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Statements

Subject Item
n2:RIV%2F60076658%3A12220%2F10%3A00012530%21RIV11-MSM-12220___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
The productive and reproductive performance of dairy cows was examined on thirty-four-low-input farms in the Šumava Mts. between 2000 and 2007. Milk production increased by an average of 986 kg and 948 kg per lactation by Holstein and by Czech Fleckvieh cows, respectively (P < 0.001), while the mean number of lactations decreased from 2.7 to 2.5 in Holstein and from 3.4. to 3.0 in Czech Fleckvieh cows (P < 0.001) in the same period. The mean number of lactations decreased also in the culled cows - from 3.2 to 2.9 by Holstein and from 4.3 to 3.5 by Czech Fleckvieh cows (P < 0.001). A higher cow milk yield was accompanied by a deterioration in reproductive performance. Between the periods 2000-2003 and 2004-2007 the number of days open lengthened by an average of 6 and 4 days (P< 0.01) and the calving period by an average of 11 and 6 days (P < 0.001) in Holstein and Czech Fleckvieh cows respectively. The results indicated an increased replacement of cows in the herds examined as a coincid The productive and reproductive performance of dairy cows was examined on thirty-four-low-input farms in the Šumava Mts. between 2000 and 2007. Milk production increased by an average of 986 kg and 948 kg per lactation by Holstein and by Czech Fleckvieh cows, respectively (P < 0.001), while the mean number of lactations decreased from 2.7 to 2.5 in Holstein and from 3.4. to 3.0 in Czech Fleckvieh cows (P < 0.001) in the same period. The mean number of lactations decreased also in the culled cows - from 3.2 to 2.9 by Holstein and from 4.3 to 3.5 by Czech Fleckvieh cows (P < 0.001). A higher cow milk yield was accompanied by a deterioration in reproductive performance. Between the periods 2000-2003 and 2004-2007 the number of days open lengthened by an average of 6 and 4 days (P< 0.01) and the calving period by an average of 11 and 6 days (P < 0.001) in Holstein and Czech Fleckvieh cows respectively. The results indicated an increased replacement of cows in the herds examined as a coincid
dcterms:title
Analysis of longterm trends in the performance of dairy cows on low-input mountain farms. Analysis of longterm trends in the performance of dairy cows on low-input mountain farms.
skos:prefLabel
Analysis of longterm trends in the performance of dairy cows on low-input mountain farms. Analysis of longterm trends in the performance of dairy cows on low-input mountain farms.
skos:notation
RIV/60076658:12220/10:00012530!RIV11-MSM-12220___
n4:aktivita
n7:Z n7:P
n4:aktivity
P(QH81280), Z(MSM6007665806)
n4:cisloPeriodika
1
n4:dodaniDat
n9:2011
n4:domaciTvurceVysledku
n14:5131383 n14:2535696 n14:6044956
n4:druhVysledku
n12:J
n4:duvernostUdaju
n10:S
n4:entitaPredkladatele
n17:predkladatel
n4:idSjednocenehoVysledku
246422
n4:idVysledku
RIV/60076658:12220/10:00012530
n4:jazykVysledku
n15:eng
n4:klicovaSlova
Holstein; Czech Fleckvieh; low-input farm; milk performance; reproductive performance
n4:klicoveSlovo
n11:Czech%20Fleckvieh n11:reproductive%20performance n11:low-input%20farm n11:Holstein n11:milk%20performance
n4:kodStatuVydavatele
CZ - Česká republika
n4:kontrolniKodProRIV
[70A422480E85]
n4:nazevZdroje
Journal of Agrobiology
n4:obor
n19:GG
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
3
n4:projekt
n5:QH81280
n4:rokUplatneniVysledku
n9:2010
n4:svazekPeriodika
27
n4:tvurceVysledku
Frelich, Jan Kobes, Milan Šlachta, Martin
n4:zamer
n13:MSM6007665806
s:issn
1803-4403
s:numberOfPages
6
n8:organizacniJednotka
12220