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Research

Results from using the DairyTech line of products speak for themselves, but as more research on the subject becomes available we post it here.

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Passive Immunity in Newborn Calves

Extract: 

The neonatal immune system at birth is naïve to the wide variety and types of pathogens present in the environment. Consumption of colostrum to provide circulating IgG prior to the cessation of macromolecular transport (“closure”) is essential to ensure healthy calves. There are a tremendous number of factors that may influence the absorption of IgG by calves; therefore, blanket recommendations for feeding one amount of colostrum to all calves is inappropriate. A model to evaluate factors affecting IgG absorption has been developed and those factors are discussed.

Source: 

Jim Quigley
Director of Worldwide Research, APC, Inc., Ames, IA 50010

Feeding the Newborn Dairy Calf

Extract: 

Calf health, growth, and productivity rely heavily on nutrition and management prac- tices. Every heifer calf born on a dairy farm represents an opportunity to maintain or increase herd size, to improve the herd geneti- cally, or to improve economic returns to the farm. The objectives of raising the newborn calf to weaning age are optimizing growth and minimizing health problems. To accomplish these goals, it is necessary to understand the calf’s digestive system, immune system, and nutrient needs, as well as the feed options available to meet those needs.

Source: 

Penn State Extension

Clean Colostrum and Ig Absorption

Extract: 

Colostrum should be processed with the same care afforded to grade A milk sold from the farm. Before practicing the three Q’s of colostrum feeding management (quickness, quantity and quality), the primary emphasis should be placed on “clean” to achieve the goal of less than 100,000 cfu/ml TPC.

Source: 

Robert E. James

Short interval from calving to milking is essential for high IgG content in colostrum

Extract: 

The results emphasize the importance of milking as soon as possible after calving. By changing routines at the farm it is possible to milk most fresh cows within five hours after calving and thereby increase the likelihood of collecting high quality colostrum from 50% to around 80%.

 

 

Source: 

Rikke Engelbrecht1, PhD, Mette Marie Løkke2, PhD, Lars Wiking2, PhD, Associate Professor
1Western Union of Agricultural Services, Ringkøbing, Denmark, 2Department of Food Science, Aarhus University, AU-Foulum, Denmark

Effect of heat stress during late gestation on immune function and growth performance of calves: Isolation of altered colostral and calf factor

Extract: 

Maternal HT during late gestation decreased calf birth weight and weaning weight and compromised the passive IgG transfer, regardless of colostrum source. Feeding colostrum from HT cows during the dry period did not affect AEA or growth performance during the preweaning period, but seemed to impair humoral im- mune response during the first month of life.

Source: 

A. P. A. Monteiro, S. Tao, I. M. Thompson, and G. E. Dahl1
Department of Animal Sciences, University of Florida, Gainesville 32611

TUBE FEEDING NEONATAL SMALL RUMINANTS

Extract: 

It is essential that sheep and goat producers learn how to feed young animals with a stomach tube. This simple procedure can often save a young animal’s life, thereby increasing lambing and kidding crop rates and enhancing profitability. With a brief amount of instruction and a little practice,
anyone can perform this crucial task quickly, safely, and effectively

Evaluation of the effects of oral colostrum supplementation during the first fourteen days on the health and performance of preweaned calves

Extract: 

Although ensuring that calves have APT is the most significant management factor to ensure the health of neonatal calves on calf ranches, colostrum supplementation during the first 2 wk of life in calves was effective in reducing diarrheal disease and the use of antimicrobials. The ADG up to 4 wk of age in colostrum-supplemented calves was significantly greater compared with that in control calves, likely because of a combination of greater energy intake through the liquid feed, increased grain intake, and fewer days with diarrhea.

Source: 

A. C. B. Berge, T. E. Besser, D. A. Moore, and W. M. Sischo1
College of Veterinary Medicine, Washington State University, pullman 99164

Pasteurization of Non-Saleable Milk

Extract: 

A review of important considerations of implementing an on-farm pasteurization system and discussion of available research findings related to feeding pasteurized non-saleable milk to calves. Topics include quality of waste milk, precautions for feeding raw milk, heat pasteurization systems, and UV light treatment.

Source: 

J. A. Elizondo-Salazar, A. J. Heinrichs, and S. L. Gelsinger

Department of Animal Science, The Pennsylvania State University

Heat-Treated (in single aliquot or batch) colostrum outperforms non-heat-treated colostrum in terms of quality and transfer of immunoglobulin G in neonatal Jersey calves

Extract: 

Heat-treating colostrum at 60°C for 60 min, using either the Perfect Udder bag or batch pasteurizer system, resulted in a significant reduction of colostrum bacterial counts while maintaining colostrum IgG concentrations compared with fresh frozen or fresh refrigerated colostrum. Calves fed heat-treated colostrum (PU or DTB) experienced significantly improved AEA and higher final serum IgG and STP measures at 24 h of age compared with calves fed fresh (FF or FR) colostrum.

Source: 

A.A. Kryzer,*1 S.M. Godden,* and R. Schell†

*Department of Veterinary Population Medicine, University of MInnesota, St. Paul 55108

†CalfStart, LLC, Altura, MN 55910

J. Dairy Sci. 98:1870-1877

http://dx.dor.org/10.3168/jds.2014-8387

 ©American Dairy Science Association®, 2015.

Factors affecting immunoglobulin concentration in colostrum of healthy Holstein Cows immediately after delivery.

Extract: 

This study analyzed the influence of the number of milkings, number of births, and udder quarter in immunoglobulin (Ig) concentration in the colostrum of healthy Holstein cows. It was collected two samples of colostrum by manual milking, getting the first jets to completion of bacteriological examination and immunoglobulin levels by radial immunodiffusion test in agar gel. Immunoglobulin concentrations in the colostrum of Holstein cows were influenced by the number of milking after delivery and the number of lactations. These variations may reduce the immunological quality of

Source: 

Gomes V., Madureira K.M., Soriano S., Della Libera A.M.M.P., Blagitz M.G. & Benesi F.J. 2011.

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UNIVERSITIES AND ORGANIZATIONS CURRENTLY USING DAIRY TECH INC.

Company Name: 
Iowa State University
University of Wisconsin
University of Connecticut
Agricultural Research Station – Puerto Rico
New Sweden Dairy – Minnesota State Teaching Facility
University of Alberta
Kansas State University
Cal Poly at San Luis Obispo
Clemson University
North Carolina Dept. of Ag & CS Cherry Farm Unit
North Carolina Dept. of Ag & CS Piedmont Research Station
Land O Lakes Research Facility
University of Idaho
Ohio State University
North Carolina State University
University of Florida – Dairy Unit
University of California – Davis
Cornell University
University of Minnesota
University of Pennsylvania
University of New Hampshire
Ohio Department of Corrections
Central States Research Center
Alfred State College
California State University - Chico
Berry College