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  • Title: Effects of spray-dried animal plasma in milk replacers or additives containing serum and oligosaccharides on growth and health of calves.
    Author: Quigley JD, Kost CJ, Wolfe TA.
    Journal: J Dairy Sci; 2002 Feb; 85(2):413-21. PubMed ID: 11913702.
    Abstract:
    The effects of spray-dried animal plasma in milk replacer without or with the addition of additives containing fructooligosaccharides and spray-dried serum on health, growth, and intake of Holstein calves was measured in two 56-d experiments. In experiment 1, 120 calves were fed milk replacer containing 0 or 20% of crude protein as spray-dried bovine plasma for 42 d and 30 to 60 g/d of additives containing whey protein concentrate or bovine serum for the first 15 d. Commercial calf starter was available from d 29, and water was available at all times. In experiment 2, 120 calves were fed milk replacer containing 0 or 16% of crude protein as spray-dried bovine plasma with 0 or 30 to 60 g/d of additive containing bovine serum for the first 15 d. Additive containing bovine serum also contained fructooligosaccharides, whey, and vitamin/mineral premix. In experiment 1, calves fed additive containing bovine serum tended to have fewer days with diarrhea, lower use of electrolytes, and improved BW gain from d 29 to 56. The addition of spray-dried bovine plasma to milk replacer did not influence any parameter measured. In experiment 2, calves fed additive containing bovine serum or milk replacer containing spray-dried bovine plasma had lower mortality (4.4 vs. 20%) and tended to have improved fecal scores and fewer days with scours. Antibiotic use was lower when calves were fed the additive. Indices of enteric health (incidence of scours and treatment with antibiotics and electrolytes) were improved when plasma was added to milk replacer throughout the milk feeding period or as an additive during the first 15 d of the milk feeding period, when calves were most susceptible to enteric pathogens. The addition of spray-dried animal plasma to milk replacer or the addition of additive containing spray-dried bovine serum and oligosaccharides may be a useful adjunct to animal management during periods of stress.
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