Pregnant and lactating mares need different treatment because there is a greater risk of infection. Deworming the mare 1 to 2 days after foaling reduces the likelihood of transmission of Strongyloides westeri through the milk. Mares should be kept on a regular deworming schedule during the pregnancy until the last months of carrying the unborn foal. Ideally the foaling paddock will have been spelled for several weeks to reduce worm contamination and to allow a good clean grass cover. Deworm: In addition to deworming your mare in advance, veterinarians also recommend deworming about one week after foaling. Continue testing the mare at three monthly intervals. It is worth noting, that healthy foals normally develop natural immunity at around six months of age. Regular worming will … Untreated these encysted small redworm pose a potentially fatal health risk to horses as they can emerge en-masse from the gut wall in spring, causing loss of condition, digestive upsets and colic. During early development, the udder remains firm.A few days before foaling, the udder gradually softens and fills with fluid, which slowly changes in appearance from watery, to thick colostrum. The next parasite foals are likely to encounter is the ascarid, Parascaris equorum - these are huge creamy white worms which can grow to 40cm in length, a very large worm for small foals to carry. Most mares experience inflammation in their uterus during the first week postpartum, and can be cultured during the foal heat to determine if infection is present. There is also a risk of passing that infection onto the foal. After foaling it is important to observe the mare for signs of a problem. Should you have any questions, get in touch with Clare for further advice or reassurance that you have the correct regime in place. Stabling: If stabling your mare for foaling down, the stable needs to be large with good quality deep straw. Panacur Paste. This website uses cookies so that we can provide you with the best user experience possible. (This drug has a particularly high safety margin, with the dose needed to cause toxicity in horses at over 50 times the normal dose for deworming). After foaling: A lactating mare should not be wormed for the first two weeks after giving birth. Going forward, it is important to worm count both your mare and foal throughout the first year of your foal’s life. She recommended using a … Good management begins before the foal is born. There should be no dams,as newborn foals have been reported to have drowned. The length of a normal pregnancy is usually 335 to 342 days, but occasionally can range from 315 to 400+ days.About a month before foaling, many mares start to develop swelling low along their abdomen. As the foal gets older and grazes more, the risk of other parasites such as the small redworm, Cyathastomins and  large redworm - Strongylus vulgaris, and tapeworm, Anoplocephala perfoliata, take over. Either blood test or worm both mare and foal for the possibility of encysted redworm in winter. The clinical signs of roundworm infestation are: It is important to understand that not all symptoms may be present, but any signs must be taken seriously. Mastitis, "inflammation of the mammary gland," is most often encountered when foals are weaned. Decide on where your mare will foal down, she needs to be moved there 10 - 14 days before foaling. Deworming with Ivermectin should also be performed 24 hours after foaling to prevent parasites from being passed on to the young through its mother’s milk. The foals are wormed monthly however. Over the winter months also treat for inhibited encysted small redworm. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. See our informative news article F… Because they will have a detrimental effect on the foal’s development. Because the mare’s gestation is 345 days in length (11 months plus a week), and she comes into heat so quickly after giving birth, it is feasible to think that she could conceive and produce a foal each year. Healthy foals should acquire a natural immunity or tolerance to this parasite at around six months of age. We recommend testing from 6 months of age for tapeworm. The female worm of this species has the ability to penetrate the horse’s skin and, once there, can remain in the body tissue for many years. Foals can be dosed each month between 2 months and 8 months of age. Additionally, the udder slowly starts to enlarge and will quickly grow two weeks before term. What should you do about worming pregnant mares or a mare and foal? As with threadworm, healthy young horses should develop natural immunity to ascarids at around 2-4 years of age - though cases are not unusual in older horses that have had a poor start in life. (It is worth noting that Fenbendazole has a very high safety margin, and you would have to overdose by 50 times the recommended amount to cause toxicity in horses). From 6 months of age test every 6-8 weeks until a yearling only worming if needed. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. The presence of uterine bacteria is a significant cause of reduced fertility. Your email address will not be published. Worming mares and foals is important but doesn’t have to be complicated. Starting around the 5th month her nutrition requirements increase and her diet should be adjusted accordingly. Be mindful that deworming should be avoided within the first 60 days of gestation. For foals less than 12 months, deworming can be a good practice, though they must be used with care. Mares may lie down and roll on the day of and after foaling due to the strong contractions and discomfort. You should worm mares either 4-6 weeks before foaling, or within 24 hours after foaling. Due to the thick sticky shell of the ascarid egg these parasites can survive extremes of hot and cold and remain dormant on pasture for many years which is why fresh grazing is recommended for mares and foals. We are currently not recommending vaccination in the first 3 months of pregnancy or the last 6 weeks prior to foaling. Another parasite, Strongyloides, can be passed from dam to foal in the milk. Treat mares 1 month before foaling and 10 days after foaling. Ivermectin is not the best choice of product for routine dosing of young horses as there is some known resistance to ascarids. If ivermectin is used and the foal has not been routinely dewormed, there may be a massive kill of large roundworms. Brood mares should be wormed regularly to avoid large and small redworms, pinworms, bot fly and tapeworms, which can cause colic and other problems. We recommend worm counts for foals every month from the age of three months to a year. While it goes against the recommendations for worming adult horses, young foals need proactive treatment to protect them from parasites. In this stage they don’t lay eggs and so their presence can’t be detected by a worm egg count. Clinical signs of infection would be poor weight gain, unthriftiness, pot belly or rough coat due to the compromising effect of the parasite on the foal’s growth and