Herbal Post-Calving Uterine Recovery System
Calvonil is a pure Ayurvedic uterine recovery system for livestock — built for the biological stage after calving or uterine infection treatment where the uterus remains internally compromised even after the visible crisis has passed. After delivery, the uterus must cleanse itself, repair its lining, restore its muscular tone, and re-establish the hormonal rhythm that governs the next reproductive cycle. Without systematic support at this stage, retained discharge, incomplete tissue repair, and hormonal instability silently set the foundation for repeat breeding, irregular heat cycles, and persistent reproductive failure.
The cow calved. The treatment is done. The animal is eating and producing. But something is not right with the reproduction. The next heat is late. Or the heat comes but the animal does not conceive. Or there is still discharge — sometimes foul-smelling, sometimes just persistent.
What the farmer is watching is a uterus that has not completed its biological recovery. What he may not realise is that this incomplete recovery will cost him the next pregnancy.
The uterus at delivery must do four things simultaneously — expel all retained fluids, heal the placental attachment sites, reduce back to its non-pregnant size through involution, and restore the hormonal environment for the next ovulation cycle. In many animals, one or more is incomplete.
Antibiotic treatment addresses the bacterial infection. It does not repair the damaged endometrial tissue. It does not restore uterine tone. It does not support the hormonal reset. The bacteria are gone. The biological damage remains.
A uterus that has not fully recovered from one calving is not ready for the next pregnancy. Every delayed conception is a delayed lactation cycle — and a direct cost that begins accumulating from the day the uterus failed to recover.
These wounds are the primary entry point for bacterial colonisation. Without tissue repair support, healing is slow and incomplete — leaving scar tissue that impairs future implantation.
The cervix is open, the endometrial surface is wounded, and the local immune environment is temporarily suppressed. Pathogenic bacteria colonise this environment rapidly — the window to protect it is measured in hours, not days.
Active or resolving uterine disease suppresses GnRH pulsatility. The infection can resolve completely and the hormonal suppression continues for weeks — which is why treated animals still show delayed heat.
A cow with a calving interval of 14 months instead of 12 months costs the farm two months of milk production every year for the life of that animal.
Not general benefits. Specific biological restorations — each tied to an observable outcome the farmer will see.
Uterine myometrium and cervical systems
Uterine lining and epithelial systems
Uterine musculature
Uterine lining and cervical canal
Hypothalamic-pituitary-ovarian axis
Mammary and metabolic systems
PhytoCraft formulations are not ingredient lists. They are systems — each complex selected for a specific biological function, each validated through Ayurvedic therapeutic science and field outcomes. We do not publish our formulations. We publish what they do.
Supports the natural contractile activity of the uterine myometrium — promoting the expulsion of retained fluids, lochia, and any residual placental material through the body's own physiological mechanisms.
When uterine tone is weak — as it frequently is after difficult deliveries or retained placenta — expulsion is incomplete. Retained material becomes a substrate for bacterial growth, a source of ongoing inflammation, and a barrier to endometrial healing.
Provides botanical antimicrobial actives within the uterine environment — reducing the bacterial load that colonises the post-calving uterus and protecting the damaged endometrial surface from ascending infection.
Pathogenic bacteria colonise the post-calving uterus rapidly. This complex provides localised protective support through natural plant-based mechanisms — without the gut microbiome disruption that antibiotic therapy causes.
Provides tissue-repairing botanical actives that support the regeneration of the endometrial epithelium — the inner lining of the uterus — damaged by infection, inflammation, or the physical trauma of placental separation.
Scar tissue and incomplete epithelial repair impair embryo implantation — producing early embryonic death or complete failure to conceive even when fertilisation has occurred. This complex treats the infection consequence, not just the infection.
Supports the restoration of normal hypothalamic-pituitary signalling that drives the resumption of oestrus cycles — addressing the hormonal disruption that uterine inflammation causes.
Uterine inflammation suppresses GnRH pulsatility. Even after the infection resolves, the hormonal axis remains suppressed. This complex addresses the neuroendocrine dimension of post-partum reproductive failure that antibiotic treatment cannot reach.
Supports the progressive reduction of the uterus to its normal non-pregnant size — through botanical actives that improve myometrial tone and contractile efficiency.
