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 3.62
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -2.30 -0.375 0.86
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index 5.19
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) -1.45 1.117 -1.62
Calving Sub Index -3.38
Gestation Length (days) 3.68 -0.919 -3.38
Beef Sub Index 2.64
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) -4.29 -0.432 1.85
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 10.12

* Based on an €80/tonne carbon price