Fig 1.
Identification of plausible daughter conception date.
Images sourced from the CANEVAS website.
Fig 2.
Diagram processing and filtering pipeline for dam–daughter pair analysis in Lactanet records.
Fig 3.
Histogram of dam days in milk 3 days category: frequency distribution by class.
Table 1.
Final number of daughter (F1) lactation records, herds, and unique dams included in the analysis.
Fig 4.
Distribution of number of daughters per dam.
The total number of unique dams analyzed was 115,161 records.
Table 2.
Regression coefficients (per day) (Estimate × 10 ⁻ ² and Standard Error × 10 ⁻ 2) for daughters across four lactations.
Fig 5.
Least squares means of the number of services required by daughters, as affected by her age at calving and her lactation number.
Fig 6.
Least squares means of the number of services required by daughters, as affected by her month of calving and her lactation.
Fig 7.
Least squares means of the number of services required by daughters, affected by dam days in milk (DIM) and daughter lactation.
Fig 8.
Least squares means of the number of services required by daughters, affected by dam parity and daughter lactation number.
Fig 9.
Least squares means of the number of services required by daughters, affected by dam milk yield deviation and daughter lactation number.