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Titolo:
Enzyme activities and milk performance by clusters of growth hormone gene (GH) and beta-casein (beta-cN) in German Holsteins
Autore:
Panicke, L; Citek, J; Schmidt, M; Rehout, V; Erhardt, G; Staufenbiel, R;
Indirizzi:
Res Inst Biol Farm Anim, D-18196 Dummerstorf, Germany Res Inst Biol Farm Anim Dummerstorf Germany D-18196 Dummerstorf, Germany Pedagogy High Sch, Kielce, Poland Pedagogy High Sch Kielce PolandPedagogy High Sch, Kielce, Poland S Bohemian Univ, Fac Agr, Ceske Budejovice, Czech Republic S Bohemian Univ Ceske Budejovice Czech Republic ejovice, Czech Republic Univ Giessen, Inst Anim Breeding & Genet, Giessen, Germany Univ Giessen Giessen Germany st Anim Breeding & Genet, Giessen, Germany Free Univ Berlin, Clin Cattle & Pigs, D-1000 Berlin, Germany Free Univ Berlin Berlin Germany D-1000 le & Pigs, D-1000 Berlin, Germany
Titolo Testata:
CZECH JOURNAL OF ANIMAL SCIENCE
fascicolo: 5, volume: 46, anno: 2001,
pagine: 202 - 208
SICI:
1212-1819(200105)46:5<202:EAAMPB>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
LYSOSOMAL-ENZYMES; PRODUCTION TRAITS; PROTEOLYTIC ACTIVITIES; DAIRY-CATTLE; HEIFERS; PITUITARY; MAMMARY; QTL;
Keywords:
cattle; enzyme; fertility; milk performance; milk protein genotypes;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Panicke, L Res Inst Biol Farm Anim, Wilhelm-Stahl-Allee 2, D-18196 Dummerstorf, Germany Res Inst Biol Farm Anim Wilhelm-Stahl-Allee 2 Dummerstorf Germany D-18196
Citazione:
L. Panicke et al., "Enzyme activities and milk performance by clusters of growth hormone gene (GH) and beta-casein (beta-cN) in German Holsteins", CZEC J ANIM, 46(5), 2001, pp. 202-208

Abstract

The examined enzyme activities show the same trend as milk yield. The enzyme activities for combined aminopeptidases increased nonlinearly to a higher milk performance. Lower physiological load contributes to better fertility. The increasing enzyme activity of lysosomal esterase is connected with ahigher ATP need, the protein synthesis increases simultaneously. The genetic effects of milk protein genotypes beta -casein(A2A2) are superior to those of beta -casein(A1A1). The effect of days open shows the same trend in milk production and fertility. A high milk performance could be combined with high fertility on a genetic basis.

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Documento generato il 31/03/20 alle ore 22:43:20