Biomedical subjects
J M Booth
Publications and source records attributed to J M Booth.
Plasma oestrone sulphate and progesterone concentrations in cows and ewes associated with fetal death and abortion.
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The evaluation of a new rapid milk progesterone test as an aid to improving dairy herd fertility.
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Update on mastitis. I. Control measures in England and Wales. How have they influenced incidence and aetiology?
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Somatic cell counts of ewes' milk.
The somatic cell counts of ewes' milk were determined by an electronic particle counter (Coulter Counter). Of 1408 apparently normal milk samples, 98.2% had a somatic cell count lower than 1.0 x 10(6) cells/ml and 85.8% of 254 bacteriologically positive samples had a count higher than 1.0 x 10(6) cells/ml. Values exceeding 1.0 x 10(6) cells/ml are indicative of subclinical mastitis, if samples were collected from clinically healthy mammary glands.
Measurement of progesterone levels in whole and fore-milk from dairy cows.
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Radioimmunoassay of progesterone in milk: development of techniques for large-scale use as a test of pregnancy.
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Use of the milk progesterone test for pregnancy determination.
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The establishment and operation of a central laboratory for pregnancy testing in cows.
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Possible antibiotic contamination of milk.
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