RU1787401C - Method for regulating mink reproduction function - Google Patents

Method for regulating mink reproduction function

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Publication number
RU1787401C
RU1787401C SU904806463A SU4806463A RU1787401C RU 1787401 C RU1787401 C RU 1787401C SU 904806463 A SU904806463 A SU 904806463A SU 4806463 A SU4806463 A SU 4806463A RU 1787401 C RU1787401 C RU 1787401C
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RU
Russia
Prior art keywords
regulating
females
mink
mating
group
Prior art date
Application number
SU904806463A
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Russian (ru)
Inventor
Олег Леонидович Рапопорт
Владимир Георгиевич Бернацкий
Виктор Дмитриевич Чепрасов
Original Assignee
Научно-исследовательский институт пушного звероводства и кролиководства им.В.А.Афанасьева
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Application filed by Научно-исследовательский институт пушного звероводства и кролиководства им.В.А.Афанасьева filed Critical Научно-исследовательский институт пушного звероводства и кролиководства им.В.А.Афанасьева
Priority to SU904806463A priority Critical patent/RU1787401C/en
Application granted granted Critical
Publication of RU1787401C publication Critical patent/RU1787401C/en

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  • Indole Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Description

гоне. Один самец произвел одно спаривание , один - 2-4 самца от 4-х до 9 спариваний . В ill группе покрылось самок, первое спаривание регистрируют 14 окт бр . В гоне участвовало 3 самца (по 1-5 спариваний). У 2-х самцов IV группы отмечена полова  активность, они покрыли 4-х самок II группы .rut. One male made one mating, one - 2-4 males from 4 to 9 mating. In the ill group, the females were covered, the first mating was recorded on 14 Oct br. 3 males took part in the rut (1-5 mating each). In 2 males of group IV, sexual activity was noted; they covered 4 females of group II.

При забое после спаривани  семи самок II группы (но брь) в  ичниках обнаруже- ны желтые тела, свидетельствующие о прошедшей овул ции.During the slaughter after mating of seven females of group II (but), yellow bodies were found in the ovaries, indicating the past ovulation.

В придатках семенников самцов II и III групп, забитых после спаривани , обнаружены зрелые активные сперматозоиды, тог- да как у самцов IV группы они отсутствуют, как и у самцов I и V групп, размер семенников которых характерен дл  периода анэст- рус.In the appendages of the testes of males of the II and III groups, clogged after mating, mature active spermatozoa were found, whereas in the males of the IV group they are absent, as in the males of the I and V groups, the size of the testes of which is characteristic for the period of anesthesia.

В таблице приведены данные по опло- дотвор емости и щенению норок в зависимости от дозы препарата и длительности светового дн ,The table shows the data on fertility and pupation of minks depending on the dose of the drug and the duration of daylight hours,

Из таблицы видно, что у 4-х самок II и III группы, содержащихс  при естественном освещении имплантаций не наступило (оплодотворени ), пропустовали и две самки (IIThe table shows that in 4 females of group II and III contained in the natural light implantation did not occur (fertilization), two females missed (II

гр.), оставленные дл  щенени . Из трех самок , содержащихс  при дополнительном освещении , эмбрионы обнаружены у одной самки (111 гр,, 13 часов).gr.) reserved for whelping. Of the three females contained under additional illumination, embryos were detected in one female (111 g, 13 hours).

Из шести самок II группы с длительностью освещени  в 13 час. ощенилось п ть, из п ти самок этой же группы при 15-часовом освещении - три. Принесли щенков и две самки III группы, содержавшиес  при 13- и 15-часовом режиме освещеи . Величина пометов колебалась от 4 до 11 щенков и была близка к щенению в естественные сроки (4, 6). Отклонений в состо нии и развитии щенков не наблюдалось.Of the six females of group II with a light duration of 13 hours. out of five females of the same group under 15-hour illumination - three. Puppies and two females of group III were brought in. They were kept at a 13- and 15-hour light regime. The size of litters ranged from 4 to 11 puppies and was close to pupping in natural terms (4, 6). Deviations in the state and development of the puppies were not observed.

Claims (1)

Формула изобретени  Способ регул ции воспроизводительной функции у норок, включающий содержание самок при искуственно регулируемом световом дне, отличающийс  тем, что, с целью получени  второго приплода, норкам после щенени  имплантируют подкожно полимерные капсулы, содержащие 5,0-7,5 мг мелатонина и 0,5-0,75 мг гестоген ацетат мегестрола, при по влении признаков охоты провод т спаривание и после покрыти  содержат при длине светового дн  13-14 ч всут.SUMMARY OF THE INVENTION A method for regulating reproductive function in minks, comprising keeping females under artificially regulated daylight hours, characterized in that, in order to obtain a second offspring, polymer capsules containing 5.0-7.5 mg of melatonin and 0 , 5-0.75 mg gestogen acetate of megestrol, when signs of hunting appear, mating is carried out and after coating they are contained at a light day length of 13-14 hours. Вли ние дозы препарата и длительности светового дн  на оподотвор емость норокThe effect of the dose of the drug and the duration of daylight on the feasibility of minks
SU904806463A 1990-02-09 1990-02-09 Method for regulating mink reproduction function RU1787401C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU904806463A RU1787401C (en) 1990-02-09 1990-02-09 Method for regulating mink reproduction function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU904806463A RU1787401C (en) 1990-02-09 1990-02-09 Method for regulating mink reproduction function

Publications (1)

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RU1787401C true RU1787401C (en) 1993-01-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104938418A (en) * 2015-06-30 2015-09-30 中国农业大学 Method for increasing litter size of multiparous animals
CN112715475A (en) * 2020-12-28 2021-04-30 无锡珊瑚礁生物科技有限公司 Method for improving farrowing rate of ferrets

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104938418A (en) * 2015-06-30 2015-09-30 中国农业大学 Method for increasing litter size of multiparous animals
CN112715475A (en) * 2020-12-28 2021-04-30 无锡珊瑚礁生物科技有限公司 Method for improving farrowing rate of ferrets
CN112715475B (en) * 2020-12-28 2023-11-24 无锡珊瑚礁生物科技有限公司 Method for improving farrowing rate of ferrets

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