Characterization of a Colostrum Replacer and a Colostrum Supplement Containing IgG Concentrate and Growth Factors
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منابع مشابه
Characterization of a colostrum replacer and a colostrum supplement containing IgG concentrate and growth factors.
The objective of this study was to characterize absorption of colostrum replacer (CR) or supplement (CS) containing fractions of bovine plasma. Immunoglobulin concentrate (IGC) was prepared from bovine blood to a final purity of approximately 90% IgG. Blood was also processed to produce a fraction containing elevated concentrations of IGF-I and TGF-beta (GF). Both IGC and GF were spray-dried an...
متن کاملAbsorption of protein and IgG in calves fed a colostrum supplement or replacer.
Newborn Holstein bull calves (n = 32) were assigned to receive a colostrum supplement (CS) containing defibrinated bovine plasma or a colostrum replacer (CR) containing an immunoglobulin concentrate obtained by concentrating the immunoglobulin (Ig)G fraction of bovine plasma. The CS and CR contained 11.1 and 21.2% of dry matter as IgG, respectively. Each animal was fed two 454-g feedings at 1 a...
متن کاملAddition of casein or whey protein to colostrum or a colostrum supplement product on absorption of IgG in neonatal calves.
The effects of the addition of nonimmunoglobulin protein on absorption of immunoglobulin G (IgG) from colostrum or colostrum supplement products were determined in two experiments. In experiment 1, 48 Holstein calves were fed 4 L of pooled maternal colostrum or 4 L of reconstituted colostrum supplement with 0, 200, or 400 g of added whey protein concentrate or casein. In experiment 2, 38 Jersey...
متن کاملColostrum Replacer and Bovine Leukemia Virus Seropositivity in Calves
1. Swanepoel R, Coetzer JAW. Rift Valley fever. In: Coetzer JAW, Thomson GR, Tustin RC, editors. Infectious diseases of livestock. Oxford (UK): Oxford University Press; 2004. p. 1037–70. 2. Olive MM, Goodman SM, Reynes JM. The role of the wild mammals in the maintenance of Rift Valley fever virus. J Wildl Dis. 2012;48:241–66. 3. Fontenille D. Arbovirus transmission cycles in Madagascar [in Fren...
متن کاملEvaluation of a colostrum supplement, with or without trypsin inhibitor, and an egg protein milk replacer for dairy calves.
Forty-eight Holstein bull calves were assigned to a 2 x 2 x 2 factorial arrangement in a completely randomized block design. Main effects were colostrum versus a serum-derived colostrum supplement, 0 versus 1 g of trypsin inhibitor added at the initial 2 feedings, and milk replacer containing 0 or 50% CP from whole egg. Calves were bled at 0, 6, 12, 18, and 24 h after birth for determination of...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 2004
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(04)73147-1