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462 PROCEEDINGS OF INTERNATIONAL SCIENTIFIC CONFERENCE ON APPLIED BIOTECHNOLOGYTable 2. Birth weight (kg/calf) of calves in 2 seasonsBirth seasonN Mean Standard deviationCoefficient of variation CV%95% Confidence intervalPWinter 180 34.836 3.871 14.98 (34.270, 35.403) 0.000Spring 161 36.447 3.857 14.88 (35.848, 37.046) 0.000Calves born in Spring in Phu Yen have a higher average weight (36.447 kg) compared to calves born in Winter (34.836 kg). The standard deviation for both seasons is quite similar (about 3.86-3.87 kg), indicating a similar weight distribution among calves within the same season.Figure 2. Birth weight of calves raised in Phu Yen by seasonTable 3 shows the results of analyzing the difference in birth weights between seasons using the analysis of variance (ANOVA) method as follows:
