3 research outputs found
ΠΠΠ’ΠΠ₯ΠΠΠΠ ΠΠΠΠ¬ΠΠΠ― ΠΠΠ‘Π€Π£ΠΠΠ¦ΠΠ― Π ΠΠΠ’ΠΠΠΠΠ‘Π’Π¬ Π‘ΠΠΠ ΠΠΠ’ΠΠΠΠΠΠΠ ΠΠ«ΠΠΠ
One of the most important indicators of management efficiency of cattle breeding industry, particularly dairy cattle breeding, is the level of herd reproduction. Artificial insemination is widely used in dairy cattle breeding; one bullβs semen may be used to inseminate thousands, and sometimes tens of thousands of cows and heifers. The use of an assisted reproductive technology enables to accelerate genetic progress and improve performance indices. Large-scale breeding requires reliable evaluation of bull quality including reproductive performance indices. Male fertility depends on numerous biotic and abiotic indices; their study, evaluation and adjustment are of great fundamental and applied importance. The research goal was to study the relationship between the ultra-structural elements of sperm and fertility. The research objectives were as following: to make advanced analysis of the frozen-melted semen of servicing bulls; to study mitochondrial dysfunction in sperm cells; to examine the relationship of mitochondrial dysfunction with sperm activity and morphology. It has been found that there is a negative correlation of sperm activity and mitochondrial dysfunction. The correlation coefficient between these indices amounted to r = -0.24. There is a high correlation of occurrence of abnormal sperm cells with dysfunction of mitochondria; the correlation amounts to r = 0.77. The sperm nDNA fragmentation index, depending on the individual characteristics of individuals and on the technological procedures used for cryopreservation and the division by sex, ranged from 0 to 25%.ΠΠ΄Π½ΠΈΠΌ ΠΈΠ· Π²Π°ΠΆΠ½Π΅ΠΉΡΠΈΡ
ΠΈΠ½Π΄ΠΈΠΊΠ°ΡΠΎΡΠΎΠ² ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ Π²Π΅Π΄Π΅Π½ΠΈΡ ΠΎΡΡΠ°ΡΠ»ΠΈ ΡΠΊΠΎΡΠΎΠ²ΠΎΠ΄ΡΡΠ²Π°, ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎ ΠΌΠΎΠ»ΠΎΡΠ½ΠΎΠ³ΠΎ, ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΡΠΎΠ²Π΅Π½Ρ Π²ΠΎΡΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π° ΡΡΠ°Π΄Π°. Π ΠΌΠΎΠ»ΠΎΡΠ½ΠΎΠΌ ΡΠΊΠΎΡΠΎΠ²ΠΎΠ΄ΡΡΠ²Π΅ ΡΠΈΡΠΎΠΊΠΎ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ ΠΈΡΠΊΡΡΡΡΠ²Π΅Π½Π½ΠΎΠ΅ ΠΎΡΠ΅ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅, ΡΠ΅ΠΌΠ΅Π½Π΅ΠΌ ΠΎΠ΄Π½ΠΎΠ³ΠΎ Π±ΡΠΊΠ° ΠΎΡΠ΅ΠΌΠ΅Π½ΡΡΡ ΡΡΡΡΡΠΈ, ΠΈΠ½ΠΎΠ³Π΄Π° Π΄Π°ΠΆΠ΅ Π΄Π΅ΡΡΡΠΊΠΈ ΡΡΡΡΡ ΠΊΠΎΡΠΎΠ² ΠΈ ΡΠ΅Π»ΠΎΠΊ. ΠΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΡΠΏΠΎΠΌΠΎΠ³Π°ΡΠ΅Π»ΡΠ½ΠΎΠΉ ΡΠ΅ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΠΎΠΉ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΡΡΠΊΠΎΡΠΈΡΡ Π³Π΅Π½Π΅ΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΏΡΠΎΠ³ΡΠ΅ΡΡ, ΡΠ»ΡΡΡΠΈΡΡ ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΡΠ΅ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΠΈ. ΠΡΡΠΏΠ½ΠΎΠΌΠ°ΡΡΡΠ°Π±Π½Π°Ρ ΡΠ΅Π»Π΅ΠΊΡΠΈΡ ΡΡΠ΅Π±ΡΠ΅Ρ Π΄ΠΎΡΡΠΎΠ²Π΅ΡΠ½ΠΎΠΉ ΠΎΡΠ΅Π½ΠΊΠΈ ΠΊΠ°ΡΠ΅ΡΡΠ²Π° Π±ΡΠΊΠΎΠ²-ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»Π΅ΠΉ, Π² ΡΠΎΠΌ ΡΠΈΡΠ»Π΅ ΠΈ ΠΏΠΎ ΡΠ΅ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΡΠΌ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΠΌ. Π€Π΅ΡΡΠΈΠ»ΡΠ½ΠΎΡΡΡ ΡΠ°ΠΌΡΠΎΠ² Π·Π°Π²ΠΈΡΠΈΡ ΠΎΡ ΠΌΠ½ΠΎΠ³ΠΎΡΠΈΡΠ»Π΅Π½Π½ΡΡ
Π±ΠΈΠΎΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ Π°Π±ΠΈΠΎΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Π΅ΠΉ, ΠΈΡ
ΠΈΠ·ΡΡΠ΅Π½ΠΈΠ΅, ΠΎΡΠ΅Π½ΠΊΠ° ΠΈ ΠΊΠΎΡΡΠ΅ΠΊΡΠΈΡΠΎΠ²ΠΊΠ° ΠΈΠΌΠ΅ΡΡ Π±ΠΎΠ»ΡΡΠΎΠ΅ ΡΡΠ½Π΄Π°ΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎΠ΅ ΠΈ ΠΏΡΠΈΠΊΠ»Π°Π΄Π½ΠΎΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅. ΠΡΠ½ΠΎΠ²Π½Π°Ρ ΡΠ΅Π»Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ Π·Π°ΠΊΠ»ΡΡΠ°Π΅ΡΡΡ Π² ΠΈΠ·ΡΡΠ΅Π½ΠΈΠΈ Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·ΠΈ ΡΠ»ΡΡΡΠ°ΡΡΡΡΠΊΡΡΡΠ½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ² ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄ΠΎΠ² Ρ ΡΠ΅ΡΡΠΈΠ»ΡΠ½ΠΎΡΡΡΡ. Π Π·Π°Π΄Π°ΡΠΈ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ Π²Ρ
ΠΎΠ΄ΠΈΠ»ΠΎ: ΠΏΡΠΎΠ²Π΅ΡΡΠΈ ΡΠ°ΡΡΠΈΡΠ΅Π½Π½ΡΡ ΡΠΏΠ΅ΡΠΌΠΎΠ³ΡΠ°ΠΌΠΌΡ Π·Π°ΠΌΠΎΡΠΎΠΆΠ΅Π½Π½ΠΎ-ΠΎΡΡΠ°ΡΠ½Π½ΠΎΠΉ ΡΠΏΠ΅ΡΠΌΡ Π±ΡΠΊΠΎΠ²-ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»Π΅ΠΉ; ΠΈΠ·ΡΡΠΈΡΡ ΠΌΠΈΡΠΎΡ
ΠΎΠ½Π΄ΡΠΈΠ°Π»ΡΠ½ΡΡ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΡ Π² ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄Π°Ρ
, Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·Ρ ΠΌΠΈΡΠΎΡ
ΠΎΠ½Π΄ΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΠΈ ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄ΠΎΠ² Ρ ΠΈΡ
Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡΡ ΠΈ ΠΌΠΎΡΡΠΎΠ»ΠΎΠ³ΠΈΠ΅ΠΉ. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡΠΌΠΈ ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΡΡΡΠ΅ΡΡΠ²ΡΠ΅Ρ ΠΎΡΡΠΈΡΠ°ΡΠ΅Π»ΡΠ½Π°Ρ ΠΊΠΎΡΡΠ΅Π»ΡΡΠΈΡ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄ΠΎΠ² cΠΌΠΈΡΠΎΡ
