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 5.72
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -7.07 -0.375 2.65
Prot (kg) -3.05 -0.441 1.35
Fertility Sub Index 3.59
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) 0.76 1.117 0.85
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index -4.30
Carcass Weight (kg) 8.30 -0.528 -4.38
Age of Slaughter (days) -0.17 -0.432 0.07
Maintenance Sub Index Maint. Sub Index -1.13
Live WT (kg) 3.70 -0.307 -1.13
Total Carbon Sub Index 3.66

* Based on an €80/tonne carbon price