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Ruminant Nutrition and Forage Utilization
Asian-Australasian Journal of Animal Sciences 1996;9(5): 525-532.
DOI: https://doi.org/10.5713/ajas.1996.525    Published online October 1, 1996.
A study on the mineral status of beef and dairy cattle and buffalo in central thailand
H. Kumagai, S. Swasdiphanich, P. Prucsasri, S. Yimmongkol, B. Rengsirikul, P. Thammageeratiwong
Abstract
Nutritional status of minerals of beef and dairy cattle and buffalo in central Thailand were investigated by evaluating the mineral concentrations in feedstuff and blood plasma of animals. Three crossbred beef cow herds, a native cow herd, a buffalo female ferd and 3 dairy cattle herds which consisted of the ferds of lactating cows, dry cows and heifers were studied in both rainy and hot seasons. Low Na concentrations(<0.07% on a dry matter basis) in pasture samples from the fields for a cross bred beef cow were observed. Copper concentrations in all the pasture samples ranged from 3.7 to 13.5 mg/kg. Iron and Se concentration in pasture samples had a wide variety ranging from 185 to 1,345 and 0.033 to 1.127 mg/kg, respectively. The concentrations of K, Ca, Mg, P, Zn and Mn in total diets were higher than the requirements for beef and dairy cattle. Some animals with subnormal plasma Cu concentrations(<0.65 關g/ml) existed in each herd. The animals which showed subnormal plasma Se concentrations(<0.03 關g/ml) were observed in beef cow herds. The concentrations of Ca, Mg and Zn in plasma of animals were normal. Attention should be paid to the deficiencies in Na, Cu and Se of the animals in central Thailand.
Keywords: Cattle; Buffalo; Mineral Status; Central Thailand


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