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#ู‚ู†ุงุฉ_ุงู„ุทุจูŠุจ_ุงู„ุจูŠุทุฑูŠ ๐Ÿฉต
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ุงู‡ู„ุง ูˆุณู‡ู„ุง ุจุฌู…ูŠุน ุงู„ุฒู…ู„ุงุก ููŠ ู‚ู†ุงุชู‡ู… ู†ุฃู…ู„ ุงู† ุชุฌุฏูˆ ูƒู„ ู…ุงุชุญุชุงุฌูˆู† ุงู„ูŠู‡ ู‡ู†ุง.
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ุฑุณุงุฆู„ูƒู… ุงู„ู…ุฌู‡ูˆู„ุฉ: https://tellonym.me/x_95a
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ู‡ุฐุง ุงู„ูƒุชุงุจ ูŠุญุชูˆูŠ ุนู„ู‰ ุงู„ุงู…ุฑุงุถ ุงู„ู…ุนุฏูŠู‡ ูˆุงู„ุงุฏูˆูŠู‡ ูˆุงู„ู„ู‚ุงุญุงุช ููŠ ุงู„ูƒู„ุงุจ ูˆุงู„ู‚ุทุท.
โค1
ู‡ุฐุง ูŠุญุชูˆูŠ ุนู„ู‰ ุงู„ุงู…ุฑุงุถ ุงู„ุบูŠุฑ ู…ุนุฏูŠู‡ ููŠ ุงู„ูƒู„ุงุจ ูˆุงู„ู‚ุทุท. ุทุจ ุจุงุทู†ูŠ
ุงู‡ู„ุง ุฏูƒุชูˆุฑ/ุฉ ๐ŸŒบ
ู‡ุฐุง ุงู„ู…ู„ู ูŠุญุชูˆูŠ ุนู„ู‰ ุงู„ู…ุณุจุจุงุช ุงู„ู…ุฑุถูŠู‡ ู„ู„ุงุฌู‡ุงุถ ููŠ ุงู„ุงุจู‚ุงุฑ. ุงู„ุจูƒุชูŠุฑูŠู‡ ูˆุงู„ูุงูŠุฑูˆุณูŠู‡ ูˆุงู„ูุทุฑูŠู‡... ู…ุฑุชุจ ุญุณุจ ุงู„ู…ุณุจุจ _ ูˆู‚ุช ุงู„ุงุตุงุจู‡ _ ุดุฏุฉ ุงู„ุงุตุงุจู‡_ ูˆุงู„ุชุบูŠูŠุฑุงุช ุนู„ู‰ ุงู„ู…ุดูŠู…ุฉ ูˆุงู„ุฌู†ูŠู†
The oestrus cycle in cattle
โŽProestrus

๐Ÿ”บDay 17-20

๐Ÿ”บregression of the corpus luteum of the previous cycle and drop in the progesterone concentrations in circulation.
๐Ÿ”บthe dominant follicle is selected and grows producing increasing amounts of oestradiol.

๐Ÿ”บIn late proestrus, the influence of oestrogens on the reproductive tract and behaviour of the cow can be observed.
โŽOestrus

๐Ÿ”บTraditionally considered as day 0 of a new cycle The dominant follicle reaches its maximum growth, matures and ovulates.
๐Ÿ”บOvulation takes place approximately 30h after the onset of oestrus and after the behavioural signs of oestrus have ceased.

๐Ÿ”บOvulation is induced by high LH concentrations (preovulatory LH peak).
๐Ÿ”บOestrus is also called heat and lasts on average 4-24 hours. During oestrus the cow/heifer is receptive to a bull and stands for mating (standing heat).

๐Ÿ”บBehavioural signs of oestrus are due to the influence of oestrogens:

๐Ÿ”นrestlessness
๐Ÿ”นdrop in milk production
๐Ÿ”นstanding to be mounted
๐Ÿ”นpresence of clear mucus
๐Ÿ”นswelling and reddening of vulva
โŽMetoestrus

๐Ÿ”บDay 2-4

๐Ÿ”บoestrus ends
๐Ÿ”บa corpus luteum (CL) is formed
๐Ÿ”บprogesterone levels in circulation begin to rise
๐Ÿ”บMetoestrus bleeding:
During this time a phenomenon known as โ€œmetoestrus bleedingโ€ occurs in approx. 90% of heifers and not more than 45% of cows. Patches and streaks of blood are seen in the vaginal mucus staining the tail and perineum.
Remember: the presence of blood in the mucus is not an indication of conception or a failure to conceive.
โŽDioestrus

