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Genetic Evaluation for Functional Longevity in Polish Simmental Cattle

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Figure 1. Relative risk of culling (RRC) by lactation × stage of lactation (lactations: 1 to 6+; stage: 0–29, 30–179, 180–305, more than 305 days)
Figure 4. Relative risk of culling (RRC) by the classes of yearly herd size change (class 1: < –50%, 2: –50 to –29%, 3: –30 to –11%, 4: –10 to 9%, 5: 10 to 29%, 6: 30 to 49%, 7: ≥ 50% change)
Figure 5. Relative risk of culling (RRC) by age at first calving (months)
Figure 6. Mean relative breeding value (RBV) and reliability (REL) by birth year of bulls (1993–2008)

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