ΠΎΠ½Π΄ΠΈΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΠ΅ΠΉ. ΠΠΎΡΡΡΠΈΡΠΈΠ΅Π½Ρ ΠΊΠΎΡΡΠ΅Π»ΡΡΠΈΠΈ ΠΌΠ΅ΠΆΠ΄Ρ ΡΡΠΈΠΌΠΈ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΠΌΠΈ ΡΠΎΡΡΠ°Π²ΠΈΠ» r=-0,24. ΠΠΌΠ΅Π΅ΡΡΡ Π²ΡΡΠΎΠΊΠ°Ρ Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·Ρ Π²ΡΡΡΠ΅ΡΠ°Π΅ΠΌΠΎΡΡΠΈ Π°Π½ΠΎΡΠΌΠ°Π»ΡΠ½ΡΡ
ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄ΠΎΠ² Ρ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΠ΅ΠΉ ΠΌΠΈΡΠΎΡ
ΠΎΠ½Π΄ΡΠΈΠΈ, ΠΊΠΎΡΡΠ΅Π»ΡΡΠΈΠΎΠ½Π½Π°Ρ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΡ ΡΠΎΡΡΠ°Π²Π»ΡΠ΅Ρ r=0,77. ΠΠ½Π΄Π΅ΠΊΡ ΡΡΠ°Π³ΠΌΠ΅Π½ΡΠ°ΡΠΈΠΈ ΡΠΠΠ Π² Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΎΡ ΠΈΠ½Π΄ΠΈΠ²ΠΈΠ΄ΡΠ°Π»ΡΠ½ΠΎΠΉ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ ΠΎΡΠΎΠ±Π΅ΠΉ ΠΈ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΎΡΠ΅Π΄ΡΡ, ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΠΌΡΡ
ΠΏΡΠΈ ΠΊΡΠΈΠΎΠΊΠΎΠ½ΡΠ΅ΡΠ²Π°ΡΠΈΠΈ ΠΈ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΠΈ ΠΏΠΎ ΠΏΠΎΠ»Ρ, Π²Π°ΡΡΠΈΡΠΎΠ²Π°Π» 0 Π΄ΠΎ 25%
ΠΠΠ’ΠΠ₯ΠΠΠΠ ΠΠΠΠ¬ΠΠΠ― ΠΠΠ‘Π€Π£ΠΠΠ¦ΠΠ― Π ΠΠΠ’ΠΠΠΠΠ‘Π’Π¬ Π‘ΠΠΠ ΠΠΠ’ΠΠΠΠΠΠΠ ΠΠ«ΠΠΠ
One of the most important indicators of management efficiency of cattle breeding industry, particularly dairy cattle breeding, is the level of herd reproduction. Artificial insemination is widely used in dairy cattle breeding; one bullβs semen may be used to inseminate thousands, and sometimes tens of thousands of cows and heifers. The use of an assisted reproductive technology enables to accelerate genetic progress and improve performance indices. Large-scale breeding requires reliable evaluation of bull quality including reproductive performance indices. Male fertility depends on numerous biotic and abiotic indices; their study, evaluation and adjustment are of great fundamental and applied importance. The research goal was to study the relationship between the ultra-structural elements of sperm and fertility. The research objectives were as following: to make advanced analysis of the frozen-melted semen of servicing bulls; to study mitochondrial dysfunction in sperm cells; to examine the relationship of mitochondrial dysfunction with sperm activity