Expert Reports

These reports are unique, authoritative expert evaluations. Each report is produced by a committee of experts selected by the Academy to address a particular statement of task and is subject to a rigorous, independent peer review.

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Showing results 1 - 5 of 66

Genetically Engineered Crops: Experiences and Prospects (2016)

Since their introduction in the mid-1990s, genetically engineered (GE) crops have been the topic of much debate. This report reviews evidence accumulated from experiences on the most widely grown GE crops to date: herbicide-resistant and insect-resistant varieties of maize, soybean, and cotton. While recognizing the inherent difficulty of detecting subtle or long-term effects on health or the environment, the study committee found n... More >>

Report in Brief

Nutrient Requirements of Beef Cattle: Eighth Revised Edition (2016)

Updating nutrient requirements and recommendations last made in 2000, this report is a comprehensive review of the most recent information available on beef cattle nutrition and ingredient composition for efficient, profitable, and environmentally conscious beef production. In addition to a thorough and current evaluation of the literature on the energy and nutrient requirements of beef in all stages of life, this volume includes information o... More >>

A Review of the Landscape Conservation Cooperatives (2015)

This report reviews the Landscape Conservation Cooperatives Network, which was initiated by the Department of the Interior and aims to address the widely recognized national need for a landscape approach to conservation. The Network includes 22 regional cooperatives tasked to build partnerships that facilitate collaborations across jurisdictional boundaries, develop shared priorities and common science needs, and create conservation strategie... More >>

Report in Brief

Critical Role of Animal Science Research in Food Security and Sustainability (2015)

By 2050 the world's population is projected to grow by one-third, reaching between 9 and 10 billion. With globalization and expected growth in global affluence, a substantial increase in per capita meat, dairy, and fish consumption is also anticipated. The demand for calories from animal products will nearly double, highlighting the critical importance of the world's animal agriculture system. Meeting the nutritional needs of this population an... More >>

Review of Proposals to the Bureau of Land Management on Wild Horse and Burro Sterilization or Contraception: A Letter Report (2015)

Evidence suggests that wild horse and burro populations are growing by 15 to 20 percent each year, a level that is unsustainable for maintaining healthy horse populations and healthy ecosystems. The most effective fertility control drugs available can reduce population growth rate only if delivered every one to three years to the majority of equids on the range. Both procuring or manufacturing the contraceptives and rounding up the animals fo... More >>