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 14.71
Milk (kg) -405.00 -0.014 5.67
Fat (kg) -9.44 -0.375 3.54
Prot (kg) -12.46 -0.441 5.50
Fertility Sub Index 7.82
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
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 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 25.58

* Based on an €80/tonne carbon price