A uterus that remains enlarged and poorly toned accumulates fluid, remains vulnerable to re-infection, and cannot support normal cyclicity or successful implantation. This complex supports involution from Day 1 — accelerating the return of reproductive readiness.
Endometrial damage · Bacterial vulnerability · Uterine tone collapse
Cleansing · Tissue repair · Involution · Hormonal reset — all disrupted
Delayed heat · Foul discharge · Repeat breeding · Low post-partum milk
Cleansing · Antimicrobial protection · Tissue repair · Hormonal restoration
Normal cyclicity · Clean uterus · Successful conception · Productive lactation
Removing the retained material that is the primary substrate for post-partum bacterial colonisation — through the body's own physiological mechanisms, not chemical stimulation.
Reducing pathogenic bacterial load without the systemic gut microbiome disruption of antibiotic therapy — protecting the endometrial surface while it repairs.
The dimension of recovery antibiotic therapy does not address. Scar tissue and incomplete repair are what cause repeat breeding even after infection has been successfully cleared.
Addressing the hormonal suppression that uterine inflammation causes and that antibiotic treatment does not resolve — the neuroendocrine dimension of post-partum reproductive failure.
Every delivery leaves the uterus in a vulnerable state regardless of how smoothly the delivery went. The endometrial surface is wounded, the cervix is open to bacterial entry, and involution requires support. Calvonil used after every calving reduces post-partum reproductive problems before they develop.
Retained placenta leaves the endometrial surface severely exposed. The vet's intervention removes the physical obstruction but the damage to the uterine lining, the bacterial contamination, and the impaired involution all remain. Calvonil addresses all three, alongside any antibiotic the vet has prescribed.
Antibiotic treatment controls the bacterial infection. It does not repair the endometrial damage, restore uterine tone, or resolve the hormonal suppression. Calvonil used after the antibiotic course completes the biological recovery that antibiotics begin.
Abnormal discharge beyond Day 10 to 14 post-calving indicates ongoing uterine contamination, incomplete cleansing, or early endometritis. Consult your veterinarian alongside starting Calvonil if discharge is heavy, foul, or accompanied by fever.
An animal that has not shown heat signs by 45 to 60 days post-calving almost certainly has a uterine or hormonal recovery problem. Calvonil addresses the uterine and hormonal dimensions of delayed cyclicity. Start it immediately and have your veterinarian assess for any structural or ovarian cause alongside it.
Difficult births cause physical trauma to the uterine wall, cervix, and birth canal — increasing the risk of tissue damage, bacterial entry, and impaired involution. Calvonil after any assisted or difficult delivery provides immediate tissue repair support during the heightened vulnerability that follows.
Small ruminants delivering twins or triplets experience significant uterine distension and post-partum vulnerability. The involution demand is higher relative to body size and the risk of post-partum metritis is elevated. Calvonil at the 50 to 100 ml small ruminant dose for 5 to 6 days provides consistent support.
High fever, complete milk drop, rapid deterioration, and signs of toxaemia require immediate parenteral antibiotic therapy and veterinary assessment. Calvonil is a supportive and recovery formulation — use it alongside veterinary treatment, not instead of it.
Severe trauma to the birth canal, cervical tears, or uterine prolapse requires veterinary assessment and repair before any recovery support is started. Calvonil is appropriate after the acute trauma has been managed and the animal is stable.
Calvonil contains uterine-tonic botanicals that support contractility — contraindicated during pregnancy. Calvonil is specifically for the post-partum and post-infection recovery period.
What to look for in your animal after starting this product. Written for the farmer — specific and observable.
| Species | Dose | Frequency | Route |
|---|---|---|---|
| Cattle | 100 ml | Once Daily | Oral |
| Buffalo | 100 ml | Once Daily | Oral |
| Sheep | 50–100 ml | Once Daily | Oral |
| Goat | 50–100 ml | Once Daily | Oral |
| Camel | 100 ml | Once Daily | Oral |
At what stage in the animal's recovery does Calvonil belong — and what happens if that stage is skipped.
