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MALACOLOGY: polychromatic SERIES RETURN WITH SHELLS

today I would bring this line an interesting site for those that are in addition to the snail Malacology fans which is the branch of zoology in charge of studying the part of the Malacology moluscos.Una the conchology, deals with the study of shelled molluscs.
the page in question is the corner of malacologist . The species we are dealing with us is Helix aspersa Müller and displayed in this catalog to 12 shells of what is called polychromatic Series.

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FORMULA FEED ANNUAL CALENDAR

For those interested in feeding the spiral created this entry in order to give information. The link comes from Zootecnocampo and it is a worksheet to calculate the substances and the proportion of feed used in snails. The form belongs to Dr. Rosa Baca (one of the key figures in the world of Heliciculture). This is the link: http://www.zoetecnocampo.com/Documentos/helix/dietas_analisis.xls Source: Zootecnocampo.

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SNAILS BREEDING SNAILS SNAILS

snail farming calendar has a helicicultor all should be clear to systematize their production and achieve satisfactory results. They are divided into four stages, namely preparation parks, consisting of planting (or seeding) of clover or plants to grow, the input fry to be held when the vegetation has a minimum height of 40 cm. The fattening itself to be held for 3 / 4 months in spring and will extend 5 / 6 months last winter and marketing snail.

Here we present a table of the work to be done annually:



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NUTRITION

We bring to our blog one of the more interesting articles on food and nutrition of snails. This is a infimación offered by the Agricultural Engineer E. Marcelo Garcia Cañuelas INTA Buenos Aires. We recommend a careful reading and detailed in the article to get all the juice. The illustrations and pictures (graphics) are not wasted.

http://www.inta.gov.ar/ediciones/idia/alt/caracol02.pdf

Information is waste.

Source: idiaXXI

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THE "SPEED" OF HOW

The slowness of the snail, along with some other species, is a known fact. His fame has earned the hard way, it goes at a speed of between 2.8 and 13 millimeters per second, a thousand times smaller than that of men, to step. This gastropod mollusk moves through a series of wavelike muscular contractions that cover the underside of the foot. Land snails secrete a mucus that helps them glide. The foot of the animal, that is, its only visible part, moves in a complex that allows continuous improvement. Thus, the snail, slowly but surely can walk everywhere defying the laws of gravity.

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SNAILS SNAILS MOVING?

A research conducted by the University Carlos III of Madrid (UC3M), in collaboration with the University of California at San Diego and Stanford University, both in the U.S., suggests that the shift key of shells lies in the complex muscular movements of the animal, not the slime, as suspected so far. This finding may open the door to building robots that mimic this form of propulsion.

so far known to snails and slugs move your body spreading a series of muscular waves that move from tail to head, but know the importance of saliva in this process. The conclusions drawn following the study, published in the Journal of Experimental Biology is that the properties of this fluid are not essential for propulsion.

For research, scientists have characterized the muscle wave propagation taking place in the body of gastropods by snails and slugs to move on transparent surfaces while lighting up your belly in different ways to record images using digital cameras. Subsequently, they analyzed all these data computer and reconstructed the 3D shape of the belly during propulsion.

The surprise of snail movement very well reflected in a phrase he wrote in the 80's a professor of biology at Stanford University named Mark W. Denny: "How can an animal with one foot walking on glue?". And is that the slime is highly adhesive, which allows some advantages, such as climbing walls or moving through the roof. Moreover, as anyone who has had a snail in your hand, do not exert force to move forward on specific items, like animals with legs, but rather a relatively low force distributed over a large area. "What which also happens is that it is difficult to move on without putting glue plus remarkable strength to drag fluid, "said Javier Rodriguez, Professor, Department of Thermal Engineering and Fluid UC3M. The snails, over millions of years evolution, have made travel on a highly adhesive substance avoiding these drawbacks.

This type of research can help the design of biomimetic robots that perform functions that can not play other conventional mills. Some Japanese researchers, for example, pose use this mechanism to propel the shell to advance an endoscope inside the human body (trachea, intestines, etc), using the film of mucus that usually covers these ducts. "This mechanism generates a smooth distribution of power rather than relying on specific points, which would reduce the irritation caused by the displacement of the endoscope, in this case," added Rodriguez.

SOURCE:

UC3M

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HOW COME A SNAIL?

