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 4.67
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -3.44 -0.375 1.29
Prot (kg) -3.66 -0.441 1.62
Fertility Sub Index 6.11
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) 2.10 1.117 2.35
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.54
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 20.16

* Based on an €80/tonne carbon price