Calvonil begins within 24 hours of calving or on the day the antibiotic treatment course for uterine infection ends. The uterine vulnerability it addresses begins at the moment of delivery — the endometrial surface is wounded, the cervix is open, and the uterus is in a transitional biological state that requires active support from the first day. Starting on Day 1 produces dramatically better outcomes than starting on Day 5 or 7 when problems have already established.
Calvonil acts on the post-partum uterine recovery stage — the 14 to 21 day period following calving or uterine infection treatment where the uterus must simultaneously cleanse, repair, involute, and restore hormonal cyclicity. This stage involves four distinct biological processes occurring simultaneously — all of which must complete successfully for normal reproductive performance to return. Standard veterinary treatment addresses one — bacterial infection. Calvonil addresses all four.
Without systematic uterine recovery support, one or more of the four biological processes will be incomplete. The farmer will not see this directly. He will see it indirectly — in the heat that comes late, in the animal that goes into heat but does not conceive, in the repeat breeding that the vet treats with hormonal therapy while the actual cause, incomplete uterine recovery, remains unaddressed. A cow with a calving interval of 14 months instead of 12 months costs the farm two months of milk production every year for the life of that animal.
Calvonil's primary recovery window runs from Day 1 post-calving through the completion of the uterine cleansing and early repair phase — typically 7 to 14 days for cattle and buffalo, and 5 to 6 days for sheep and goat. The completion signals are specific: discharge has stopped or is minimal and clear, the animal is comfortable and eating normally, and the first post-partum heat signs appear within the expected 21 to 30 day window.
Real questions from farmers and veterinarians — answered honestly and completely.
Calvonil is a pure Ayurvedic uterine recovery system for livestock. It supports the four biological processes the uterus must complete after calving or uterine infection — natural cleansing and fluid expulsion, endometrial tissue repair, restoration of uterine tone and involution, and the hormonal reset that allows normal heat cycles to resume. It addresses the biological gap between treating the infection and restoring true reproductive health — which antibiotics alone cannot close.
Yes — and this is an important point. Every calving leaves the uterus in a vulnerable state regardless of how smoothly the delivery went. The endometrial surface is wounded at every placental attachment site, the cervix is open to bacterial entry, and the uterus must involute from an enormous expanded state back to its normal size. Without support, this process is slower and more likely to be incomplete. Calvonil used routinely after every calving reduces post-partum reproductive problems before they have a chance to develop.
Yes — start it immediately. Retained placenta leaves the endometrial surface severely exposed and vulnerable. The vet's intervention removes the physical obstruction but the damage to the uterine lining, the bacterial contamination that has already begun, and the impaired involution that retained placenta causes all remain. Calvonil addresses all three. Give it alongside any antibiotic the vet has prescribed — it does not interfere with antibiotic therapy and addresses what the antibiotic cannot.
Yes. Calvonil's botanical antimicrobial complex works through different mechanisms than pharmaceutical antibiotics and does not interfere with antibiotic action. You can begin Calvonil on the same day as the antibiotic course or the day after — the combined approach addresses both the infection and the biological damage simultaneously, producing better outcomes than antibiotics alone.
Yes — start it now. The antibiotic cleared the infection but the hormonal suppression that active uterine disease causes can persist for weeks after the infection resolves. Calvonil's reproductive hormonal stabilisation complex specifically addresses the hypothalamic-pituitary suppression that delayed heat cycle return. You should see heat signs appearing within 14 to 21 days of starting Calvonil if hormonal suppression is the primary cause of the delay.
Start within 24 hours of calving. The earlier it is started, the better the outcome — uterine bacterial colonisation begins within hours of delivery and the window for supporting natural cleansing and preventing infection establishment is most effective in the first 24 to 48 hours. Do not wait for problems to appear before starting.
Foul-smelling brown discharge beyond Day 3 to 5 post-calving is a sign of uterine contamination that may require antibiotic intervention alongside Calvonil. Start Calvonil immediately and contact your veterinarian the same day. If the cow also has a fever above 104°F, reduced milk, or is not eating — those are signs of systemic metritis requiring urgent veterinary treatment. Do not rely on Calvonil alone in an animal showing systemic signs.