and morphology. It has been found that there is a negative correlation of sperm activity and mitochondrial dysfunction. The correlation coefficient between these indices amounted to r = -0.24. There is a high correlation of occurrence of abnormal sperm cells with dysfunction of mitochondria; the correlation amounts to r = 0.77. The sperm nDNA fragmentation index, depending on the individual characteristics of individuals and on the technological procedures used for cryopreservation and the division by sex, ranged from 0 to 25%.ΠΠ΄Π½ΠΈΠΌ ΠΈΠ· Π²Π°ΠΆΠ½Π΅ΠΉΡΠΈΡ
ΠΈΠ½Π΄ΠΈΠΊΠ°ΡΠΎΡΠΎΠ² ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ Π²Π΅Π΄Π΅Π½ΠΈΡ ΠΎΡΡΠ°ΡΠ»ΠΈ ΡΠΊΠΎΡΠΎΠ²ΠΎΠ΄ΡΡΠ²Π°, ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎ ΠΌΠΎΠ»ΠΎΡΠ½ΠΎΠ³ΠΎ, ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΡΠΎΠ²Π΅Π½Ρ Π²ΠΎΡΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π° ΡΡΠ°Π΄Π°. Π ΠΌΠΎΠ»ΠΎΡΠ½ΠΎΠΌ ΡΠΊΠΎΡΠΎΠ²ΠΎΠ΄ΡΡΠ²Π΅ ΡΠΈΡΠΎΠΊΠΎ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ ΠΈΡΠΊΡΡΡΡΠ²Π΅Π½Π½ΠΎΠ΅ ΠΎΡΠ΅ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅, ΡΠ΅ΠΌΠ΅Π½Π΅ΠΌ ΠΎΠ΄Π½ΠΎΠ³ΠΎ Π±ΡΠΊΠ° ΠΎΡΠ΅ΠΌΠ΅Π½ΡΡΡ ΡΡΡΡΡΠΈ, ΠΈΠ½ΠΎΠ³Π΄Π° Π΄Π°ΠΆΠ΅ Π΄Π΅ΡΡΡΠΊΠΈ ΡΡΡΡΡ ΠΊΠΎΡΠΎΠ² ΠΈ ΡΠ΅Π»ΠΎΠΊ. ΠΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΡΠΏΠΎΠΌΠΎΠ³Π°ΡΠ΅Π»ΡΠ½ΠΎΠΉ ΡΠ΅ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΠΎΠΉ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΡΡΠΊΠΎΡΠΈΡΡ Π³Π΅Π½Π΅ΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΏΡΠΎΠ³ΡΠ΅ΡΡ, ΡΠ»ΡΡΡΠΈΡΡ ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΡΠ΅ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΠΈ. ΠΡΡΠΏΠ½ΠΎΠΌΠ°ΡΡΡΠ°Π±Π½Π°Ρ ΡΠ΅Π»Π΅ΠΊΡΠΈΡ ΡΡΠ΅Π±ΡΠ΅Ρ Π΄ΠΎΡΡΠΎΠ²Π΅ΡΠ½ΠΎΠΉ ΠΎΡΠ΅Π½ΠΊΠΈ ΠΊΠ°ΡΠ΅ΡΡΠ²Π° Π±ΡΠΊΠΎΠ²-ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»Π΅ΠΉ, Π² ΡΠΎΠΌ ΡΠΈΡΠ»Π΅ ΠΈ ΠΏΠΎ ΡΠ΅ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΡΠΌ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΠΌ. Π€Π΅ΡΡΠΈΠ»ΡΠ½ΠΎΡΡΡ ΡΠ°ΠΌΡΠΎΠ² Π·Π°Π²ΠΈΡΠΈΡ ΠΎΡ ΠΌΠ½ΠΎΠ³ΠΎΡΠΈΡΠ»Π΅Π½Π½ΡΡ
Π±ΠΈΠΎΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ Π°Π±ΠΈΠΎΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Π΅ΠΉ, ΠΈΡ
