In the production of beef in the US market animals use ___% of the total feed energy
Answer: 30%
ANSC
- During which stage of production are TOTAL net energy req. of beef cows the HIGHEST
- Which of the following would have the HIGHEST maintenance energy req.
- Replacement heifers that are managed to produce their first calf t 2 years of age should weigh ___% of their mature body size at the START OF BREEDING SEASON
- For feedstuffs classified as carbonaceous concentrates, which is true
- Proper application of fertilizer to forage crops will result in
- The moisture concentration of forage must be reduced to approximately __% higher in order to successfully store the forage as hay
- As the stage of maturity forage feedstuffs increase, the harvest yield will ______ and the neutral detergent fiber concentration will _____
- Which MICRO minerals will most likely to be deficient in grazing beef cows
- Which is a macro mineral that is typically found in LOW concentrations in carbonaceous concentrate feedstuffs
- Which class of beef cattle will have the HIGHEST net energy req. for growth
- Which are vitamins that need to be supplemented to beef cows consuming moderate quality grass hay
- Which macro mineral may be detrimental to beef cows is the concentration in forages is too high
- Coastal hay harvested in april will be [higher or lower] in digestibility, and will have a [higher or lower] ratio of TDN:CP compared to coastal hay harvested in may
- Carbonaceous concentrates have a LOWER concentrations of _______ and HIGHER concentrations of ______ compared to carbonaceous roughages
- Which beef production systems would require that steers be harvested at a heavier slaughter weight in order to achieve similar quality grade beef
- For which forage toxicity is 3-methylindole the causative agent
- Which cereal grain will have the HIGHEST crude fiber concentration and LOWEST in metabolizable energy value
- Which forage is associated with toxicity caused by a fungus that grows on mature seed heads
- Which feed has the highest % crude protein
- A deficiency of ____ during late gestation will impair passive immune transfer in the newborn calf, thus increasing the likelihood that the calf will be more susceptible to disease
- which is true for feedstuffs classified as proteinaceous roughages
- Which feedstuffs are classified as proteinaceous roughages
- Which will NOT affect the protein req.in beef cows
- Which is classified as a proteinaceous concentrate, and has the HIGHEST concentration of essential amino acids