Evaluation of a Metabolic Profile Test in Dairy Herds with Decreased Milk Components.
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概要
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The relations among blood metabolites, body condition acores (BCS) and feedingdiets were investigated to clarify the factors influencing milk components. The results ofherds with low milk fat (under 3.5%) and with low milk solids-not-fat (SNF) (under8.5%) were compared with that of herds with sufficient milk components. In the low milk fat herds, the BCS in the dry period and total cholesterol levels in the middle andlate lactating stages were lower. In the low milk SNF herds, the BCS in the middle lactating stage, the plasma glucose level in the early lactating stage and the total cholesterol levels in the middle and late lactating stages were lower. Individual varieties ofprotein metabolites such as total protein, albumin and hematocrit were observed in boththe low milk fat and low milk SNP herds. These results show a low BCS in the dry period and low lipid intakes in the lactating stages of the low milk fat herds, and a lowenergy level in the lactating stages of the low milk SNF herds.
- 日本家畜臨床学会の論文
日本家畜臨床学会 | 論文
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