With all the buzz over questions about whether antibiotics fed to animals raised for food cause human antibiotic resistance, it seems apparent that this issue is at the forefront of consumer concerns. As well, we received the questions, “Why are antibiotics fed to livestock inside CAFOs or feedlots? Is this dangerous to humans?” from http://www.fooddialogues.com/. To address the topic, and as a follow up to our previous posts on the subject, we asked experts Dr. Peter Davies and Dr. H. Scott Hurd to respond.
As the year winds down, we'd like to thank all of our readers for taking time to learn more about our food system. We appreciate your comments and questions! We'd also like to thank our food system experts for providing their thoughts and expertise throughout the year.
In the post, Hormones in Milk: Are They Causing Early Puberty in Girls, we wondered, what is causing early maturity in girls? Based on what Dr. Ann Macrina indicated, it could be any of several factors.
One of our readers, Dan, asked for clarification from Dr. Macrina: "Dr. Macrina indicated it could be any of several factors – better nourishment, higher body weight and some even suggest exposure to chemicals. Does Dr. Macrina mean chemicals like pesticides and herbicides?"
Food has gotten more and more expensive over the last several years and protein sources seem to be some of the fastest increasing items. Even one of the most affordable protein sources – eggs – has seen an increase in price. Along with the general increases across the board, there’s plenty of chatter regarding the price differences for eggs produced in different types of housing systems.
Expert information about the Dirty Dozen list from the Environmental Working Group that lists pesticide residues in fruits and veggies.
Experts discuss the differences between grass fed and grain fed beef.
Experts discuss the question of the association between hormones in dairy products and early puberty in girls.
The amount of antibiotics given to animals raised for food is a concern to many. Are they being over-used? Is this overuse creating antibiotic resistant superbugs in our families?
Dr. Ruth MacDonald addresses whether those with gluten intolerance, or Celiac disease, can eat meat from grain-fed animals without having an allergic reaction.
Expert feedback regarding inquiry from mom wondering about how hormones in food may be affecting her children.
Three experts, Dr. Patricia Hester, Dr. Ed Pajor and Dr. Emily Patterson-Kane, answer the question, "Is the well-being of farm animals on larger operations disregarded in the pursuit of higher profits?"
Dr. Gebreyes answers the question: "Is food from organic and free-range farm animals safer than animals raised in modern confinement operations?"
Dr. John Comerford, associate professor and extension beef specialist in the Department of Dairy and Animal Science at Penn State University, explains nutritional differences between beef from grain-fed and grass-fed cattle.