Colostrum and passive immunity in newborn calves: a review
نویسندگان
چکیده
منابع مشابه
Formulation of colostrum supplements, colostrum replacers and acquisition of passive immunity in neonatal calves.
Provision of an adequate mass of IgG from maternal colostrum is essential to health and survival of neonatal calves. Colostrum supplements (CS) have been developed to provide supplemental immunoglobulin when maternal colostrum is of poor quality. However, colostrum replacers (CR) that provide > or = 100 g of IgG have not been formulated. Our objective was to determine the absorption of IgG in n...
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Basic nutrients, minerals, total protein and its fractions in colostrum from cows fed feed supplemented with yeast metabolites (60 g/d/animal) in perinatal period, as well as the level of immunoglobulins in calves’ blood serum on the 2 and 35 d of their life were determined. Additionally, the total immunoglobulin index in calves aged 3-4 weeks was calculated. It was demonstrated that feed with ...
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In the present study, the effects of natural zeolite clinoptilolite on absorption of immunoglobulins from colostrum and incidence of enteric diseases were evaluated. In a completely randomised design, thirty Holstein calves were fed pooled colostrum and then milk containing zero (control), 0.5 (T1), 1.0 (T2), 1.5 (T3) and 2.0 (T4) g clinoptilolite per kg body weight per day through day 45. Bloo...
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Raising healthy calves with minimum mortality is crucial in successful dairying. The calf has essentially no immune protection at birth because maternal immunoglobulins cannot cross the placenta, and the calf's own immune system is functionally immature. Reducing health problems in calves can be achieved through feeding colostrum. The calf's acquisition of colostral immunoglobulins through abso...
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Following colostrum management training, a randomized field trial was conducted on a California dairy to determine the effect of supplementing pooled colostrum with either colostrum-derived replacer (CDR) or second-milking colostrum (transition milk) on failure of passive transfer (FPT) and preweaning morbidity risks. A total of 166 calves were randomly assigned to 4L first-milking pooled colos...
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ژورنال
عنوان ژورنال: Russian veterinary journal
سال: 2018
ISSN: 2500-4379
DOI: 10.32416/article_5c050abdc381a5.42529397