The method of rapid diagnosis of subclinical mastitis in cows

 

(57) Abstract:

The invention relates to veterinary obstetrics. The method involves mixing for 15...20 with 1 ml of udder secretions and 1 ml of fibromata, consisting of 1 part of 0.5% alcohol solution of bromthymol and 9 parts of a 50% aqueous detergent solution. Accounting reactions lead to formation of jelly and color change of the mixture. The method allows you to quickly, accurately and efficiently diagnose mastitis. 1 PL.

The invention relates to veterinary obstetrics and can be used for rapid detection of hidden forms of mastitis in cows.

Known methods of diagnosis of subclinical mastitis in cows drugs dimaston and mastitis, consisting in the study they received milk, to which is added 1 ml of a 5% solution of dimattina or 2%-aqueous solution of masticina [1, 3]. The milk mixture with the reagent is stirred with a glass rod for 30 to 40 seconds. Reaction take into account the density of the resulting jelly and optionally change its color. Research confirmed settling probe [1, 2].

However, the drug mastitis recommended approved guidelines to combat mastitis cows [3], does not provide a clear contrast color is proizvodstva. Also studies are time-consuming. In addition, the above tests (dimaston, mastitis) contain only one saw sulfinol, which reduces the probability of detecting an increased number of somatic cells.

The aim of the invention is to improve the quality of rapid diagnosis of mastitis and reduce the complexity of the research.

This goal is achieved by the fact that for the diagnosis of subclinical mastitis is a new diagnostic test bromst: reagent with a constant concentration of hydrogen ions (pH), consisting of surfactants and indicators, which are mixed in a certain concentration. For the preparation of diagnostic solution with a constant concentration of hydrogen ions (pH), we have used two components: the surfactants contained in the detergent “Ideal” THAT 2381-001-52407780-01 and powdered indicator bronchiology blue on THE other 6-09-2086-77. The solution was prepared in distilled water with a known concentration of hydrogen ions (pH). For preparation of the reagent on an analytical balance weigh 0.5 g of the indicator, which was dissolved in 100 ml of ethanol. Then prepared a 50% water rahimullah was mixed with 900 ml of 50% aqueous solution of “Ideal”. Then the udder secretions from subjects cows were subjected to study on subclinical mastitis by bromatum. As control served as the sample solution.

The setting reaction is carried out as follows. In each recess milk of the control plate from the corresponding quarter of the udder they milk 1 ml of milk and add 1 ml of the prepared solution bromista from the bottle with a beak. Secret blend of with the reagent mix, horizontally rotating plate for 15 to 20 seconds, and consider the response.

The result of comparative analysis of different methods for diagnosis of subclinical mastitis in the table.

where: PP - right front portion of the udder

PZ - right rear portion of the udder

PL is a left front portion of the udder

LPA - left rear portion of the udder

As can be seen from the table data in the study 400 milk samples of cows with aromasteam positive response to subclinical mastitis was established by us in the 37 samples with 5% dimattina in 32 cases and 28 cases with mastodinon. The data suggests that a high percentage of the detection of cows with mastitis established in the course of Expreview with dimattina and mastodinon reveals respectively 5 and 9% more cows with mastitis, as evidenced by settling probe. The time required for mixing of components is reduced from 30...40 seconds when using dimattina and masticina to 15...20 seconds during the test with aromasteam.

Thus, bromst is more specific, rapid and highly sensitive test. Using the proposed method allows to reduce the time required to carry out diagnostic procedures, to achieve a stable diagnostic effect. In the study of udder secretions of cows offered by way of positive response to subclinical mastitis compared with dimattina and mastodinon reveals respectively 5 and 9% more cows with mastitis, which is confirmed by a break of the assertion.

SOURCES OF INFORMATION

1. Iwakura A. I. System of measures to combat mastitis cows. M: Rosagropromizdat, 1991, 238 S.

2. Motovun Century. And. the Fight against mastitis cows. // Ed. 2nd Rev. and ext. - M.: Kolos, 1974, 254 S.

3. Recommendations to combat mastitis cows. - M.: Agropromizdat, 1985, 15-20 C.

A method for the diagnosis of mastitis in cows, including the exploration of 1 ml of udder secretions, to which was added 1 ml of diagnostic tools, followed by stirring, ova use the reagent, consisting of 1 part of 0.5% alcohol solution of bromthymol and 9 parts of a 50% aqueous detergent solution, and stirring is carried out for 15...20 C.



 

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