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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.

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.

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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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Fatores que afetam o nível de imunoglobulina no colostro de vacas Holandesas sadias imediatamente apos o parto

Extract: 

A pesquisa avaliou a inluência do número de ordenhas, número de parições e quarto mamário na concentração de imunoglobulinas (Ig) do colostro de vacas hígidas da raça Holandesa. Foram colhidas duas amostras de colostro por ordenha manual, obtendo-se os de imunodifusão em gel de ágar. As amostras positivas ao exame bacteriológico foram eliminadas desta investigação.

Source: 

Departamento de Clinica Medica, Faculdade de Medicina Veterinaria e Zootecnia, Universidade  de Sao o Paulo

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Reducing Failure of Passive Immunoglobulin Transfer in Dairy Calves

Extract: 

The dairy calf is unique in that its only source of early immunity is obtained passively from colostrum after birth. There are many factors that impact the early immune status of the dairy calf. Primary factors include the quality of colostrum fed, time of feeding and amount fed. The resulting condition when blood IgG levels are not met is termed failure of passive transfer or FPT. 

Source: 

A. J. Heinrichs and J. A. Elizondo- Salazar- Department of Dairy and Animal Science, The Pennsylvania State University

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Feeding Colostrum with an Esophageal Feeder Does Not Reduce Immunoglobulin G absorbtion in Neonatal Dairy Heifer Calves

Extract: 

Newborn Heifer calves were studied to compare total serum protein and IgG concentrations and apparent efficiency of absorbtion when colostrum was fed by nipple bottle or esophageal feeder. All calves recieved a total dose of 285 g of IgG. The results showed no differences between treatments when examining IgG concentration, total serum protein concentration or AEA and all treatments provided successful passive transfer of immunity.  These results confirm that esophogeal feeders can be used to administer up to 3.8 L of colostrum to newborn calves.

Source: 

J.A Elizondo-Salazar, C. M. Jones, and A. J. Heinrichs, PAS-  Department of Dairy and Animal Science, The Pennsylvania State University

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Guidelines for young stock

Extract: 

General Guidelines
ALL animals must have shelter from the wind and be able to use the shelter at the same time- This may be a wind block, trees, or an enclosure for mature animals. 

Increase food availability - animals are spending a lot of energy staying warm.

Make sure fresh water is available to all animals.  Snow is not a water source for animals.

Source: 

Amy Stanton, PhD
Assistant Professor
Dairy Cattle Wellbeing Specialist
Department of Dairy Science
University of Wisconsin

 

 

Pasteurizing colostrum: the next step to controlling disease

Extract: 

Calves Absorbed MORE immunoglobulins When Colostrum was Pastuerized.

by Jud Heinrichs and Coleen Jones


The authors are a professor and research associate in the department of dairy and animal science at Penn State.

Chilling Fast is Cool for Colostrum, Not Bacteria

Extract: 

FEEDING colostrum to newborn calves is a well-known requirement to those raising healthy calves. And it’s not only about quantity but quality. In addition to protein and immunoglobulin content as a measure of colostrum quality, cleanliness of colostrum is important, too. High levels of bacteria in colostrum reduce the calf’s ability to absorb the colostrum. Also, bacteria in colostrum can be the starting point for infection.

Source: 

Maya Kuratomi and Sam Leadly

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Cold Weather Calf Care Checklist

Extract: 

Are you using effective cold weather calf care management procedures? Do they provide the opportunity for your employees to provide quality calf care?

Let’s consider your cold weather calf care procedures. Compare your actions with the standards in this checklist.

Source: 

Sam Leadley, Calf & Heifer Management Specialist
Senior Veterinary Students, OCD, Irish Editors

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Heat-treated colostrum and reduced morbidity in preweaned dairy calves: Results of a randomized trial and examination of mechanisms of effectiveness

Extract: 

A randomized controlled clinical trial was conducted using 1,071 newborn calves from 6 commercial dairy farms in Minnesota and Wisconsin, with the primary objective being to describe the effects of feeding heat-treated colostrum on serum immunoglobulin G concentration and health in the preweaning period. A secondary objective was to complete a path analysis to identify intermediate factors that may explain how feeding heat-treated colostrum reduced the risk for illness.

Source: 

S. M. Godden,*1 D. J. Smolenski,† M. Donahue,*2 J. M. Oakes,† R. Bey,* S. Wells,* S. Sreevatsan,* J. Stabel,‡
and J. Fetrow*

*Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul 55108
†Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis 55454
‡USDA Agricultural Research Service, National Animal Disease Center, Ames, IA 50010

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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
Purdue University