Variations of blood corpuscles and immunoglobulin G of plasma and milk in placenta-fed sows
2006
Lee, S.D.(National Livestock Research Inst., Cheonan (Korea R.)) | Sonoda, T. | Hasegawa, N. | Fukunaga, R. | Harada, H. | Song, Y.M. | Hidaka, R.
The objective of the present study was to investigate the variations of blood corpuscle and immunoglobulin G (IgG) of plasma and milk in sows fed placenta. The first experiment was designed with two groups, the experimental group (Ex: with placenta) and the control (Ct: without placenta) depending on whether they were fed placenta or not. The second experiment was designed using varying condition of placenta (fresh: Fp or cooked: Cp) and amounts of placenta (900 g or 1800 g) according to 2 x 2 factorial design. The number of erythrocytes were higher (P0.05) in Ct than in Ex on day 1 of Experiment 1. It was greater in Fp than in Cp on day 3 (P0.01) and day 8 (P0.05) in Experiment 2. The concentration of hemoglobin was greater (P0.05) in Fp than in Cp on day 3 in Experiment 2. In Experiment 1, the concentration of IgG in milk was significantly greater in Ex than in Ct on day 15 (P0.05) and day 20 (P0.01). In Experiment 2, the concentration of IgG in plasma was significantly greater in Fp than in Cp from day 3 to day 20 (P0.05). The concentration of IgG in milk was greater (P0.05) in Fp than in Cp on day 1 in Experiment 2. The results indicate that, when supplied as a feed, fresh placenta affected the IgG in the plasma and milk of sows.
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