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Feeding for Maximum Milk Production and Reproductive Performance
Advances in technology and research have had major impacts on dairy management practices and performance of dairy cattle. With higher levels of milk production, there is a continuing increase in the requirement...
Author: Barney Harris, Jr.- U.S. Department of Agriculture, Cooperative Extension Service, University...
Publication date: 06/09/2009    Rating:    Views: 744

Bacteria Counts In Raw Milk
There is little doubt that raw milk is the most scrutinized agricultural commodity. Appendix N of the Pasteurized Milk Ordinance requires that all bulk tank milk be tested for beta-lactam antibiotics. This docu...
Author: Richard L. Wallace, Associate Professor, Veterinary Clinical Medicine - University of Illinoi...
Publication date: 05/04/2009    Rating:    Views: 1374

Comparison of Three Enzyme Immunoassays for Measuring 17B-Estradiol in Flushed Dairy Manure Wastewater
Natural steroidal estrogens are an environmental concern because low nanogram per liter concentrations in water can adversely affect aquatic vertebrate species by disrupting the normal function of their endocri...
Author: Travis A. Hanselman, Donald A. Graetz & Ann C. Wilkie - Soil & Water Science Dept, Univ of Flo...
Publication date: 01/08/2009    Rating:    Views: 585

Stress Management: Cow Comfort
Cow comfort is becoming an often heard phrase in today's industry trade papers. It's a means to describe relationship between the well being of the cow and the housing systems. Cow comfort improvement focuses m...
Author: Manitoba Agriculture, Food and Rural Initiatives (Dairy publication)
Publication date: 12/22/2008    Rating:    Views: 1207

Managing Livestock Manure
If proper manure management practices are followed, animal wastes can be utilized as a valuable nutrient resource rather than treated as a waste. Manure is an excellent “organic” fertilizer containing nitrogen ...
Author: Dr. Ross H. McKenzie, Research Scientist – Agronomy / Agricultural Research Division, Lethbrid...
Publication date: 11/13/2008    Rating:    Views: 1051

Fertilizing Cropland with Dairy Manure
Manure management should be a top priority on dairy farms as we approach the 21st century. Mismanagement of manure can have a substantial impact on our water, soil and air resources. When used appropriately, ma...
Author: Michael Schmitt and George Rehm (Extension Soil Fertility Specialists) - University of Minneso...
Publication date: 09/03/2008    Rating:    Views: 1257

Nutrient and Fertilizer Value of Dairy Manure
Livestock manure has been an asset to crop production since the beginning of organized agriculture. Because these excretions from cattle contain several essential plant nutrients, they contribute to increased c...
Author: Jodie A. Pennington (Extension Dairy Specialist); Karl VanDevender (Extension Engineer Waste M...
Publication date: 08/13/2008    Rating:    Views: 1042

Stray Voltage Problems in Livestock Production
Stray, tingle or neutral to earth voltage has been implicated as a problem for dairy and other livestock herds for approximately twenty years. For the livestock producer, awareness of and concern for tingle vol...
Author: Jack Rodenburg - Dairy Production Systems Program Lead/OMAFRA - Published by the Government of...
Publication date: 08/12/2008    Rating:    Views: 673

Are cows housed in six-row barns more prone to heat stress?
Housing lactating dairy cows in six-row rather than four-row freestall buildings increases animal density and raises concerns about the level of heat stress. In the summer of 2000, Kansas State University condu...
Author: John F. Smith, Micheal J. Brouk, and Joseph P. Harner - Kansas State University Dairy Research...
Publication date: 07/21/2008    Rating:    Views: 1034

What Is the Maximum Worth of a Dairy Heifer?
Many Florida dairy farms purchase dairy heifers to replace their culled cows. The purchase price of a dairy heifer has varied the last several years from less than $1,000 to more than $2,000 per head. The major...
Author: Albert de Vries and Russ Giesy - Institute of Food and Agricultural Sciences, University of Fl...
Publication date: 07/01/2008    Rating:    Views: 873