๐Ÿ”บDay 5-17

๐Ÿ”บperiod of maximum corpus luteum size and function
high levels of progesterone in circulation at the end of dioestrus, luteolysis of the corpus luteum begin
ุงุญุชุจุงุณ ุงู„ู…ุดูŠู…ุฉ Retention of the placenta


ู‡ูˆ ุชุฃุฎุฑ ุฎุฑูˆุฌ ุงู„ุฃุบุดูŠุฉ ุงู„ุฌู†ูŠู†ูŠุฉ ุฎู„ุงู„ ุงู„ู…ุฑุญู„ุฉ ุงู„ุซุงู„ุซุฉ ู…ู† ุงู„ูˆู„ุงุฏุฉ. ูŠูƒุซุฑ ุญุฏูˆุซู‡ุง ููŠ ุงู„ุฃุจู‚ุงุฑ ูˆุงู„ุฃุบู†ุงู… ูˆูŠู†ุฏุฑ ููŠ ุงู„ุฅุจู„.

โŽ ุงู„ุฃุณุจุงุจ

๐Ÿ”บ1- ุถุนู ุนุถู„ุงุช ุงู„ุฑุญู… (ุงู„ุทู„ู‚) ู†ุชูŠุฌุฉ ู„ุณูˆุก ุงู„ุชุบุฐูŠุฉ: (ู†ู‚ุต ููŠุชุงู…ูŠู† ุฃ ูŠุคุฏูŠ ู„ุงุญุชุจุงุณ ุงู„ู…ุดูŠู…ุฉ ูˆุงู„ุฅุฌู‡ุงุถ)ุŒ ู†ู‚ุต ุงู„ู‡ุฑู…ูˆู†ุงุช: (ู†ู‚ุต ุงู„ุจุฑูˆุฌุณุชุฑูˆู† ูŠุคุฏูŠ ู„ู„ูˆู„ุงุฏุฉ ุงู„ู…ุจูƒุฑุฉ ูˆุงุญุชุจุงุณ
ุงู„ู…ุดูŠู…ุฉุŒ ู‚ู„ุฉ ุงู„ุงุณุชุฑูˆุฌูŠู† ููŠ ุงู„ูุชุฑุฉ ุงู„ุฃุฎูŠุฑุฉ ู…ู† ุงู„ุญู…ู„ ู‚ุฏ ูŠุณุจุจ ุงุญุชุจุงุณ ุงู„ู…ุดูŠู…ุฉ).

๐Ÿ”บ2- ุงู„ุชูˆุงุก ุงู„ุฑุญู… ูˆุญุงู„ุงุช ุนุณุฑ ุงู„ูˆู„ุงุฏุฉ ุงู„ุฃุฎุฑู‰.

๐Ÿ”บ3- ุชู‚ุฏู… ุงู„ุนู…ุฑ ูˆุงู„ุณู…ู†ุฉ ุงู„ุฒุงุฆุฏุฉ.

๐Ÿ”บ4- ุงู„ุชุตุงู‚ ุงู„ู…ุดูŠู…ุฉ ุจุจุทุงู†ุฉ ุงู„ุฑุญู… ู†ุชูŠุฌุฉ ู„ู„ุฃู…ุฑุงุถ ุงู„ุชู†ุงุณู„ูŠุฉ ู…ุซู„ ุงู„ุจุฑูˆุณูŠู„ุง.

๐Ÿ”บ5- ูˆุฌูˆุฏ ุนูˆุงุฆู‚ ุจุงู„ู‚ู†ุงุฉ ุงู„ุชู†ุงุณู„ูŠุฉ ู…ุซู„ ุงู„ุฃูˆุฑุงู… ูˆุงู†ู‚ู„ุงุจ ุงู„ู…ุซุงู†ุฉ ุฃูˆ ุงู„ู…ู‡ุจู„.

โŽ ุงู„ู†ุชุงุฆุฌ :

๐Ÿ”นุชุฃุฎุฑ ุงุฑุชุฏุงุฏ ุงู„ุฑุญู….
๐Ÿ”นุงู„ุชู‡ุงุจ ุจุทุงู†ุฉ ุงู„ุฑุญู… ุงู„ู…ุฒู…ู†.
๐Ÿ”นุงู†ุฎูุงุถ ู…ุณุชูˆูŠ ุฅู†ุชุงุฌ ุงู„ุญู„ูŠุจ ุฎู„ุงู„ ูุชุฑุฉ ุงู„ุฅุตุงุจุฉ.

