Chemical compositions of bovine colostrum and their change after parturition were studied.Fat,total protein,whey proteins,ash and total solid were higher than those in milk and decreased as lactation time was increase...Chemical compositions of bovine colostrum and their change after parturition were studied.Fat,total protein,whey proteins,ash and total solid were higher than those in milk and decreased as lactation time was increased.Lactose was lower than that in milk and moresed with the increase of lactation time.Whey proteins of colostrum such as Ig,β-Lg,BSA,Lf and LP were obviously higher than those in milk and dccrcascd as lactation time was increased.There were high unsaturated fatty acids in colostrum compared with bovine milk.Na,Cl,Fe,Zn,Cr and Mg in colostrum were higher than those in milk.They fell as lactation time was increased.I,K,P,Mn and Cu increased with the increase of lactation time.Co,As and Pb were not dctccrcd by ICP method.展开更多
文摘Chemical compositions of bovine colostrum and their change after parturition were studied.Fat,total protein,whey proteins,ash and total solid were higher than those in milk and decreased as lactation time was increased.Lactose was lower than that in milk and moresed with the increase of lactation time.Whey proteins of colostrum such as Ig,β-Lg,BSA,Lf and LP were obviously higher than those in milk and dccrcascd as lactation time was increased.There were high unsaturated fatty acids in colostrum compared with bovine milk.Na,Cl,Fe,Zn,Cr and Mg in colostrum were higher than those in milk.They fell as lactation time was increased.I,K,P,Mn and Cu increased with the increase of lactation time.Co,As and Pb were not dctccrcd by ICP method.
