"voluntary dry matter intake; feeding value; housing system"@en . "P(QH81280)" . "RIV/49608851:_____/12:#0000564" . . . "L\u00E1tal, Old\u0159ich" . . "The aim of this article was assessment of voluntary dry matter intake (VDMI) of silages made from the grasslands with different intensities of utilization. During 2008 \u2013 2011 two types of heifers housing systems were compared. Grasslands were managed in this way: A \u2013 four cuts per year, fertilization N90P30K60; B \u2013 three cuts per year, fertilization N90P30K60); C \u2013 two cuts per year, fertilization N90P30K60 and D \u2013 two cuts per year, nil fertilization. The experiment was conducted on 2x6 heifers (from the sucker cows rearing system) using two types of housing: loose box housing and tie-stall housing. VDMI was influenced by intensity of utilization and housing system, as well. Value of VDMI (P < 0.01) was higher in A (21.29 g.kg-1 BW, SE = 0.144) and B (19.79 g.kg-1 BW, SE = 0.114) than in C (17.63 g.kg-1 BW, SE = 0.123) and D (16.38 g.kg-1 BW, SE = 0.132). Value of VDMI (P < 0.05) was higher for loose-box housing system (19.17 g.kg-1 BW, SE = 0.129) than tie-stall housing system (18.38 g.kg-1 BW, SE = 0.118). By decreasing intensity of grassland management it was observed the decrease of NEL concentration (from 5.7 to 4.9 MJ.kg-1 DM), crude protein concentration (from 145.5 to 107.3 g.kg-1 DM) and organic mater digestibility (from 71.0 to 63.7 %). On the other hand (from A to D) the value of NDF content rose from 435.4 to 571.1 g.kg-1 DM, the CF content rose from 245.0 to 308.4 g.kg-1 DM and dry matter yield content rose from 5.86 to 6.85 t.ha-1. There was a negative correlation between VDMI and the NDF (P < 0.05), as well as the positive correlation between VDMI and NEL (P < 0.05). Pozd\u00ED\u0161ek, J. - L\u00E1tal, O. (2012): Dobrovoln\u00FD p\u0159\u00EDjem p\u00EDce z trval\u00FDch travn\u00EDch porost\u016F s r\u016Fznou intenzitou obhospoda\u0159ov\u00E1n\u00ED. In: Kohoutek, A. - Pozd\u00ED\u0161ek, J. (eds.): Trvale udr\u017Eiteln\u00E9 syst\u00E9my obhospoda\u0159ov\u00E1n\u00ED travn\u00EDch porost\u016F v \u010Cesk\u00E9 republice a jejich perspektiva. Rapot\u00EDn, 8. listopadu 2012, V\u00DARV, v.v.i., Praha 6 \u2013 Ruzyn\u011B, pp. 72 - 87. ISBN 978-80-7427-116-8"@en . . "131815" . "C\u00EDlem p\u0159\u00EDsp\u011Bvku bylo posouzen\u00ED dobrovoln\u00E9ho p\u0159\u00EDjmu su\u0161iny (DPS) sil\u00E1\u017E\u00ED vyroben\u00FDch z trval\u00FDch travn\u00EDch porost\u016F vyu\u017E\u00EDvan\u00FDch p\u0159i r\u016Fzn\u00FDch intenzit\u00E1ch obhospoda\u0159ov\u00E1n\u00ED. V letech 2008 \u2013 2011 byly tak\u00E9 porovn\u00E1ny dva typy ust\u00E1jen\u00ED u jalovic. Porosty byly obhospoda\u0159ov\u00E1ny n\u00E1sleduj\u00EDc\u00EDm zp\u016Fsobem: A \u2013 \u010Dty\u0159i se\u010De za rok, N90P30K60; B \u2013 t\u0159i se\u010De za rok, N90P30K60; C \u2013 dv\u011B se\u010De za