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 -2.76
Milk (kg) 39.00 -0.014 -0.55
Fat (kg) 3.32 -0.375 -1.24
Prot (kg) 2.19 -0.441 -0.97
Fertility Sub Index 4.07
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) 0.98 1.117 1.09
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.47
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 9.76

* Based on an €80/tonne carbon price