USE OF TEST-DAY MILK YIELD FOR GENETIC EVALUATION IN ...

ABSTRACT. In test-day (TD) models, records from individual test days are used to determine lactation production in- stead of aggregating records.







????? ???? ??????? ?????? - ??
... ????????????????????????. ????????? ???? ... (??????). ? 37 ? ?????????????????????? ...
????(??)???????(???)?? - ?????? ????
??????1??? ????? ??? ???? ?? ??15?? ???????. ??????????? (1) ??? ????? ???????????? ???? ...
???2 ?????????????? - ?????????
1 ????????????????????. ?????????????????. (1) ??4?5?6????????????????????D?? ...
??13?17 ?????????? - ????????
?1???????????????????????????????????????????. ?????????????????????? ?2?????????? ...
????????????26? - ???????
????????? ??. ?????. ?. ?. ??1?1. ?????????. ??1?2. ?????????????. ??1?3. ??????????42????????.
????????? ??
? ??????????????????????????. ? ???????????????????????????. ?????. ? ?????????????? ...
??????????????????????
?1? ????????. ????????????????????????????????????????. ??????????????????? ...
??????? ??????????? ?323???? ?? ?
Td=21kN/m????????????????. m2. 5,000. ?. ?? ... ?????????????????????????????????? ...
??????? - ????? - ??? ???????
5??????????. (1)???????. ? ???????????????????????? ? ??????????????????????
???????? ?????? 2?? - ????????
??????????????????????????????. ????? 2????????????????????????. ??????????????? ...
^??(1)? 1 ????????? - ???????
JAERl?M?????.??? F???????????j???????????? ????????? B ?????????????????(?319? 11????;???.
?????????????????????????? ??
2?????????????????. ?1????????????????????4?????????FAX?????? ... 3A x1 V TD?. VS. V. 300V. MCCB3P.