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 1.40
Milk (kg) -32.00 -0.014 0.45
Fat (kg) 0.13 -0.375 -0.05
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 8.19
Calving Interval (days) -4.86 -1.459 7.09
Survival (%) 0.98 1.117 1.09
Calving Sub Index 1.03
Gestation Length (days) -1.12 -0.919 1.03
Beef Sub Index 0.84
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 3.56 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 12.52

* Based on an €80/tonne carbon price