MEASUREMENT OF 16-ANDROSTENES (5α-ANDROST-16-EN-3-ONE/5α-ANDROST-16-EN-3α-OL) IN SALIVA OF MATURE BOARS OF TWO BREEDS FOLLOWING CASTRATION | Zendy

Daniel L. Grinwich | Zendy; R. L. CLIPLEF | Zendy; Robert M. McKay | Zendy

Open Access

MEASUREMENT OF 16-ANDROSTENES (5α-ANDROST-16-EN-3-ONE/5α-ANDROST-16-EN-3α-OL) IN SALIVA OF MATURE BOARS OF TWO BREEDS FOLLOWING CASTRATION

Author(s) -

Daniel L. Grinwich,

R. L. CLIPLEF,

Robert M. McKay

Publication year - 1988

Publication title -

canadian journal of animal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1918-1825

pISSN - 0008-3984

DOI - 10.4141/cjas88-108

Subject(s) - boar taint , castration , boar , saliva , radioimmunoassay , zoology , biology , endocrinology , medicine , andrology , semen , hormone

Radioimmunoassay (RIA) of salivary C19-delta-16-steroids (16-androstenes) in six Lacombe and seven Yorkshire mature boars (1 wk pre-castration and 12 wk postcastration) plus 13 intact control boars (seven Lacombe and six Yorkshire) was tested as a "noninvasive" method to estimate boar taint in porcine fat. Salivary 16-androstenes (P < 0.05) decreased 4–5 wk after castration, fluctuated over the next 7 wk and were still 27.5% of initial levels by the 12th wk, when boar taint in the fat had decreased to undetectable levels. In conclusion, the RIA measurement of 16-androstenes in saliva is not a reliable indirect method of estimating boar taint levels in fat. Key words: Boar taint, castration, 16-androstenes, salivary steroids

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