rok, N90P30K60 a D \u2013 2 se\u010De za rok, bez hnojen\u00ED. Testov\u00E1n\u00ED p\u0159\u00EDjm\u016F su\u0161iny bylo provedeno na skupin\u011B 2x6 jalovic (z chovu krav bez tr\u017En\u00ED produkce ml\u00E9ka) s u\u017Eit\u00EDm dvou zp\u016Fsob\u016F ust\u00E1jen\u00ED: voln\u00E9 boxov\u00E9 ust\u00E1jen\u00ED a vazn\u00E9 ust\u00E1jen\u00ED. DPS byl ovlivn\u011Bn intenzitou obhospoda\u0159ov\u00E1n\u00ED a typem ust\u00E1jen\u00ED. DPS byl statisticky pr\u016Fkazn\u011B vy\u0161\u0161\u00ED (P < 0,01) u A (21,29 g.kg-1\u017Eiv. hm., SE = 0,144) a B (19,79 g.kg-1\u017Eiv. hm., SE = 0,114) ne\u017E u C (17,63 g.kg-1\u017Eiv. hm., SE = 0,123) a D (16,38 g.kg-1\u017Eiv. hm., SE = 0,132). Byl zji\u0161t\u011Bn pr\u016Fkazn\u011B vy\u0161\u0161\u00ED DPS (P < 0,05) u jalovic ve voln\u00E9m ust\u00E1jen\u00ED (19,17 g.kg-1 \u017E. hm, SE = 0,129) oproti jalovic\u00EDm ust\u00E1jen\u00FDch ve vazn\u00E9m ust\u00E1jen\u00ED (18,38 g.kg-1 \u017E. hm, SE = 0,118). Se sni\u017Euj\u00EDc\u00ED se intenzitou obhospoda\u0159ov\u00E1n\u00ED (od A do D) doch\u00E1zelo k poklesu koncentrace NEL z 5,7 na 4,9 MJ.kg-1 su\u0161iny, N-l\u00E1tek z 145,5 na 107,3 g.kg-1 su\u0161iny a stravitelnosti organick\u00E9 hmoty z 71,0 na 63,7 %. K opa\u010Dn\u00E9 tendenci (od A do D) doch\u00E1zelo u koncentrace hrub\u00E9 vl\u00E1kniny, kter\u00E1 vzrostla z 245,0 na 308,4 g.kg-1 su\u0161iny, NDF z 435,4 na 571,1 g.kg-1 su\u0161iny a tak\u00E9 v\u00FDnosu su\u0161iny z 5,86 na 6,85 t.ha-1. Byla zji\u0161t\u011Bna negativn\u00ED korelace (P < 0,05) mezi DPS a koncentrac\u00ED NDF a tak\u00E9 korelace mezi DPS a NEL (P < 0,05). Pozd\u00ED\u0161ek, J. - L\u00E1tal, O. (2012): Dobrovoln\u00FD p\u0159\u00EDjem p\u00EDce z trval\u00FDch travn\u00EDch porost\u016F s r\u016Fznou intenzitou obhospoda\u0159ov\u00E1n\u00ED. In: Kohoutek, A. - Pozd\u00ED\u0161ek, J. (eds.): Trvale udr\u017Eiteln\u00E9 syst\u00E9my obhospoda\u0159ov\u00E1n\u00ED travn\u00EDch porost\u016F v \u010Cesk\u00E9 republice a jejich perspektiva. Rapot\u00EDn, 8. listopadu 2012, V\u00DARV, v.v.i., Praha 6 \u2013 Ruzyn\u011B, s. 72 - 87. ISBN 978-80-7427-116-8"@cs . "[752A2E28B01F]" . . . . . . "Dobrovoln\u00FD p\u0159\u00EDjem p\u00EDce z trval\u00FDch travn\u00EDch porost\u016F s r\u016Fznou intenzitou obhospoda\u0159ov\u00E1n\u00ED"@cs . "Dobrovoln\u00FD p\u0159\u00EDjem p\u00EDce z trval\u00FDch travn\u00EDch porost\u016F s r\u016Fznou intenzitou obhospoda\u0159ov\u00E1n\u00ED" . "2"^^ . "C\u00EDlem p\u0159\u00EDsp\u011Bvku bylo posouzen\u00ED dobrovoln\u00E9ho p\u0159\u00EDjmu su\u0161iny (DPS) sil\u00E1\u017E\u00ED vyroben\u00FDch z trval\u00FDch travn\u00EDch porost\u016F vyu\u017E\u00EDvan\u00FDch p\u0159i r\u016Fzn\u00FDch intenzit\u00E1ch obhospoda\u0159ov\u00E1n\u00ED. V letech 2008 \u2013 2011 byly tak\u00E9 porovn\u00E1ny dva typy ust\u00E1jen\u00ED u jalovic. Porosty byly obhospoda\u0159ov\u00E1ny