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TITLE:  Selected blood chemistry and hematologic characteristics in milk-fed and conventionally fed calves
 
AUTHORS:  Bradley BD;Colaianne JJ;Allen EH;
 
YEAR:  1982
 
JOURNAL ABBREV:  J Dairy Sci
 
MONTH:  Jun
 
TYPE:  JOUR
 
REFMAN INDEX:  335
 
JOURNAL FULL:  Journal of dairy science
 
VOLUME:  65
 
ISSUE:  6
 
START PAGE:  1036
 
END PAGE:  1040
 
KEYWORDS:  Aging;Alkaline Phosphatase;Animals;blood;Blood Glucose;Blood Proteins;Calcium;Cattle;chemistry;Cholesterol;Diet;Hematocrit;Hemoglobins;Male;metabolism;Milk;Nitrogen;Proteins;veterinary;
 
ABSTRACT:  Effects of diet and age on selected blood chemistry and hematologic characteristics were studied in 20 Holstein bull calves. Milk-fed calves (treatment 1) were maintained exclusively on a milk-replacer diet. Conventionally fed calves (treatment 2) were provided a calf-starter diet and alfalfa hay beginning at 2 wk of age and were weaned from milk replacer at 7 wk of age. Blood samples were collected by jugular puncture from all animals just before the morning feeding at 6, 7, 9, and 11 wk of age. Milk-fed calves had greater glucose concentration in blood serum. Urea nitrogen of blood increased in conventionally fed calves from 6 through 11 wk and decreased in milk-fed calves. Hemoglobin concentration and packed cell volume decreased in calves receiving milk-replacer diet. Total protein and albumin concentrations were greater in the conventionally fed group. Treatment differences also existed for calcium and cholesterol concentrations and in alkaline phosphatase activity
 
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