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 4.13
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -2.65 -0.375 0.99
Prot (kg) -2.45 -0.441 1.08
Fertility Sub Index 6.44
Calving Interval (days) -3.11 -1.459 4.54
Survival (%) 1.70 1.117 1.90
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.23
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.67 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 18.99

* Based on an €80/tonne carbon price