n\u00E1sleduj\u00EDc\u00EDm zp\u016Fsobem: A \u2013 \u010Dty\u0159i se\u010De za rok, N90P30K60; B \u2013 t\u0159i se\u010De za rok, N90P30K60; C \u2013 dv\u011B se\u010De za rok, N90P30K60 a D \u2013 2 se\u010De za rok, bez hnojen\u00ED. Testov\u00E1n\u00ED p\u0159\u00EDjm\u016F su\u0161iny bylo provedeno na skupin\u011B 2x6 jalovic (z chovu krav bez tr\u017En\u00ED produkce ml\u00E9ka) s u\u017Eit\u00EDm dvou zp\u016Fsob\u016F ust\u00E1jen\u00ED: voln\u00E9 boxov\u00E9 ust\u00E1jen\u00ED a vazn\u00E9 ust\u00E1jen\u00ED. DPS byl ovlivn\u011Bn intenzitou obhospoda\u0159ov\u00E1n\u00ED a typem ust\u00E1jen\u00ED. DPS byl statisticky pr\u016Fkazn\u011B vy\u0161\u0161\u00ED (P < 0,01) u A (21,29 g.kg-1\u017Eiv. hm., SE = 0,144) a B (19,79 g.kg-1\u017Eiv. hm., SE = 0,114) ne\u017E u C (17,63 g.kg-1\u017Eiv. hm., SE = 0,123) a D (16,38 g.kg-1\u017Eiv. hm., SE = 0,132). Byl zji\u0161t\u011Bn pr\u016Fkazn\u011B vy\u0161\u0161\u00ED DPS (P < 0,05) u jalovic ve voln\u00E9m ust\u00E1jen\u00ED (19,17 g.kg-1 \u017E. hm, SE = 0,129) oproti jalovic\u00EDm ust\u00E1jen\u00FDch ve vazn\u00E9m ust\u00E1jen\u00ED (18,38 g.kg-1 \u017E. hm, SE = 0,118). Se sni\u017Euj\u00EDc\u00ED se intenzitou obhospoda\u0159ov\u00E1n\u00ED (od A do D) doch\u00E1zelo k poklesu koncentrace NEL z 5,7 na 4,9 MJ.kg-1 su\u0161iny, N-l\u00E1tek z 145,5 na 107,3 g.kg-1 su\u0161iny a stravitelnosti organick\u00E9 hmoty z 71,0 na 63,7 %. K opa\u010Dn\u00E9 tendenci (od A do D) doch\u00E1zelo u koncentrace hrub\u00E9 vl\u00E1kniny, kter\u00E1 vzrostla z 245,0 na 308,4 g.kg-1 su\u0161iny, NDF z 435,4 na 571,1 g.kg-1 su\u0161iny a tak\u00E9 v\u00FDnosu su\u0161iny z 5,86 na 6,85 t.ha-1. Byla zji\u0161t\u011Bna negativn\u00ED korelace (P < 0,05) mezi DPS a koncentrac\u00ED NDF a tak\u00E9 korelace mezi DPS a NEL (P < 0,05). Pozd\u00ED\u0161ek, J. - L\u00E1tal, O. (2012): Dobrovoln\u00FD p\u0159\u00EDjem p\u00EDce z trval\u00FDch travn\u00EDch porost\u016F s r\u016Fznou intenzitou obhospoda\u0159ov\u00E1n\u00ED. In: Kohoutek, A. - Pozd\u00ED\u0161ek, J. (eds.): Trvale udr\u017Eiteln\u00E9 syst\u00E9my obhospoda\u0159ov\u00E1n\u00ED travn\u00EDch porost\u016F v \u010Cesk\u00E9 republice a jejich perspektiva. Rapot\u00EDn, 8. listopadu 2012, V\u00DARV, v.v.i., Praha 6 \u2013 Ruzyn\u011B, s. 72 - 87. ISBN 978-80-7427-116-8" . . "Voluntary dry matter intake of forages made from grasslands with different intensity of utilization"@en . "2"^^ . "Pozd\u00ED\u0161ek, Jan" . . . . . "Dobrovoln\u00FD p\u0159\u00EDjem p\u00EDce z trval\u00FDch travn\u00EDch porost\u016F s r\u016Fznou intenzitou obhospoda\u0159ov\u00E1n\u00ED"@cs . . "RIV/49608851:_____/12:#0000564!RIV13-MZE-49608851" . "Dobrovoln\u00FD p\u0159\u00EDjem p\u00EDce z trval\u00FDch travn\u00EDch porost\u016F s r\u016Fznou intenzitou obhospoda\u0159ov\u00E1n\u00ED" . "Voluntary dry matter intake of forages made from grasslands with different intensity of utilization"@en . . .