Comparative Studies of the Most Important Indicators of Metabolism in New-Calving Cows on Different Farms in Connection With These Retirement Cows From the Herd

Vasileva, S.V.

doi:10.17238/issn2072-6023.2020.4.153

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“…Это иллюстрирует снижение синтетической функции печени у коров, имевших в сухостойный период избыточную массу тела. Действительно, ожиревшие коровы имеют больше метаболических нарушений по сравнению с коровами нормальной упитанности [1,2]. Повышение липомобилизации после отёла приводит к перегрузке гепатоцитов триглицеридами и жирными кислотами, что отрицательно сказывается на метаболических реакциях в печени [3,7,9].…”

Section: результаты и обсуждениеunclassified

“…Помимо этого, в практике ветеринарного врача нередко встречаются случаи проглатывания мелкими домашними животными инородных предметов. Наличие последних в пищеварительном канале часто приводит к обтурациям, взывающим воспаление и некроз его отдельных участков [1,2]. Оценка возможных последствий, указанных выше патологических процессов, а также назначение адекватного лечения крайне затруднительно без четких знаний структурных особенностей кровоснабжения органов пищеварения.…”

Section: Introductionunclassified

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Dynamics of cholesterol fractions in cows during the transit period

Vasileva¹

2021

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This article describes the results of a study of cholesterol metabolism in cows during the transit period. Cows were selected with optimal and increased body fatness during the dry period three weeks before calving. Blood samples were taken twice before calving and twice after calving at regular intervals. In the blood serum, the concentration of cholesterol and its fractions - low-density lipoprotein cholesterol and high-density lipoprotein - was studied, as well as the concentration of β-hydroxybutyric acid on the fifth day after calving. Studies have shown unidirectional dynamics of cholesterol and its fractions during the observation period. Initially, a decrease in all indicators was determined, the minimum values were found during the first week after calving. By the end of the experiment, all cholesterol fractions increased. It was found that in cows with increased body condition during the dry period, the level of LDL cholesterol in the post-calving period was significantly lower by 19.0-25.4% than in cows with optimal body condition. It was also found that in well-fed cows ketogenesis is more active 5 days after calving. Thus, in cows with increased and optimal fatness, the concentration of β- hydroxybutyric acid was 1.63 ± 0.18 and 1.23 ± 0.11 mmol / l, respectively, which may indicate the presence of subclinical ketosis in obese cows.

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Section: результаты и обсуждениеunclassified

Section: Introductionunclassified

Dynamics of cholesterol fractions in cows during the transit period

Vasileva¹

2021

jour

View full text Add to dashboard Cite

show abstract

Comparative Studies of the Most Important Indicators of Metabolism in New-Calving Cows on Different Farms in Connection With These Retirement Cows From the Herd

Cited by 1 publication

References 0 publications

Dynamics of cholesterol fractions in cows during the transit period

Dynamics of cholesterol fractions in cows during the transit period

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