open four-row bui
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30
MAR
2021

Application of P4 rapid test and exogenous source of progesterone in prevention of early embryonic death in dairy cows

G. Bonev* 1Department of Genetics, Breeding and Reproduction, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 24 September 2020; accepted for publication 15 February 2021) Abstract. The objectives of this study were: 1) to determine the perc
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12
MAY
2014

Comparative technical and economic analysis of variants for cleaning and storage of manure on a farm for 108 – 120 dairy 359 cows

V. Dimova, D. Dinev, Y. Popova, Y. Mitev Abstract. The objective of the study is to develop and explain from a theoretical and analytical point of view suitable and economical design solutions for a farm for 108 – 120 dairy cows with different systems of cleaning and storage of
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06
MAY
2014

The effect of pregnancy on milk yield in Bulgarian Murrah buffalo cows

The effect of pregnancy on milk yield in Bulgarian Murrah buffalo cows P. Penchev, Y. Ilieva, Tz. Peeva
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06
MAY
2014

Transient processes of the milking cluster pulsation system depending on pulsation rate

Transient processes of the milking cluster pulsation system depending on pulsation rate B. Banev , B. Bechev
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