作者: Robert J. Pierce , Thomas E. Wissing , Jan G. Jaworski , Richard N. Givens , Bernard A. Megrey
DOI: 10.1577/1548-8659(1980)109<611:ESAUPO>2.0.CO;2
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摘要: Abstract Seasonal changes in dry body weight and caloric lipid contents were studied ages 0 I II gizzard shad (Dorosoma cepedianum) 1973 1974, respectively. Dry increases best described by second third order polynomial equations, with maximum values occurring late autumn. Data on indicated a period of rapid storage summer early Declines average weight, calories, lipids occurred during the winter months. The intensity fattening process was greater age-I fish than fish. highest (30% weight) calories (6,909 cal/g ash-free observed 16 November 20 1973, Lipid reserves mobilized over-wintering and, age-II fish, reproductive cycle. Energy may also be utilized for maintenance growth when reductions occur ava...