โŽ ุงู„ุนู„ุงุฌ : Treatment

๐Ÿ”บ1- ุฅุฒุงู„ุฉ ุงู„ู…ุดูŠู…ุฉ ุจุงู„ูŠุฏ Manual removal

๐Ÿ”นุงู„ุทุฑูŠู‚ุฉ : ุชู„ู ุงู„ุฃุฌุฒุงุก ุงู„ุฎุงุฑุฌุฉ ู…ู† ุนู†ู‚ ุงู„ุฑุญู… ุนู„ู‰ ุดูƒู„ ุญุจู„ ูˆุชู…ุณูƒ ุจุงู„ูŠุฏ ุงู„ูŠุณุฑู‰ ูˆุชุชุงุจุน ุงู„ู…ุดูŠู…ุฉ ุฏุงุฎู„ูŠุง ุจุงู„ูŠุฏ ุงู„ูŠู…ู†ู‰ ุฅู„ู‰ ู…ูƒุงู† ุงุชุตุงู„ ุงู„ูู„ู‚ุงุช ุจุงู„ู…ุดูŠู…ุฉ ุญูŠุซ ูŠู…ูƒู† ุชุฎู„ูŠุต ุงู„ูู„ู‚ุงุช ูˆุงุญุฏุฉ
ุชู„ูˆ ุงู„ุฃุฎุฑู‰ ู…ุน ุงู„ุณุญุจ ุงู„ุชุฏุฑูŠุฌูŠ ู„ู„ู…ุดูŠู…ุฉ ุจุงู„ูŠุฏ ุงู„ูŠุณุฑู‰.
๐Ÿ”ธุงุณุชุนู…ุงู„ ุงู„ู‚ูˆุฉ ูŠุคุฏูŠ ุฅู„ู‰ ุงู„ู†ุฒู ู†ุชูŠุฌุฉ ู‚ุทุน ุงู„ูู„ู‚ุงุช.
๐Ÿ”ธูŠู…ูƒู† ุชุฃุฌูŠู„ู‡ุง ุฅู„ู‰ ุงู„ูŠูˆู… ุงู„ุซุงู„ุซ ุฅุฐุง ุชุนุฐุฑุช ููŠ ุงู„ูŠูˆู… ุงู„ุฃูˆู„ ุฃูˆ ุงู„ุซุงู†ูŠ ุญูŠุซ ุชุชุญู„ู„ ุฃู†ุณุฌุฉ ุงู„ู…ุดูŠู…ุฉ
ุจุนุฏ ุงู„ูŠูˆู… ุงู„ุซุงู„ุซ ูˆูŠุณู‡ู„ ุฅุฎุฑุงุฌู‡ุง.
๐Ÿ”ธ ุจุนุฏ ุฅุฒุงู„ุฉ ุงู„ู…ุดูŠู…ุฉ ุจุงู„ูŠุฏุŒ ูŠู…ูƒู† ุนู…ู„ ุบุณูŠู„ ู„ู„ุฑุญู… ุจู…ุญู„ูˆู„ ู…ุทู‡ุฑ ูˆุฅุนุงุฏุฉ ุณุญุจ ุงู„ุณุงุฆู„ ู…ู† ุงู„ุฑุญู…
ูˆุชุณุชุนู…ู„ ู…ุถุงุฏุงุช ุญูŠูˆูŠุฉ (ู„ุจูˆุณ ุฏุงุฎู„ ุงู„ุฑุญู…) .

๐Ÿ”บ2-ุงุฒุงู„ุฉ ุงู„ู…ุดูŠู…ุฉ ุจุงุณุชุฎุฏุงู… ุงู„ุฃุฏูˆูŠุฉ

๐Ÿ”น ูŠู…ูƒู† ุงุณุชุนู…ุงู„ ู‡ุฑู…ูˆู† oxytocin 10mg ุฎู„ุงู„ 24 ุณุงุนุฉ ู…ู† ุงู„ูˆู„ุงุฏุฉ ุงูˆุฑู‡ุฑู…ูˆู† estrogen 20-40 mg
๐Ÿ”นุญู‚ู† ู‡ุฑู…ูˆู† PGF2ฮฑ 10-25 mg ุจุงู„ุนุถู„ ู…ู…ุง ูŠุญูุฒ ุนุถู„ุงุช ุงู„ุฑุญู… ุนู„ู‰ ุงู„ุงู†ู‚ุจุงุถ.
๐Ÿ”นุญู‚ู† ู…ุญุงู„ูŠู„ ุงู„ูƒุงู„ุณูŠูˆู… ุงู„ูˆุฑูŠุฏูŠุฉ Calcium gluconate
๐Ÿ”นู…ุถุงุฏุงุช ุญูŠูˆูŠุฉ
๐Ÿ”ฅ1