Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 7.80
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -8.24 -0.375 3.09
Prot (kg) -6.63 -0.441 2.93
Fertility Sub Index 8.65
Calving Interval (days) -4.33 -1.459 6.32
Survival (%) 2.09 1.117 2.33
Calving Sub Index -1.76
Gestation Length (days) 1.91 -0.919 -1.76
Beef Sub Index -3.63
Carcass Weight (kg) 4.40 -0.528 -2.32
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 12.73

* Based on an €80/tonne carbon price