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Article

Phenotypic relationship of yield and type scores from first lactation with herd life and profitability.

Journal of dairy science - 1 Apr 1996

Norman H D, Powell R L, Wright J R, Pearson R E

Abstract excerpt

Milk records from Ayrshire, Brown Swiss, Guernsey, Jersey, and Milking Shorthorn cows that first calved between 18 and 35 mo were combined with scores for linear type traits collected before 43 mo during first lactation to study herd life and lifetime profitability. Profitability (discounted relative net income) was the value of milk, calves, and cow salvage minus fixed costs, operating costs, and cow...

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Identifiers

PMID: 8744235
DOI: 10.3168/jds.S0022-0302(96)76415-9

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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