Feeding and Management of Dairy Heifers
Proper growth rates are critical for replacement heifers to meet genetic potential and mature weight at calving. Retardation of growth below recommended levels (less than 1.8 ADG 350 lbs to 850 lbs) tends to shorten the productive portion of the heifer's life. Acceleration of growth above 2 Lbs per day is also undesirable since lifetime milk production and longevity decrease. Michigan State studies suggest that feeding high levels of energy to accelerate growth from breeding to calving (850 lbs to 1250 lbs) does not inhibit formation of mammary secretory tissue, and would probably allow maximum lifetime milk yields.
A JLM program should give the dairy heifer every opportunity to develop a healthy and strong body. A well-developed heifer has a far better chance of becoming a good producer than one poorly fed and cared for. Varying amounts of roughage and grain (Table 1) may be fed during the growing period, with the amount of grain based on the desired growth rates. A great deal of flexibility is possible during this period and similar results can be obtained by following JLM Heifer Program. Calf Milk Replacer - All Milk BOV
JLM Heifer Program Spreadsheet
Edible grade milk ingredients are used, including a high level of skim milk.
Additional amino acids are added to form a unique combination of essential amino acids.
Animal fat and coconut oil are used to form a combination of long and short chain fatty acids, which mirror the fatty acid profile of whole milk, resulting in easier digestibility.
Fats are incorporated into the milk replacer by both cold processing and spray drying to provide a more even absorption of energy by the calf.
Chelated trace minerals are used for better utilization and absorption of nutrients.
Medicated for the control of coccidiosis caused by Eimeria bovus and Eimeria zuernii in replacement calves.
JLM Calf Milk Replacer brochure