JMR – Journal of Molluscan Research

About The Journal of Molluscan Research

The Journal of Molluscan Research (JMR) is a publication of the Nigerian Malacological Society (NMS) covering all aspects of the study of molluscs including systematics, anatomy, physiology, biochemistry, genetics, zoogeography, pathology, parasitology, ecology, nutrition, production, and economical utilization of derivatives of molluscs.

Membership in NMS is open to all persons. Visit the Nigerian Malacological Society’s official website to learn more.

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Latest Articles from the Current Journal Issues

BLOOD GLUCOSE AND CORTISOL CONCENTRATIONS OF WISTAR RATS TREATED WITH SHELL POWDER OF THE THREE DEVELOPMENTAL STAGES OF GIANT AFRICAN LAND SNAILS, ARCHACHATINA MARGINATA

This study examines the effect of Archachatina marginata shell powder on blood glucose and cortisol in wounded Wistar rats, highlighting its glucogenic effects and potential as a natural wound-healing agent.

INFLUENCE OF Archachatina marginata SNAILS’ GROWTH PHASES ON BODY WEIGHTPREDICTIONS USING SIMPLE LINEAR AND QUADRATIC MODELS

This study evaluates body weight predictions in Archachatina marginata across different growth phases, showing that the quadratic model provides higher accuracy, particularly in late growth phases, with aperture length and diagonal length as key predictors.

IMPACT OF EGG SIZE AND EGG WEIGHT ON HATCHABILITY AND GROWTH PERFORMANCE OF ARCHACHATINA MARGINATA SNAILS

This study investigates the impact of egg size and egg weight on the hatchability and growth performance of Archachatina marginata, showing that medium-sized eggs yield the best results for hatchability and juvenile growth.

ASSOCIATIONS WITHIN THE DIFFERENT EGG SIZES AND BETWEEN BODY WEIGHTS AND LINEAR BODY MEASUREMENTS IN Archachatina marginata SNAILS

This study examines the associations between egg traits and body weights in Archachatina marginata snails, highlighting significant correlations that can guide crossbreeding and selection for genetic improvement in snail farming.

CORRELATIONS BETWEEN BODY WEIGHT AND GROWTH TRAITS OF Archachatina marginata SNAILS OFFSPRING AT DIFFERENT AGES

This study examines the correlations between body weight and growth traits in Archachatina marginata offspring. The BO X BS mating group showed the highest correlation values, indicating heterozygote advantage for improved growth and returns in …

DIETARY EFFECT OF RAW BAMBARA GROUNDNUT MEAL ON THE GROWTH PERFORMANCE OF GIANT AFRICAN LAND SNAIL ACHACHATINA MARGINATA

This study investigates the impact of raw Bambara groundnut meal on the growth performance of Archachatina marginata, with a 45% inclusion level showing significant improvements in weight gain, shell length, and carcass yield.

THE EFFECT OF DIETARY INCLUSION OF AZOLLA PINNATA ON THE GROWTH PERFORMANCE OF ARCHACHATINA MARGINATA

This study investigates the impact of Azolla pinnata on the growth performance of Archachatina marginata, showing significant improvements in weight gain and shell size, especially at a 50% inclusion level.

BIO-STUDIES ON EFFECTIVENESS OF BENTH LEAF (Pouzolsia guinnensis) FOR IMPROVED PRODUCTION IN GIANT AFRICAN LAND SNAIL ECOTYPES

This study investigates the effectiveness of Pouzolsia guinnensis as a feed additive for improving fertility, hatchability, and growth traits in giant African land snails, including Achatina achatina and Archachatina marginata strains.

MALACOLOGICALAND PARASITOLOGICAL SURVEY OF FRESHWATER SNAILS COLLECTED IN OJO AREA OF LAGOS, NIGERIA

Explore the malacological and parasitological survey of freshwater snails in Ojo, Lagos, focusing on species like Bulinus truncatus and Pila ovata, and their role as snail vectors. No parasitic infections were found, emphasizing the need …

BIOCHEMICAL COMPOSITION OF COLUMELLAR MUSCLE OF TWO WATER SNAIL SPECIES Pila africana AND Lanistes lybicus

Explore the biochemical composition of Pila africana and Lanistes lybicus columellar muscles, focusing on metabolites and enzyme activity. This study reveals their adaptive physiological functions and offers insights into freshwater snail research.

NUTRITIONAL VALUE OF THE FLESH AND VISCERALL MASS OF TWO WATER SNAIL SPECIES Pila africana AND Lanistes libycus

Discover the nutritional value of Pila africana and Lanistes libycus snails, packed with essential minerals, vitamins, and proteins. This study highlights their importance in rural nutrition as low-fat, high-protein alternatives to traditional meat sources.

