Evaluation of Dairy Manure as Fertilizer: Manure N and P Supplies for Crop Production

Corn field

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The amount of fresh manure, excluding bedding and added water, produced from dairy operations in Ohio is approximately 51 million lb/day, making dairy farms the largest manure producers among livestock operations in Ohio. Dairy cows fed typical North American diets excrete manure that contains nutrients valuable for crops, including nitrogen (N), phosphorus (P

Dairy Cattle Nutrient Management


Introduction

Managing dairy cattle nutrition plays a crucial role in modern dairy cattle operations. Areas in which dairy producers can exercise control of nutrient management include diet formulations for dairy cattle, dairy rations, and use of minerals or supplements such as Rumensin. This section provides information on a variety of dairy cattle nutrient management issues, some of which include mineral management, dairy cattle ration formulation, and silage management. For more information on various aspects of manure and nutrient management, please …

Phosphorus Mass Balance on Livestock and Poultry Operations

Introduction

This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and reduce the excretion of nutrients in manure.

Please check this link first if you are interested in organic

Grouping Dairy Cows

Introduction

This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and reduce the excretion of nutrients in manure.

The trend over the past 15 years has been to feed …

How Efficiently Are Your Cows Using Ration Nitrogen?


Introduction

This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and reduce the excretion of nutrients in manure.

Please check this link first if you are interested in organic

Interpreting Milk Urea Nitrogen (MUN) Values


Introduction

This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and reduce the excretion of nutrients in manure.

The Natural Resources Conservation Service has adopted a practice standard called …

Nutritional Aspects of bST

Introduction

This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and reduce the excretion of nutrients in manure.

Research studies with lactating cows supplemented with bST resulted in increases …

Silage Management Considerations

Introduction

This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and reduce the excretion of nutrients in manure.

The Natural Resources Conservation Service has adopted a practice standard called …

Dry Matter Determination


Introduction

On most animal operations, feed ingredients are provided to animals according to the weight of the feed. Although nutrients in ration formations are often described in terms of a percentage, animals require actual amounts of nutrients. Feeding individual feed ingredients according to weight is only accurate if the moisture content of the feed is the same as it was during the ration formulation period. Changes in the weight of a feed due to changes in moisture alter the nutrient …

Effective Fiber for Dairy Cows


Introduction

This fact sheet has been developed to support the implementation of the Natural Resources Conservation Service Feed Management 592 Practice Standard. The Feed Management 592 Practice Standard was adopted by NRCS in 2003 as another tool to assist with addressing resource concerns on livestock and poultry operations. Feed management can assist with reducing the import of nutrients to the farm and reduce the excretion of nutrients in manure.

With the aim of maintaining normal ruminal pH, fiber digestion …