Abstract
The blood carotene, Vitamin A and forage carotene values have been presented for Hereford breeding cows grazing on a typical Southern New Mexico range and covers an interval of four and one-half years. The blood carotene of these cows when compared to existing statements of requirements seems to indicate that a Vitamin A deficiency might occur only in case of prolonged drouth or extremely abnormal, conditions. This type of range produces certain plants which usually remain green throughout the fall, winter and spring seasons; these plants seem to have assisted, along with some of the grasses, in providing carotene to meet the requirements of these beef cows.
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Claims 2
Claim · model-written summary
Vitamin A deficiency in breeding cows might occur only under prolonged drought or extremely abnormal conditions.
Verbatim
t0“Carotene Content of Range Forage”
e1“The blood carotene of these cows when compared to existing statements of requirements seems to indicate that a Vitamin A deficiency might occur only in case of prolonged drouth or extremely abnormal, conditions”
Claim · model-written summary
Certain range plants that stay green through fall, winter and spring seem to have helped supply carotene to the cows.
Verbatim
e2“This type of range produces certain plants which usually remain green throughout the fall, winter and spring seasons; these plants seem to have assisted, along with some of the grasses, in providing carotene to meet the requirements of these beef cows”