What eats a snail day?. Surely you asked. In the food It all depends, of course, the weight of it, but as a general rule, taking into account the weight of an adult is 8 grams, the amount of feed recommended for each animal for the different stages is as follows: Period

child ....... 0.05 gr. / snail per day
Youth Phase ............. 0.10 gr. / snail per day fattening phase
0.15 g ........ / snail per day
reproductive stage ... 0.20 gr. / snail per day

Source: Rural Watershed

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A DAY IN THE LIFE OF A SNAIL: DAILY HABITS

The daily habits of a snail, if environmental conditions are appropriate for him, are always the same.

during the day because your body is permeable to try to prevent the loss of water is sheltered from the sun's heat and light being buried in wet areas, among the leaves or in shaded sites.
When the sun sets, about six hours after sunset, with the coolness of the night, when the shell becomes active, he left his refuge, start looking for food (this food is always sought in a different place of resting place) or is engaged in egg laying and mating. At the end of the night, when it begins to dawn, especially in humid or rainy morning also advantage to the snail feeding, though it does to a lesser extent during the night.
Later, with the first rays of sun returns to the haven of rest going back into an idle state. Their movements are usually a maximum of about 10 m2, made no movements usually involving a greater distance. As you can see the snail is an animal essentially nocturnal and crepuscular during the day devoted to rest.

Source:
rural Basin

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THE "RUN" THE CONSTRUCTION OF A

The snail, like all animals, need water to survive because their bodies are made up by 80% by this element. The snail continually loses water through evaporation has, production of slime (almost 90% of it is water) or metabolic rate. To rehydrate the drinking water snail ingested either through food or through direct hydration of your body that is permeable. This permeability can bring a number of additional problems, because if for any reason remain in a place where there is too much fluid is a risk of drowning or dying from dropsy (water is filled with tissue).

helicícolas holdings in irrigation is a very to take into account in the daily work and one of the keys to success in cría.Así recommended:

1) The parks are to be watered very carefully, for it is advisable to use sprinklers.
2) It is important that the irrigation is carried out for a few minutes, avoiding the puddle water parks.
3) It is recommended that watering operations late in the afternoon when the snail begins its activity. It is to avoid further watering at other times of the day because if we did this would induce the snail to start before, and this activity is harmful.
4) If the power is based on the use of feed is recommended watering parks and immediately fill the feeders for food.
5) There shall be at watering when the weather is very dry or wet conditions are not appropriate.

Needless to say, that water should be fit for animal consumption and free of heavy materials.

Based on the following bibliographic sources: Hernán

López.Helicicultura rural Basin (snail farming)

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SNAILS SNAIL FARM: BREED

The facilities for the production of shells requires a series of structures for carrying out the fattening of the animal. First, you must find a site that should be as flat as possible and with good drainage to avoid encharcamientos.Esta facility must have running water and electricity . Then should perimeter fence with a metal fence .

may then be sitema opt for breeding in the greenhouse or outdoors:

• If you opt for the hothouse breeding system will require a structure (greenhouse ) and covering the structure shade screen (40 / 70 %) and a drip system mist.



• If you choose the second option, that is, by snail breeding outdoors will be convenient to use corrugated galvanized around the perimeter to keep out predators.

Once that is done, continue to the next step, of the definition of the parks or box-recommended having a width of 2-3 meters and a length not exceeding 50 m-in parallel lines. Will be placed irrigation sprinkler . Each park or housing will be built using antritrips mesh, corrugated iron and galvanized wire.

In the center of each park or drawer will be placed called support for flags made based corrugated steel along with the flags built of mesh of 105-130 anti-weed grs/m2 (also used to prevent weeds in the aisles) and PVC pipes. Finally
placed leak proof system based fat and salt.

SNAIL FARM "THE HELICICULTOR" AVAILABLE TO ANY OF THE MATERIALS NECESRARIOS ASSEMBLY OF THE OPERATION. FOR MORE INFORMATION CLICK ON THE FOLLOWING LINK. Http://elhelicicultor.blogspot.com/p/precios-materiales-granja.html

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Continue demonstrations against rising

have returned hundreds of Santiago to protest against the increases that were imposed on Monday in the Passenger Transport System (PTS).

In a further act of protest became the new user up to hundreds of Transantiago developed from Ahumada c / Alameda to the Plaza de Armas in the capital.

this time took the word union (Cristián Cuevas on behalf of the CUT), the Pensioners (Sergio Troncoso on behalf of the CUPEMCHI), the Councillors Claudia Pascual (Santiago) and Tamara Homel (Pudahuel), the latter as coordinator of the Committees of Members of the Metropolitan Region and Camilo Ballestero (Fe USACH President, on behalf of students).

All speakers agreed to invite the audience to recreate the user committees in the communes and cash them becoming citizens against Upgrades Committees, that every time that authorities have relativized any attempt to stop increases under the guise of the international situation, particularly with having to do with the Middle East.

In the immediate, Transantiago Users Committee convenes to be in "State of Alert" and feel called to Ahumada Alameda on the same day that "eventually" raise the cost of the ticket. This, without prejudice to any calls regarding potential increases that are just beginning.

Users Committee

Transantiago