Effects of Age, Herd, and Herd Status on Classification Scores of Jersey Cattle

Effects of Age, Herd, and Herd Status on Classification Scores of Jersey Cattle

Classification was arranged for herds belonging to the official Jersey program concurrently with classification for Jersey research herds. Herds were categorized as official, registered research and grade research. Cattle were also grouped as 2 year olds, 3 to 4 year olds and 5 year olds. Difference...

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Veröffentlicht in:Journal of dairy science 1970-11, Vol.53 (11), p.1612-1617
Hauptverfasser: Barr, H.L., Carter, H.W., Van Vleck, L.D.
Format: Artikel
Sprache:eng
Schlagworte:
animal science
zoology
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Zusammenfassung:Classification was arranged for herds belonging to the official Jersey program concurrently with classification for Jersey research herds. Herds were categorized as official, registered research and grade research. Cattle were also grouped as 2 year olds, 3 to 4 year olds and 5 year olds. Differences for herd status were significant (P
ISSN:0022-0302
1525-3198
DOI:10.3168/jds.S0022-0302(70)86445-1