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 5.17
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -4.42 -0.375 1.66
Prot (kg) -3.94 -0.441 1.74
Fertility Sub Index 5.63
Calving Interval (days) -3.52 -1.459 5.14
Survival (%) 0.44 1.117 0.49
Calving Sub Index -0.58
Gestation Length (days) 0.63 -0.919 -0.58
Beef Sub Index -4.19
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 4.93 -0.432 -2.13
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 7.20

* Based on an €80/tonne carbon price