Evaluation of liver lipidosis and its association with some blood biochemical parameters in Urmia slaughtered cows
2012
Ramin, A .G., Clinical Sciences, Vet. College, Urmia University | Tajik, H., Food Dept and Quality Control, Vet. College, Urmia University | Asri-Rezaie, S., Clinical Sciences, Vet. College, Urmia University | Nozad, Sh., Assistant of Internal Medicine, Vet. College, Urmia University | Yazdizadeh, A., Vet. Graduated, Urmia University | Ramin, S., Medical Sciences of Tabriz University, Tabriz
The amounts of liver dry matter, liver fat and fat in liver dry matter based on age and sex of animals together with the concentrations of glucose, beta hydroxyl butyrate (BHB), urea, triglycerides (TG), calcium, magnesium and phosphorus in order to determination of probable subclinical liver lipidosis were investigated in 114 cows including 41 non-pregnant, 7 pregnant, 18 heifers and 48 bulls. The breed of cows was from Holstein and the body condition scores were average moderate. A 5 ml blood and 10 gram liver were prepared during the slaughtering of cows. The fat content of all the liver samples was estimated by an extraction method (Soxhlet). Blood biochemical parameters were evaluated by the current laboratory methods. Mean percentage of liver dry matter for overall was 29.7%, liver fat was 1.1 mg/gram liver and percentage of fat in liver dry matter was 3.67%. There were no age and sex differences between parameters. Mean blood biochemical values between male and female calves were not significant, thus, by combinations of results the overall mean for glucose, urea, TG, calcium, magnesium, phosphorus, and BHB were 49.4, 27.1, 38.1, 9.18, 2.92, 4.8mg/dl and 0.53 mmol/l, respectively. The values were all at the recommended references for parameters. Age differences for the fat content of liver and blood parameters were also showed not significant among them. Correlation between liver fat and blood biochemical parameters were also revealed no significant correlations between them, while significant positive correlations were observed among blood macro-minerals and glucose/triglycerides. Thus, it can be concluded that in the absence of subclinical liver lipidosis there is no correlations between liver fat and or blood biochemical parameters in cows.
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