ΠΈΠ·ΡΡΠ΅Π½ΠΈΠ΅, ΠΎΡΠ΅Π½ΠΊΠ° ΠΈ ΠΊΠΎΡΡΠ΅ΠΊΡΠΈΡΠΎΠ²ΠΊΠ° ΠΈΠΌΠ΅ΡΡ Π±ΠΎΠ»ΡΡΠΎΠ΅ ΡΡΠ½Π΄Π°ΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎΠ΅ ΠΈ ΠΏΡΠΈΠΊΠ»Π°Π΄Π½ΠΎΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅. ΠΡΠ½ΠΎΠ²Π½Π°Ρ ΡΠ΅Π»Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ Π·Π°ΠΊΠ»ΡΡΠ°Π΅ΡΡΡ Π² ΠΈΠ·ΡΡΠ΅Π½ΠΈΠΈ Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·ΠΈ ΡΠ»ΡΡΡΠ°ΡΡΡΡΠΊΡΡΡΠ½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ² ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄ΠΎΠ² Ρ ΡΠ΅ΡΡΠΈΠ»ΡΠ½ΠΎΡΡΡΡ. Π Π·Π°Π΄Π°ΡΠΈ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ Π²Ρ
ΠΎΠ΄ΠΈΠ»ΠΎ: ΠΏΡΠΎΠ²Π΅ΡΡΠΈ ΡΠ°ΡΡΠΈΡΠ΅Π½Π½ΡΡ ΡΠΏΠ΅ΡΠΌΠΎΠ³ΡΠ°ΠΌΠΌΡ Π·Π°ΠΌΠΎΡΠΎΠΆΠ΅Π½Π½ΠΎ-ΠΎΡΡΠ°ΡΠ½Π½ΠΎΠΉ ΡΠΏΠ΅ΡΠΌΡ Π±ΡΠΊΠΎΠ²-ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»Π΅ΠΉ; ΠΈΠ·ΡΡΠΈΡΡ ΠΌΠΈΡΠΎΡ
ΠΎΠ½Π΄ΡΠΈΠ°Π»ΡΠ½ΡΡ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΡ Π² ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄Π°Ρ
, Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·Ρ ΠΌΠΈΡΠΎΡ
ΠΎΠ½Π΄ΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΠΈ ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄ΠΎΠ² Ρ ΠΈΡ
Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡΡ ΠΈ ΠΌΠΎΡΡΠΎΠ»ΠΎΠ³ΠΈΠ΅ΠΉ. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡΠΌΠΈ ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΡΡΡΠ΅ΡΡΠ²ΡΠ΅Ρ ΠΎΡΡΠΈΡΠ°ΡΠ΅Π»ΡΠ½Π°Ρ ΠΊΠΎΡΡΠ΅Π»ΡΡΠΈΡ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈ ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄ΠΎΠ² cΠΌΠΈΡΠΎΡ
ΠΎΠ½Π΄ΠΈΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΠ΅ΠΉ. ΠΠΎΡΡΡΠΈΡΠΈΠ΅Π½Ρ ΠΊΠΎΡΡΠ΅Π»ΡΡΠΈΠΈ ΠΌΠ΅ΠΆΠ΄Ρ ΡΡΠΈΠΌΠΈ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΠΌΠΈ ΡΠΎΡΡΠ°Π²ΠΈΠ» r=-0,24. ΠΠΌΠ΅Π΅ΡΡΡ Π²ΡΡΠΎΠΊΠ°Ρ Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·Ρ Π²ΡΡΡΠ΅ΡΠ°Π΅ΠΌΠΎΡΡΠΈ Π°Π½ΠΎΡΠΌΠ°Π»ΡΠ½ΡΡ
ΡΠΏΠ΅ΡΠΌΠ°ΡΠΎΠ·ΠΎΠΈΠ΄ΠΎΠ² Ρ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΠ΅ΠΉ ΠΌΠΈΡΠΎΡ
ΠΎΠ½Π΄ΡΠΈΠΈ, ΠΊΠΎΡΡΠ΅Π»ΡΡΠΈΠΎΠ½Π½Π°Ρ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΡ ΡΠΎΡΡΠ°Π²Π»ΡΠ΅Ρ r=0,77. ΠΠ½Π΄Π΅ΠΊΡ ΡΡΠ°Π³ΠΌΠ΅Π½ΡΠ°ΡΠΈΠΈ ΡΠΠΠ Π² Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΎΡ ΠΈΠ½Π΄ΠΈΠ²ΠΈΠ΄ΡΠ°Π»ΡΠ½ΠΎΠΉ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ ΠΎΡΠΎΠ±Π΅ΠΉ ΠΈ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΎΡΠ΅Π΄ΡΡ, ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΠΌΡΡ
ΠΏΡΠΈ ΠΊΡΠΈΠΎΠΊΠΎΠ½ΡΠ΅ΡΠ²Π°ΡΠΈΠΈ ΠΈ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΠΈ ΠΏΠΎ ΠΏΠΎΠ»Ρ, Π²Π°ΡΡΠΈΡΠΎΠ²Π°Π» 0 Π΄ΠΎ 25%