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 3.87
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -2.02 -0.375 0.76
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index 9.48
Calving Interval (days) -4.10 -1.459 5.98
Survival (%) 3.13 1.117 3.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -1.19
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 5.56 -0.432 -2.40
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 19.16

* Based on an €80/tonne carbon price