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2014 | 23 | 2 |
Tytuł artykułu

The effect of bale density and addition of formic acid on the in situ dry matter and crude protein degradation of lucerne, red clover and red fescue silages

Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The effect of bale density (low: 122–127 kg dry matter (DM) · m–3 vs high: 189–190 kg DM · m–3) and the addition of formic acid (5 l · t–1) on the in situ DM and crude protein (CP) degradation of wilted lucerne (Medicago sativa L.), red clover (Trifolium pratense L.) and red fescue (Festuca rubra) silages was determined. The effective DM degradability of lucerne, red clover and red fescue silages reached 59.8%, 52.8% and 51.9%, respectively, that of CP, 69.5%, 55.8% and 58.4%, respectively. High bale density decreased (P < 0.05) only DM degradability (53.9% vs 49.5%) and the a-value of red clover silage. The addition of formic acid had no effect on the DM degradability of silages. Bale density and formic acid, and their interaction, exerted the most significant effect on the effective degradation of CP and the content of rapidly degradable fraction a of lucerne silage. The effective degradation of DM and CP of red fescue silage was not affected by the experimental factors.
Słowa kluczowe
EN
Wydawca
-
Rocznik
Tom
23
Numer
2
Opis fizyczny
p.177-184,fig.,ref.
Twórcy
autor
  • Department of Animal Nutrition and Feed Science, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10 -718 Olsztyn, Poland
  • Department of Animal Nutrition and Feed Science, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10 -718 Olsztyn, Poland
autor
  • The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 05-110 Jablonna, Poland
  • Department of Animal Nutrition and Feed Science, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10 -718 Olsztyn, Poland
autor
  • Department of Cattle Breeding and Milk Quality Evaluation, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-718 Olsztyn, Poland
autor
  • Department of Animal Nutrition and Feed Science, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10 -718 Olsztyn, Poland
Bibliografia
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  • Guo X., Zhou H., Yu Z., Zhang Y., 2007. Changes in the distribution of nitrogen and plant enzymatic activity during ensilage of lucerne treated with different additives. Grass Forage Sci. 62, 35–43
  • Haigh P.M., 1995. A note of relationship between oven and toluene determined dry matter concentrations in big-bale grass silages. Irish J. Agr. Food Res. 63, 189–191
  • Han K.J., Collins M., Vanzant E.S., Dougherty C.T., 2006. Characteristics of baled silage made from first and second harvests of wilted and severely wilted forages. Grass Forage Sci. 61, 22–31
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  • Nutritional Biotechnology in the Feed and Food Industries. Nottingham University Press, pp. 423–437
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  • Pursiainen P., Tuori M., 2008. Effect of ensiling field bean, field pea and common vetch in different proportion with whole-crop wheat using formic acid or an inoculant on fermentation characteristics. Grass Forage Sci. 63, 60–78
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  • Ørskov E.R., McDonald I., 1979. The estimation of protein degradability in the rumen from incubation measurements weighed according to rate of passage. J. Agr. Sci. 92, 499–503
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  • SAS, 1995. Release 6.11. SAS Institute INC. Cary, NC
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Typ dokumentu
Bibliografia
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