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Efficiency of vitamin E in the lactating cows diet for obtaining high-quality vitaminized milk

100%

Zozula J., Iwonow I.

Pasze Przemysłowe

2016

tom 25

nr 1

Estimation of substrate-energetic fluxes in lactating cows

72%

Cherepanov G. G., Agaphonov V. I.

Journal of Animal and Feed Sciences

2010

tom 19

nr 1

13-23

In this article an algorithm estimating the basic metabolic fluxes in lactating cows is described that uses data of substrates absorption, heat production, respiratory quotient and milk productivity. The flux diagram permits to estimate parameters which are very difficult to measure in physiological experiments, including rates of oxidation of substrates to CO2 and their interconversions (synthesis of long-chain fatty acids from acetate, gluconeogenesis from amino acids, etc.). The developed model was verified in an experiment carried out on two groups of lactating cows with measurements of energy balance, heat production and respiratory quotient (СО2 /О2) during the periods of 40-45, 60-65 and 90-95 days of lactation. The estimates of oxidation rates obtained for amino acids, glucose, long chain fatty acids and acetate do agree with literature data. The analysis of combined data revealed a negative correlation between oxidation rates of glucose and acetate (r=0.91) and between substrate groups (long chain fatty acids + butyrate) and (glucose + acetate) (r=0.75).

Effect of supplementing dairy cows with live yeasts cells and dried brewer’s yeasts on milk chemical composition, somatic cell count and blood biochemical indices

72%

Kuczaj M., Pres J., Zachwieja A., Twardon J., Orda J., Dobicki A.

Electronic Journal of Polish Agricultural Universities. Series Veterinary Medicine

2014

tom 17

nr 3

The diagnostic value of physiological blood traits tested in the lactating cows

58%

Animal Science. Scientific Papers of Agricultural University of Poznan

2003

tom 05

Ograniczanie wyników

1 Animal Science. Scientific Papers of Agricultural University of Poznan

1 Electronic Journal of Polish Agricultural Universities. Series Veterinary Medicine

1 Journal of Animal and Feed Sciences

1 Pasze Przemysłowe

1 Agaphonov V. I.

1 Cherepanov G. G.

1 Dobicki A.

1 Iwonow I.

1 Kuczaj M.

1 Orda J.

1 Pres J.

1 Twardon J.

1 Zachwieja A.

1 Zozula J.

1 2016

1 2014

1 2010

1 2003

Wyniki wyszukiwania

Efficiency of vitamin E in the lactating cows diet for obtaining high-quality vitaminized milk

Estimation of substrate-energetic fluxes in lactating cows

Effect of supplementing dairy cows with live yeasts cells and dried brewer’s yeasts on milk chemical composition, somatic cell count and blood biochemical indices

The diagnostic value of physiological blood traits tested in the lactating cows