About: Innovation of prediction equations for milk composition estimation in milk recording at alternative sampling and half a day milking interval

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Description	At dairying cost reduction and effort about maintenance of milk recording (MR) range the MR cost decrease is also important. Aim was to revise the older prediction equations for alternative reduced milk sampling (morning -- M or evening -- E) for assurance of MR reliable results at twice milking a day(TMD) with balanced interval 12/12. Individual milk samples (n = 619 animals) were obtained during TMD (M, E and REF; n = 1 857 samples). Fat (F), protein (P), lactose (L) and somatic cell count (SCC)were analysed. Czech Fleckvieh and Holstein breeds were included. The reference values (REF) of day milking were obtained in regular MR (A4P). M and E milking results were related to the REF. Older prediction equations with lower validity because of time and breeding were revised: a) for F from M on REF y = 0.6932x + 1.381, where r = 0.752 and P < 0.001; b) for P from M on REF y = 0.9432x + 0.2274,where r = 0.949 and P < 0.001; c) for L from E on REF y = 0.8145x + 0.9095, where r = 0.87 and P < 0.001;d) for log SCC from E on REF y = 0.8829x + 0.2367, where r = 0.94 and P < 0.001. MR cost reduction is possible using method of alternative sampling including corresponding prediction equations. At dairying cost reduction and effort about maintenance of milk recording (MR) range the MR cost decrease is also important. Aim was to revise the older prediction equations for alternative reduced milk sampling (morning -- M or evening -- E) for assurance of MR reliable results at twice milking a day(TMD) with balanced interval 12/12. Individual milk samples (n = 619 animals) were obtained during TMD (M, E and REF; n = 1 857 samples). Fat (F), protein (P), lactose (L) and somatic cell count (SCC)were analysed. Czech Fleckvieh and Holstein breeds were included. The reference values (REF) of day milking were obtained in regular MR (A4P). M and E milking results were related to the REF. Older prediction equations with lower validity because of time and breeding were revised: a) for F from M on REF y = 0.6932x + 1.381, where r = 0.752 and P < 0.001; b) for P from M on REF y = 0.9432x + 0.2274,where r = 0.949 and P < 0.001; c) for L from E on REF y = 0.8145x + 0.9095, where r = 0.87 and P < 0.001;d) for log SCC from E on REF y = 0.8829x + 0.2367, where r = 0.94 and P < 0.001. MR cost reduction is possible using method of alternative sampling including corresponding prediction equations. (en)
Title	Innovation of prediction equations for milk composition estimation in milk recording at alternative sampling and half a day milking interval Innovation of prediction equations for milk composition estimation in milk recording at alternative sampling and half a day milking interval (en)
skos:prefLabel	Innovation of prediction equations for milk composition estimation in milk recording at alternative sampling and half a day milking interval Innovation of prediction equations for milk composition estimation in milk recording at alternative sampling and half a day milking interval (en)
skos:notation	RIV/62156489:43210/12:00193186!RIV13-MSM-43210___
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(ME09081), Z(MSM2672286101), Z(MSM2678846201), Z(MSM6215648905)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Chládek, Gustav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Mendelova univerzita v Brně / Agronomická fakulta
http://linked.open...dnocenehoVysledku	141918
http://linked.open...ai/riv/idVysledku	RIV/62156489:43210/12:00193186
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	fat; somatic cell count; protein; cow; individual milk sample (en)
http://linked.open.../riv/klicoveSlovo	fat protein individual milk sample cow somatic cell count
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[1768E57AA2B2]
http://linked.open...i/riv/nazevZdroje	Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
http://linked.open...in/vavai/riv/obor	GG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Research and technological support of keeping and breeding of cattle with dual yield, milk and beef, in Anhui province
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	60
http://linked.open...iv/tvurceVysledku	Chládek, Gustav Dufek, Aleš Hanuš, Oto Hering, Pavel Jedelská, Radoslava Roubal, Petr Vyletělová, Marcela Höfer, Jiří
http://linked.open...n/vavai/riv/zamer	Milk – an important part of healthy and safe nutrition Biological and technological aspects of sustainability of controlled ecosystems and their adaptability to climate change Uplatnění evropského modelu multifunkčního zemědělství v LFA oblastech České republiky
issn	1211-8516
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	43210

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