EFFECT OF SHELL POWDER OF THE THREE DEVELOPMENTAL STAGES OF GIANT AFRICAN LAND SNAILS Archachatina marginata ON BACTERIAL LOAD OF WOUNDS IN MALE WISTAR RATS

Wound infection is one of the critical factors that delay healing. Shell powders of molluscs have been used to treat wounds in Wistar rats. This paper aimed at assessing the wound healing and antimicrobial potentials …

EFFECTS OF AESTIVATION ON THE BIOCHEMICAL COMPOSITION OF GIANT AFRICAN LAND SNAIL (Archachatina marginata) SLIME

The demand for snail as food and other purposes has promoted snail farming and one of the problems faced by snail farmers is snail aestivation which sometimes led to death of snails.

EFFECTS OF GUAVA LEAF MEAL ON GROWTH PERFORMANCE OF GIANT AFRICAN LAND SNAIL (Archachatina marginata) During Dry Season

Snail has been in used since prehistoric times to complement protein in the diet of human being, however; dry season has negative effects on its production causing retarded in growth rate.

PARASITIC FAUNA OF EDIBLE LAND SNAILS IN SELECTED AREAS OF LAGOS METROPOLIS NIGERIA

African land snails possess economic, nutritive, medicinal and traditional values. However, they have been implicated as hosts and transmitters of certain parasites that pose health risks to humans.

EFFECTS OF DAMAGE ON THE MORPHOMETRICS AND CHEMICAL COMPOSITION OF SHELLS OF FRESHWATER SNAILS, Pila africana and Lanistes lybicus

Snails are soft-bodied animals with a protective shell. Although snail shells help to protect the snail from environmental threats and predators, occasionally the shell is damaged by predatory birds.

RELATIONSHIP BETWEEN THE COLUMELLAR MUSCLE AND COLUMELLAR OF GIANT AFRICAN LAND SNAIL (Archachatina marginata)

The columellar muscles originate from the columellar of the shell, attaching the body parts of snail to the shell and responsible for retraction in coiled gastropods. The attachment of the columellar muscle to the columellar …

SNAIL NUTRITION: THE JOURNEY SO FAR-A REVIEW

Nutrition according to Medicine Libretexts (2019) is the science that interprets the nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.

MALACOLOGICAL SURVEY OF MARKETS IN ANAMBRA STATE: CASE STUDY OF LARGEST MARKETS IN THREE LOCAL GOVERNMENTS

A malacological survey of Anambra State was undertaken using three Local Governments as case studies. Two species of snails (Achatina fulica and Archachatina marginata ) were found to be commonly on sale in most of …

THREATS TO THE SPECIES DIVERSITY AND SUSTAINABLE USE OF EDIBLE LAND SNAILS (GASTROPODA: ACHATINIDAE) IN NIGERIA

There are global challenges to sustainable development; the world is faced with natural resource depletion and adverse impacts of environmental degradation, including desertification, drought, land degradation, and loss of biodiversity (Carr et al., 2013).

NUTRITIONALAND HEAVY METALS COMPOSITION OF FRESHWATER MUSSELS (Aspatharia sinuata, von Marten, 1883) ALONG KAINJI LAKE LOWER BASIN, NIGERIA

This study investigated nutrient compositions and also estimated the extent of heavy metals accumulation in freshwater mussels Aspatharia sinuata tissues collected from Kainji Lake Lower Basin.

ISOLATION AND IDENTIFICATION OF MICROORGANISMS ASSOCIATED WITH THE HAEMOLYMPH OF DIFFERENT GROWTH PHASES OF GIANT AFRICAN LAND SNAIL (Archachatina marginata)

Isolation, determination of microbial load and identification of microorganisms associated with haemolymph of the three stages of development of the giant African land snail Archachatina marginata was investigated in this study.

