Effect of Three Calcium:Phosphorus Ratios on Performance of Growing Holstein Steers

R. E. Ricketts; J. R. Campbell; D. E. Weinman; M. E. Tumbleson

doi:10.3168/jds.S0022-0302(70)86315-9

Effect of Three Calcium:Phosphorus Ratios on Performance of Growing Holstein Steers

R. E. Ricketts, J. R. Campbell, D. E. Weinman, M. E. Tumbleson

Research output: Contribution to journal › Article › peer-review

Abstract

Dietary Ca/P ratios of 1:1, 4:1, and 8:1 were studied in 30 Holstein steers in a 168-day split plot in time and space experiment. A factorial arrangement among feed intakes and Ca/P ratios existed at each time period. Animals receiving the 8:1 Ca/P ratio diets gained less daily than the 1:1 and 4:1 groups. Animals fed the 1:1 Ca/P ratio diets had higher serum inorganic phosphorus, lower serum calcium, and a narrower serum Ca/P ratio than those fed the 4:1 and 8:1 diets. There were no adverse effects on average daily gain and feed efficiency from feeding the 4:1 Ca/P ratio diet.

Original language	English (US)
Pages (from-to)	898-903
Number of pages	6
Journal	Journal of Dairy Science
Volume	53
Issue number	7
DOIs	https://doi.org/10.3168/jds.S0022-0302(70)86315-9
State	Published - 1970
Externally published	Yes

ASJC Scopus subject areas

Food Science
Animal Science and Zoology
Genetics

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10.3168/jds.S0022-0302(70)86315-9

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abstract = "Dietary Ca/P ratios of 1:1, 4:1, and 8:1 were studied in 30 Holstein steers in a 168-day split plot in time and space experiment. A factorial arrangement among feed intakes and Ca/P ratios existed at each time period. Animals receiving the 8:1 Ca/P ratio diets gained less daily than the 1:1 and 4:1 groups. Animals fed the 1:1 Ca/P ratio diets had higher serum inorganic phosphorus, lower serum calcium, and a narrower serum Ca/P ratio than those fed the 4:1 and 8:1 diets. There were no adverse effects on average daily gain and feed efficiency from feeding the 4:1 Ca/P ratio diet.",

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AU - Ricketts, R. E.

AU - Campbell, J. R.

AU - Weinman, D. E.

AU - Tumbleson, M. E.

PY - 1970

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AB - Dietary Ca/P ratios of 1:1, 4:1, and 8:1 were studied in 30 Holstein steers in a 168-day split plot in time and space experiment. A factorial arrangement among feed intakes and Ca/P ratios existed at each time period. Animals receiving the 8:1 Ca/P ratio diets gained less daily than the 1:1 and 4:1 groups. Animals fed the 1:1 Ca/P ratio diets had higher serum inorganic phosphorus, lower serum calcium, and a narrower serum Ca/P ratio than those fed the 4:1 and 8:1 diets. There were no adverse effects on average daily gain and feed efficiency from feeding the 4:1 Ca/P ratio diet.

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Effect of Three Calcium:Phosphorus Ratios on Performance of Growing Holstein Steers

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