Eggs Incubation Period and Hatching Success of the African Giant Land Snail (<i>Archachatina marginata</i>) Swainson in Different Incubation Media

Agbelusi, E.A.; Adeparusi, E. O.

doi:10.1080/09712119.1999.9706231

Journal of Applied Animal Research

1999

DOI: 10.1080/09712119.1999.9706231

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Eggs Incubation Period and Hatching Success of the African Giant Land Snail (Archachatina marginata) Swainson in Different Incubation Media

E.A. Agbelusi

E. O. Adeparusi

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Life History Traits of the Perforate Dome Snail, Ventridens Demissus (Binney, 1843) (Gastropoda: Zonitidae), From Seabrook, Texas

Medellin

Minton

2019

The Texas Journal of Science

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Ventridens demissus is one of over 2,000 species of land snail in the United States and Canada. Like other zonitid snails, the species is small (10 mm in width) with a thin shell; its distribution ranges from the Appalachians to the southwestern Gulf Coast. Like many land snails, little is known about the biology of V. demissus , and its conservation status remains unstudied. Using a population from Seabrook, Texas, the morphology, reproductive behavior, and gut microbes of V. demissus were described in order to broaden the understanding of this land snail species' life history. Shell morphology data were consistent with those reported previously, while the mean shell required 4.6 N to crush. Reproductive behavior was witnessed between a single pair of individuals, who simultaneously probed one another with their dart apparatuses. In the laboratory, V. demissus laid over 300 small (1.5 mm) eggs, and the growth of twenty hatchlings was followed for at least ten weeks. Gut microbes were dominated by Mycoplasma , Paenibacillus , and enteric groups. These data fill in existing gaps regarding the biology of V. demissus . Future studies on the species should include additional populations from across its range, controlled breeding and rearing experiments, and finer-scaled microbial analysis to distinguish between natural gut flora and ingested microbes.

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Life History Traits of the Perforate Dome Snail, Ventridens Demissus (Binney, 1843) (Gastropoda: Zonitidae), From Seabrook, Texas

Medellin

Minton

2019

The Texas Journal of Science

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Factors affecting the hatchability of snail eggs (Archachatina marginata) in the Western Highlands of Cameroon

N.¹,

A.²,

N.³

et al. 2022

Int. J. Livest. Prod.

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A study to investigate the factors affecting hatchability of Archachatina marginata eggs, had 600 eggs collected from snail pens and incubated in treated substrates; moist soil/sawdust mixture (MSD), moist sawdust (MD), moist soil (MSb), dry sawdust (DD) and dry soil (DS) as well as in rearing pens (1 m × 1 m × 0.8 m) containing moist soil (MSp). Results showed that snail egg weights at laying ranged from 250 to 1100 mg (mean of 670±247 mg). Egg lengths and widths ranged from 13.0 to 16.00 mm (mean of 14.88±0.94 mm) and 9.00 -11.00 mm (mean of 10.80±1.02 mm) respectively. Snail egg hatchability in MSD and MD of 64.0±4.8 and 61.5±3.9%, respectively were better (p<0.05) than in MSp (50.5±4.4%) and MSb (45.5±3.5%) among media in which eggs hatched. Dry Incubation media (DS and DD) had 0% hatchability. Best hatchability was between 50 and 70% humidity. Embryonic mortality showed a reverse trend with MSD (36.0±4.8%) and MD (38.5±3.9%) recording significantly lower (p<0.05) values than MSp (49.5±4.4%) and MSb (54.5±3.5%). Incubation temperature ranged from 17 to 20°C and Incubation duration ranging from 22 to 35 days. Correlated analysis revealed a weak significantly (p<0.05) positive relationship (r=0.097) between egg weight and hatchability and a negative relationship (r=-0.234) between egg weight and embryonic mortality. Therefore, snail eggs could be incubated in moist sawdust and moist soil/sawdust mixture with humidity from 50 to 80%, at temperatures ranging from 17 to 20°C and that snail eggs with higher weights are most recommended for incubation.

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Eggs Incubation Period and Hatching Success of the African Giant Land Snail (Archachatina marginata) Swainson in Different Incubation Media

Cited by 2 publications

References 2 publications

Life History Traits of the Perforate Dome Snail, Ventridens Demissus (Binney, 1843) (Gastropoda: Zonitidae), From Seabrook, Texas

Life History Traits of the Perforate Dome Snail, Ventridens Demissus (Binney, 1843) (Gastropoda: Zonitidae), From Seabrook, Texas

Factors affecting the hatchability of snail eggs (Archachatina marginata) in the Western Highlands of Cameroon

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