GROWTH PERFORMANCE OF GIANT AFRICAN LAND SNAIL (Archachatina marginata) FED VARYING DIETARY PROTEIN AND ENERGY LEVEL

A 10-weeks study was conducted to determine the effect of varying dietary protein and energy levels on performance of growing giant African land snail (GALS), Archachatina marginata. One hundred and forty-four snails with mean weight …

EFFECT OF SHORT-TERM AESTIVATION DURATION ON STRESS AND REPRODUCTIVE HORMONES OF GIANT AFRICAN LAND SNAIL, Archachatina marginata

Snails are cold-blooded animals with soft body consisting of outer shell known as exoskeleton. Climatic conditions leading to changes in the environmental parameters such as temperature and humidity create physiological and biochemical adjustments, during this …

GROWTH AND COST BENEFITS OF GROWING SNAILS FED DIET CONTAINING DIFFERENT LEVELS OF PROTEIN WITH THE SAME ENERGY LEVEL

The study was carried out to determine the growth performance and cost implications of feeding snails with different protein levels at the same energy level. A total of 150 snails of the same weight and …

CONVENTIONAL AND UNCONVENTIONAL FEEDS IN SNAIL NUTRITION: A REVIEW

Feeding is one of the major factors affecting snail growth, egg production, and attainment of early maturity. Snails have been described as nocturnal that feed mainly in the night, at dusk, or by day when …

EFFECT OF SITE OF COLLECTION AND LIVEWEIGHT ON HEMOLYMPH VOLUME AND SURVIVAL OF ARCHACHATINA MARGINATA

A study was conducted on the development of methodologies for lethal and non-lethal hemolymph collection in the giant African land snail (Archachatina marginata).

WOUND HEALING EFFECT OF SHELL POWDERS OF THE DIFFERENT DEVELOPMENTAL STAGES OF GIANT AFRICAN LAND SNAILS (ARCHACHATINA MARGINATA) ON ALBINO WISTER RATS

Wound healing is the process of repair that follows injury to the skin and other soft tissues. Giant African land snail parts are useful in the treatment of diseases like anemia, hypertension, labor pain, constipation, …

BIOCHEMICAL AND STRUCTURAL ANALYSES OF ALBUMEN GLAND OF THREE DEVELOPMENTAL STAGES OF GIANT AFRICAN LAND SNAIL, Archachatina marginata

The albumen gland of giant African land snails (GALS) is an elongated, tongue-like shaped organ that contains the fertilization chamber where the ova are fertilized and very rich in nutrients for embryo development.

IMPACT OF SNAIL SIZE ON REPRODUCTION AS AN ASPECT OF BREEDING AND MANAGEMENT OF GIANT AFRICAN LAND SNAILS: A REVIEW

[metadata element="custom_fields" ] ABSTRACT This paper reviewed the “impact of snail size on reproduction as an aspect of breeding and management of giant African land snails” in Nigeria. From the review, it could be stated …

EFFECTS OF STARVATION ON MINERAL CONTENT OF HAEMOLYMPH AND PROXIMATE AND LIPID PROFILE OF FOOT MUSCLE OF GIANT AFRICAN LAND SNAIL, ARCHACHATINA MARGINATA

Unfavourable environmental conditions such as extreme dryness expose snails to acute starvation. This study investigated the effects of starvation on the mineral profile of the haemolymph and lipid profile of foot muscle in the giant …

GROWTH PERFORMANCE AND CARCASS YIELD OF GROWER SNAIL (Archachatina marginata) FED MAIZE CHAFF AND PAWPAW FRUIT

The effect of the nutrient composition of maize chaff and pawpaw fruit-based diets on growth performance and carcass yield of giant African land snail (GALS) was investigated. The feeding trial was for 56 days. A …

PERFORMANCE AND CARCASS CHARACTERISTICS OF GROWER SNAILS (Archachatina marginata) FED DIFFERENT PROTEIN SOURCES AT VARYING LEVELS OF INCLUSION

This study was conducted to determine the effect of different protein sources: Soya bean meal (SBM), Groundnut cake (GNC) and Cotton seed meal (CSM) and their dietary levels on growth performance and carcass quality of …

INFLUENCE OF MATERNAL SIZE ON REPRODUCTIVE AND GROWTH TRAITS OF Archachatinamarginata SNAILS IN CALABAR, NIGERIA

This research provides information on the influence of maternal size on reproductive and growth traits of Archachatinamarginata snails from three body weight ranges – large maternal size (444 – 564 g, Treatment 1), medium maternal …

DETERMINATION OF ENZYME ACTIVITIES IN THE GUT OF TWO FRESH WATER SNAILS (pila africana and Lanistes lybicus)

Digestive enzymes activity of gut region of two fresh water snails (Pila africana and Lanistes lybicus) was studied in the Laboratory. Snails were thoroughly cleaned, the digestive tract regions were exposed and dissected.

SNAIL: THE WEALTH IN THE TROPICS: A REVIEW

This review emphasized the prospect of snail production as a means of generating wealth in Nigeria, especially now that unemployment is on the increase. After the Coronavirus disease 2019 (COVID 19) lockdown, the price of …