Left and right displaced abomasum and abomasal volvulus: comparison of clinical, laboratory and ultrasonographic findings in 1982 dairy cows

Table 10 Diagnosis after clinical, ultrasonographic and postmortem examination and surgical exploration in 1982 cows with LDA, RDA and AV

Diagnosis based on	LDA (n = 1341) %	RDA/AV (n = 641)¹	Total (n = 1982)	Chi²	Additional tests	P
CE (n = 1153)	1009 (75%)^a	144 (22.5%)^b	1,153 (58.1%)	286	Boph	< 0.05
CE + US (n = 1783)	290 (22%)^a	340 (53%)^b	630 (31.8%)
CE + US + L (n = 1979)	42 (3%)^a	154 (24%)^a	196 (9.9%)
CE + US + L + PME (n = 1982)	0 (0%)	3 (0.5%)	3 (0.2%)

Boph Bonferroni post hoc test, Within rows, values with different superscripts are different (P < 0.05)
CE clinical examination, US ultrasonographic examination, L Laparotomy, PME postmortem examination
¹338 cows with RDA and 303 with AV

ISSN: 1751-0147