SU1435230A1 - Method of preserving corpses of animals - Google Patents

Abstract

The invention relates to fodder production, to methods for preserving corpses for making bone meal from them. The purpose of the invention is to increase the storage time of corpse raw materials, reducing the cost of the preservative, its toxicity when exposed to people. The bodies of animals (without SKUR) are treated with a preservative solution of the following composition,% by weight: hexamethylenetetramine 1.5-2.0; hydrochloric or sulfuric acid 0.4-0.6; water the rest. Animal carcasses preserved by the proposed method can be stored in summer for up to 1.5 months. The proposed preservative is less toxic due to the slow release of formaldehyde. 1 tabl;

Description

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The invention relates to fodder production, to methods of preserving corpses for the preparation of flour meal. The purpose of the invention is to increase the storage time of cadaveric raw materials, reduce the cost of preservative, its toxicity when exposed to people. I Example 1. To obtain the proposed composition of 1.5 kg of hexamethylenetetramine (GCA) was dissolved with stirring in 20 liters of tap water, in another container 0.5 kg of hydrochloric or sulfuric acid was dissolved in 10 liters of water. Both solutions (HMTA and acid) were inserted into a container with 50 l of water, then the solution was brought to a volume of 100 l and stirred.

Example 2. To obtain the proposed composition, 1 kg HMTA was dissolved with stirring in 20 liters of tap water, in another container 0.5 kg of hydrochloric or sulfuric acid was dissolved in 10 liters of water. Both of these solutions (HMTA and acid) were drunk into a container with 50 l of water, then the solution was brought to a volume of 100 l and stirred.

Example 3. To obtain the proposed composition, 2 kg of HMTA was dissolved in a 20 l liter tap water, 0j5 kg of hydrochloric or sulfuric acid was dissolved in 10 l of WATER in another container. Both solutions (HMTA and acid) were poured into a container with 50 l of water, then the solution was brought to a volume of too l and stirred. j Optimal preservation results showed formulations containing | t ,, 5-2 wt.% hexamethylene tetranin. The optimal concentrations of sulfuric and: hydrochloric acids were determined from the following invix examples

 Example 4. For the preparation of compounds, solutions of HMTA in water (1.5 and 2 wt.%) Were prepared and 0.4 wt.% Hydrochloric or sulfuric acid was added to them. Example 5. 0 was added to content s as in example 4 , 5 wt.% Hydrochloric or sulfuric acid.

Example 6. To the compositions of Example 4 were added 0.6% by weight of hydrochloric and sulfuric acid.

The optimal preservative results in Example 4-6 were obtained by adding 0.5 wt.% Acid to 1.5 to 2 wt.% Solutions of HMTA in water.

The preservation of animal carcasses was carried out as follows.

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The skin was removed from the corpse, and the carcass (entirely or dissected) with internal organs was immersed in a preservative solution in a ratio of 1: 1-1: 2 by weight of the cadaveric material and preservative, so that the material was completely covered with a preservative.

For preservation, corpses of sheep and cows with a time elapsed from the time of death of 2–3 days were used.

The cadaveric material is placed in metal containers with a capacity of 250 liters, painted from the inside with oil paint, and stored under a layer of preservative at a temperature of 20-23 o.

The material is conserved in container 1 in a solution containing 2 wt.% HMTA with 0.5 wt.% Hydrochloric acid, 80 kg, in a container 2 in a solution containing 1.5 wt.% HMTA and O, 5. hydrochloric acid , 100 kg, in a plastic bag in a solution containing 2 wt.% HMTA and wt.% Hydrochloric acid, 15 kg.

In a commission check of the condition of the preserved cadaveric material, it has been established that the smell of decomposition is absent; baby - the fabric on the cut is pale pink, elastic, the pattern of fiber fibers is pronounced; the integrity of the internal organs and intestinal, is not broken; the intestinal wall is strong enough to collapse; liver darkened, mkka; elastic buds; on the section, the border between the medulla and cortical layers is expressed.

Animal carcasses; preserved by the proposed method can be stored in the summer for up to 1.5 months; the shelf life of animal corpses, when processed with known preservatives, is 7–10 days; the shelf life of the corpse raw material is prolonged by combining two bactericidal action, and 1. SILF, which enhances the effect of it.

Reducing the toxicity of the preservative for people working with the botanical cadavers, preserved by chemical composition, is achieved due to the gradual release of toxic formaldehyde from the HMTA solution when sulfuric or hydrochloric acid is added to it. When conducting production tests, the work is carried out without the use of respiratory protective equipment. In addition, the proposed preservative cheaper in comparison with the known.

The comparative cost of chemical preservatives of different composition is given in the table.

Claims (1)

Invention Formula The method of preserving animal carcasses by treating them with a preservative, characterized in that, in order to increase the storage time Activated HMTA Solution GMTA (tech.) 35 Serna 09 or hydrochloric acid 10 Editor A. Kozoriz Compiled by G.Mazaeva Tehred M.Didyk Order 5579/4 Circulation 549 VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow; Zh-35, Raushsk nab. 4/5 neither cadaveric raw materials, reducing the cost of the preservative, its toxicity when exposed to people, use an aqueous solution of hexamethylenetetramine and hydrochloric or sulfuric acid as a preservative, and they will be selected in a ratio, wt.%: Hexamethylenetetramine 1.5-2.0 Sol on or chamois acid0.4-0.6 WaterEverything 20 7 rub. 545 cop. 550 kopecks Proofreader E. Lonchakova Subscription