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Statements

Subject Item
n2:RIV%2F00027014%3A_____%2F09%3A%230001038%21RIV10-MZE-00027014
rdf:type
skos:Concept n4:Vysledek
dcterms:description
The objective of the computer simulation was to assess the influence of herd structure on piglet production and some other production traits in a pig nucleus herd. As stated, the culling rate changes the herd structure and the length of staying in a herd. With increasing culling rate the average age of sows decreases, the number of weaned piglets per sow drops, total production of piglets is lower while the cost per piglet until 20 kg of live weight rises. The total profit in a herd per sow per year decreases, the total costs and returns also decrease. The trend of increasing the number of barren days of sows with increasing culling rate is confirmed. With increasing culling rate, sows of low parities become dominant in the herd and a higher percentage of sows is removed before their production peak. The comparison of various culling rates help to define the most suitable herd structure in terms of breeding plans. The objective of the computer simulation was to assess the influence of herd structure on piglet production and some other production traits in a pig nucleus herd. As stated, the culling rate changes the herd structure and the length of staying in a herd. With increasing culling rate the average age of sows decreases, the number of weaned piglets per sow drops, total production of piglets is lower while the cost per piglet until 20 kg of live weight rises. The total profit in a herd per sow per year decreases, the total costs and returns also decrease. The trend of increasing the number of barren days of sows with increasing culling rate is confirmed. With increasing culling rate, sows of low parities become dominant in the herd and a higher percentage of sows is removed before their production peak. The comparison of various culling rates help to define the most suitable herd structure in terms of breeding plans.
dcterms:title
The relationship between culling rate, herd structure and production efficiency in a pig nucleus herd The relationship between culling rate, herd structure and production efficiency in a pig nucleus herd
skos:prefLabel
The relationship between culling rate, herd structure and production efficiency in a pig nucleus herd The relationship between culling rate, herd structure and production efficiency in a pig nucleus herd
skos:notation
RIV/00027014:_____/09:#0001038!RIV10-MZE-00027014
n6:aktivita
n7:Z
n6:aktivity
Z(MZE0002701404)
n6:cisloPeriodika
8
n6:dodaniDat
n16:2010
n6:domaciTvurceVysledku
n15:3774910
n6:druhVysledku
n17:J
n6:duvernostUdaju
n8:S
n6:entitaPredkladatele
n12:predkladatel
n6:idSjednocenehoVysledku
338775
n6:idVysledku
RIV/00027014:_____/09:#0001038
n6:jazykVysledku
n13:eng
n6:klicovaSlova
pig; computer simulation; culling rate; herd structure; costs; profitability
n6:klicoveSlovo
n10:culling%20rate n10:pig n10:costs n10:computer%20simulation n10:profitability n10:herd%20structure
n6:kodStatuVydavatele
CZ - Česká republika
n6:kontrolniKodProRIV
[0483FEE9AE49]
n6:nazevZdroje
Czech Journal of Animal Science
n6:obor
n11:GI
n6:pocetDomacichTvurcuVysledku
1
n6:pocetTvurcuVysledku
1
n6:rokUplatneniVysledku
n16:2009
n6:svazekPeriodika
54
n6:tvurceVysledku
Houška, Lubor
n6:wos
000269390200004
n6:zamer
n14:MZE0002701404
s:issn
1212-1819
s:numberOfPages
11