| Summary: | The aim of this research was to determine the effect of cows breed
in performance at small-holder cattle farm in 4 regions from 150
respondent in Blitar, such as Talun, Srengat, Ponggok and Udanawu
regency. The research was conducted in October 2013. This research was
carried out by survey method to get primary and secondary data. The
variables were respondent�s identity, respondent�s experience, first age
mating, first mating age, post partum mating, post partum estrus, service
per conception, conception rate, non return rate and calving interval. The
data was tabulated and counted for average, standard deviation and
percentage. The data was analyzed by a Completely Radomized Design
(CRD) One Way Classification and if the result is significant its continue
with Duncan test. The result showed that average of maerial performance
PO, SIMPO, LIMPO and BX manner to fist mating age (month) 23.82±4.3,
24.36±5.06, 19.18±3.75, 21.85±4.13
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