Livestock Evaluation #2

What major concern does the European Union have about importing American beef?

• Resistant strains of bacteria from subtherapeutic drugs
• Hormone residue from implants
• Environmental impact of antibiotic use
• None of the answers listed

If hormone implants use were banned in the United States the expected drop in the amount of beef produced has been estimated to be how much?

• 13 percent
• 2 percent
• 40 percent
• 60 percent

Hormones are said to improve rate of gain by ten percent and feed efficiency by six to eight percent in cattle when delivered as feed additive or by what other means?

• Implant
• Intravenously
• In water supply
• None of the answers listed

Melengestrol Acetate(MGA) is a synthetic hormone similar to progesterone that improves rate of gain and feed efficiency during the fattening of heifers mainly because MGA accomplishes what?

• Heat suppression
• Establishes a pregnancy
• Increases appetite
• Improves microbial population

What type of cattle should not typically receive most implants?

• All of the answers listed
• Animals kept for breeding purposes
• Replacing heifers
• Young bull calves

What hormone implant has been approved for use with feedlot lambs but not for ewes or replacement stock?

• Ralgro
• Synovex-L
• Finaplix-H
• None of the answers listed

Current detailed information on feed additive use and regulations may be found in what publication by the Miller Publishing Company?

• Feed additive compendium
• Feed additive emporium
• Medicating ingredient brochure
• None of the answers listed

When keeping good records to avoid feed contamination and drug residue issues which of the following is not a major point of information?

• Storage temperature for batch
• Date of batch mixing
• Location of batch storage
• Mixing order and amount of medication added

It is feared that the continuous low level subtherapeutic use of antibiotics might result in the development of what potential health concern?

• Bacterial resistance to drugs
• Human resistance to drugs
• All of the answers listed
• None of the answers listed

Livestock feeds that contain more than 18 percent crude fiber when dry are considered what?

• Roughages
• Silage
• Concentrates
• None of the answers listed