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Voluntary intake, digestibility and nitrogen utilization by sheep fed ensiled grass clover mixture harvested at three stages of maturity

Marina Vranić ; Faculty of Agriculture, University of Zagreb, Zagreb, Croatia
Mladen Knežević
Krešimir Bošnjak
Goran Perčulija
Hrvoje Kutnjak

Puni tekst: hrvatski, pdf (605 KB) str. 357-369 preuzimanja: 432* citiraj
APA 6th Edition
Vranić, M., Knežević, M., Bošnjak, K., Perčulija, G. i Kutnjak, H. (2008). Utjecaj roka košnje travno-djetelinske smjese na ad libitum konzumaciju, in vivo probavljivost i balans dušika silaže. Mljekarstvo, 58 (4), 357-369. Preuzeto s https://hrcak.srce.hr/30637
MLA 8th Edition
Vranić, Marina, et al. "Utjecaj roka košnje travno-djetelinske smjese na ad libitum konzumaciju, in vivo probavljivost i balans dušika silaže." Mljekarstvo, vol. 58, br. 4, 2008, str. 357-369. https://hrcak.srce.hr/30637. Citirano 16.09.2019.
Chicago 17th Edition
Vranić, Marina, Mladen Knežević, Krešimir Bošnjak, Goran Perčulija i Hrvoje Kutnjak. "Utjecaj roka košnje travno-djetelinske smjese na ad libitum konzumaciju, in vivo probavljivost i balans dušika silaže." Mljekarstvo 58, br. 4 (2008): 357-369. https://hrcak.srce.hr/30637
Harvard
Vranić, M., et al. (2008). 'Utjecaj roka košnje travno-djetelinske smjese na ad libitum konzumaciju, in vivo probavljivost i balans dušika silaže', Mljekarstvo, 58(4), str. 357-369. Preuzeto s: https://hrcak.srce.hr/30637 (Datum pristupa: 16.09.2019.)
Vancouver
Vranić M, Knežević M, Bošnjak K, Perčulija G, Kutnjak H. Utjecaj roka košnje travno-djetelinske smjese na ad libitum konzumaciju, in vivo probavljivost i balans dušika silaže. Mljekarstvo [Internet]. 2008 [pristupljeno 16.09.2019.];58(4):357-369. Dostupno na: https://hrcak.srce.hr/30637
IEEE
M. Vranić, M. Knežević, K. Bošnjak, G. Perčulija i H. Kutnjak, "Utjecaj roka košnje travno-djetelinske smjese na ad libitum konzumaciju, in vivo probavljivost i balans dušika silaže", Mljekarstvo, vol.58, br. 4, str. 357-369, 2008. [Online]. Dostupno na: https://hrcak.srce.hr/30637. [Citirano: 16.09.2019.]

Sažetak
The objective of this experiment was to study the effects of grass maturity at harvest on silage ad libitum intake, in vivo digestibility and N retention in wether sheep. The sward was harvested at the stem elongation, tasseling and flowering growth stages of orchardgrass (Dactylis glomerata). Three silages were offered to four Charolais wether sheep in an incomplete change over design with four periods. As the crop matured, there was an increase (P<0.001) in dry matter (DM), organic matter (OM) and acid detergent fiber (ADF) concentration and a decrease in crude protein (CP) concentration (P<0.001). Increasing maturity of grass ensiled showed a linear decrease (P<0.01) in voluntary silage intake of DM, OM, neutral detergent fiber (NDF), a linear decrease (P<0.01) in digestibility of silage DM, OM, NDF, ADF, CP, and a linear decrease in nitrogen balance (P<0.01). No quadratic response was recorded in silage intake, digestibility or N balance. The results suggest that grass maturity at harvest influences the nutritive value of grass silage, in terms of ad libitum intake, in vivo digestibility and N retention in sheep, as a result of changes in chemical composition.

Ključne riječi
forage production; grass-clover silage; maturity stage; ad libitum intake; N balance

Hrčak ID: 30637

URI
https://hrcak.srce.hr/30637

[hrvatski]

Posjeta: 904 *