Yes — improving post-calving uterine recovery directly improves the speed of return to fertile cyclicity and the quality of the uterine environment for implantation. An animal whose uterus has fully recovered — clean lining, restored tone, normal hormonal cycling — conceives significantly more readily than one whose recovery was incomplete. Calvonil does not stimulate conception artificially. It creates the biological conditions in which conception can occur as early and reliably as the animal's reproductive potential allows.
Give Calvonil at 100 ml per day — the upper end of the small ruminant range — for 5 to 6 days. Post-partum uterine contamination in small ruminants after multiple births is common and responds well to Calvonil. If the goat also has fever, is not eating, or seems very weak, consult your veterinarian alongside starting Calvonil — systemic signs in small ruminants deteriorate rapidly and need prompt assessment.
Yes. The camel dose is 100 ml per day. Begin immediately. After any difficult delivery in a camel, the uterine vulnerability is significant — the same four biological processes that must complete in cattle and buffalo must complete in camels, and the consequences of incomplete recovery are the same. Consult your veterinarian if the discharge is heavy, foul, or accompanied by systemic signs.
Veterinary uterine washes and pessaries provide local antimicrobial treatment within the uterus — they address the bacterial component at the site of infection. Calvonil works systemically — it supports the uterine contractility, tissue repair, and hormonal recovery that local treatment cannot reach. They address different aspects of the same problem and are complementary. Many vets use local treatment to address the active infection and systemic botanical support like Calvonil to complete the biological recovery.
Yes. First-calving heifers often have more difficult uterine recoveries than older cows — the uterus has never undergone involution before, the hormonal system is establishing its post-partum rhythm for the first time, and the stress of first calving is significant. Calvonil is particularly beneficial for heifers at first calving — starting it within 24 hours of delivery supports a smooth first post-partum recovery that sets the foundation for good reproductive performance throughout the animal's productive life.
Start Calvonil within 24 hours of this calving and give the full course. Last year's repeat breeding was almost certainly the consequence of incomplete uterine recovery after that calving. Use it consistently this time, ensure the full course is completed, and monitor for the return of heat at 21 to 30 days post-calving. If heat does not return within 45 days despite Calvonil use, consult your veterinarian for assessment of any ovarian or structural cause.
They address completely different biological systems. Dhenushakti addresses calcium and mineral restoration — the skeletal, neuromuscular, and metabolic systems depleted by calving. Calvonil addresses uterine recovery — the cleansing, tissue repair, involution, and hormonal reset the reproductive system needs after calving. They are not alternatives — they address different aspects of the same post-calving recovery period and are ideally used together.
Give Calvonil at 100 ml per day for 5 to 6 days — the upper dose for a difficult or multiple birth. Also assess whether the sheep needs mineral and energy support alongside uterine recovery — Dhenushakti Gel at the small ruminant dose addresses the mineral and energy depletion that three-lamb deliveries cause. If the sheep has fever, is not eating, or is deteriorating, contact your veterinarian immediately — small ruminants with post-partum complications can deteriorate very quickly.
Calvonil is designed for the specific post-partum and post-treatment recovery window — it is not intended as a long-term maintenance product. The uterine-tonic botanical class it contains is appropriate for the post-partum period and should not be used beyond the indicated course duration outside of veterinary guidance. Complete the indicated course and discontinue. If reproductive problems persist beyond course completion, consult your veterinarian.
Yes. Calvonil addresses the uterine recovery dimension of post-calving recovery. Other products address different but related dimensions simultaneously — Dhenushakti Gel and Dhenushakti liquid address the mineral restoration, LivoCraft addresses the liver and metabolic recovery, Amritex addresses the vitamin and nutritional restoration. Using Calvonil alongside these products provides complete post-calving biological recovery across all systems — uterine, mineral, metabolic, and nutritional — simultaneously.
Yes — that is an excellent outcome. Heat returning within 21 to 30 days post-calving indicates that uterine recovery was complete and the hormonal axis resumed normal cycling on schedule. This is exactly the outcome Calvonil is designed to support. Ensure the heat is strong and clear before breeding — a well-recovered uterus produces a clear, sustained heat with strong signs. A weak or brief heat at 25 days may indicate the hormonal recovery is still completing — wait for the next cycle if heat expression is not strong.
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