Results 131 to 140 of about 772 (164)
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Effect of temperature and photoperiod on growth and reproduction of Helix aspersa var. maxima

The Journal of Agricultural Science, 1998
Growth and reproduction of the snail Helix aspersa (Müller) var. maxima were examined at four combinations of temperature and artificial photoperiod and in transparent and opaque containers at two temperatures for over 40 weeks. Effects of temperature on both processes predominated.
S. JESS, R. J. MARKS
openaire   +1 more source

Direct Heritability Estimates for Growth, Carcass and Precocity in Snails Cornu aspersum maximum (Synonym Helix aspersa maxima)

Journal of Animal Breeding and Genetics
ABSTRACTThe aim was to estimate the heritabilities for accumulated weight gain between 60 and 90 days (WG1), 90 and 120 days (WG2) and 120 and 150 days of age (WG3), pre‐slaughter body weight (PRE), meat‐to‐shell ratio (MS), carcass yield (CY) and age at first oviposition (AFO) in a population of snails Cornu aspersum maximum.
Thamires Aparecida Leôncio   +12 more
openaire   +2 more sources

Melatonin and 5-methoxytryptophol (5-ML) in nervous and/or neurosensory structures of a gastropod mollusc (Helix aspersa maxima): synthesis and diurnal rhythms

General and Comparative Endocrinology, 2003
Daily patterns of melatonin and 5-methoxytryptophol (5-ML) concentrations and of aryl alkylamine N-acetyltransferase (AA-NAT) and hydroxyindole-O-methyltransferase (HIOMT) activities have been measured in the cerebroid ganglions, visceral ganglions, and ocular tentacles of the gastropod mollusc Helix aspersa maxima.
A, Blanc   +4 more
openaire   +2 more sources

Influence of diets enriched with different vegetable oils on the fatty acid profiles of snail Helix aspersa maxima

Food Chemistry, 2003
Abstract The proximate analyses and fatty acid profiles of snail (Helix aspersa maxima) muscle submitted to different feedings with diets enriched with 3% of different vegetable oils (canola, soybean, flaxseed, sunflower, maize and rice) were analysed. The lowest value of lipids was in the snail muscle of the treatment enriched with soybean oil.
openaire   +1 more source

Ultradian and circadian rhythmicity of behavioral activities in the young snail Helix aspersa maxima (Gastropoda, Helicidae)

Canadian Journal of Zoology, 1993
The rhythm of behavioral activities was studied in 8- to 100-day-old young snails (Helix aspersa maxima) and compared with that of adults. The animals were individually tested. Locomotor activity made up the main part of the total activity. The temporal distribution of feeding closely matches that of locomotion (involving displacement), while ...
openaire   +1 more source

How the α-helix got its name

Nature Reviews Molecular Cell Biology, 2022
Martin Egli
exaly  

Triple-helix polysaccharides: Formation mechanisms and analytical methods

Carbohydrate Polymers, 2021
Qingbing Guo, Steve W Cui
exaly  

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