development. If your mare is to be covered again this season, the first heat after foaling is important. A lactating mare should not be wormed for the first two weeks after giving birth. within 12 hours of foaling they are wormed with a wormer which has ivermectin in it. When the foal is a month old treat with a generous single dose of fenbendazole (Panacur), effective for ascarids – it is difficult to accurately assess the weight of a foal so err on overestimating to ensure an effective amount is given. As with Threadworm, a healthy foal will develop a natural immunity to Ascarids once they reach two years old. The mare should be treated for the inhibited encysted small redworm over the winter months also, and Moxidectin is safe to use. The problem with deworming a month before the "due date" and then also right after foaling is the same deal with deworming at potentially 4 weeks apart with a non-pregnant mare - too soon, and you are likely exposing stages of parasites not killed by the chemical, to the chemical, which sets up resistance potential. I get asked this question a lot, so let me help you to make sure your mare and foal are not harmed by worms or wormers! We want to prevent Threadworm because it causes chronic diarrhoea. Worms can find their way to the foal through their mother’s milk, or they can ingest the eggs of the parasites from manure. Exposure to parasites begins at an early age. Young horses should be wormed regularly with STRATEGY-T in spring and summer and EQUIMAX ELEVATION in autumn and winter from eight-twelve weeks of age until they are two years old. Chelmsford Youngsters are especially vulnerable as their immune systems take time to mature. Worming mares and foals is important but also needs to be done carefully. Seaton The Street The mare should be monitored with worm egg counts every three months and tapeworm tests every six months, treating as the results indicate plus a winter dose for encysted redworm. Your email address will not be published. Signs may include mild colic, off colour, off food and a temperature. Foals are born free of parasites but are often exposed to them within the first few days of life. They are at their most dangerous in their larval stages when they burrow into the lining of the gut and encyst. Threadworm can also be passed through the mare’s milk to infect the foal. Encysted redworm dose, plus resistance test to check for treatment efficacy, Saliva test for tapeworm Moxidectin for threadworm if choosing to treat, (The mare should not be wormed until at least 2 weeks after foaling unless under veterinary supervision), Single dose of fenbendazole (Panacur). ACT, described the most common foaling problems he sees in a presentation at the 2012 American Association of Equine Practitioners Convention, held Dec. 1-5 … New thinking is that strongyloides is actually harmless to the foal - the choice is with the owner as to whether you would prefer to worm as a preventative for it or not. During the period the mare is in foal, do regular worm counts every 8 – 10 weeks. The vaccine may be safely administered from 3 months of gestation out to approximately 6 weeks prior to the potential due date. Incorporating worm counts and tests into the programme early on will help to identify the wormy horses and those that are going to need more support, preventing any potential problems developing from unnecessary parasite burdens. It is common practice to worm pregnant mares in the last month of pregnancy, specifically to reduce the transmission of Strongyloides westeri, a parasite that affects foals and is spread in mare’s milk. This ensures that antibody levels in the mare will be highest at the time of foaling. 3 – 4 weeks from her ‘due day’ worm the mare using an Ivermectin based wormer. This post will help you discover what you need to do for your mare and foal. A regular rotational worming schedule has proven to be the best defense against internal parasites in horses. We would also recommend worming during the foaling period, either in the week before or after. Please see our advice for worming broodmares and youngstock here, or call the clinic on 01622 813700 and speak to any of our vets for guidance. Two months after foaling resume three monthly worm egg counts for the mare, treating as necessary. CM3 6RY. Threadworm, Strongyloides westeri is the first parasite to be concerned with. Youngstock: PLEASE ENSURE ALL FOALS RECEIVE WORMERS APPROPRIATE FOR THEIR AGE - … Tapeworm has been observed in foals from the age of five months. Worming – Worm as normal. A faecal egg count should be performed within the last month of pregnancy and the mare should be treated, only if required. Foaling Process. Vaccination, especially equine tetanus jabs, should be given a month before foaling. Roundworm are a large, creamy white worm. The mare should not be wormed until at least two weeks after foaling unless under veterinary supervision - this is because metabolites from the wormer can be passed through the mare’s milk to affect the foal. Essex the baby had round worms and the mare had rounds, strongyles and strongyloides westerii. Small redworms are one of the most common and harmful parasites found in horses. Continue to worm the foal every 4-6 weeks alternating between pyrantel and fenbendazole until the foal is six months old, monitoring with worm counts when worming is due for best practice. Whilst the migrating larvae cause coughing and respiratory damage through pulmonary hemorrhaging. Check with your vet or SQP to ensure any wormers are licenced for use in pregnant mares. It is especially important to deworm the mare within several weeks of foaling, because the mare will be the primary source for infecting her foal with parasites. So, it is vital to check to make sure any product you use is suitable and licensed for mares in foal. We recommend that during the first twelve months of life the foal be dewormed every 30 days. Once the foal is one year of age the program should be changed to an adult deworming schedule. As it is difficult to find out the weight of a foal, do not be afraid to be generous, and always err on the side of caution and overestimate the weight of your foal. They usually show signs that they will soon go into labor. Worm control doesn’t just consist of regular worming regimes. They will need a careful schedule of tests and treatment to ensure the wellbeing of mum and baby. Are you following us on Facebook & Instagram? Consult your veterinarian to establish an effective and safe deworming schedule for your mare. EFECS Limited, As with vaccinations, parasite control should start with the brood mare, who should ideally be wormed 4 weeks prior to foaling. The mare should not be wormed until at least two weeks after foaling unless under veterinary supervision - this is because metabolites from the wormer can be passed through the mare’s milk to affect the foal. Depending on the parasites present in your mare, deworming will take place at various points through pregnancy, with a final dose four weeks prior to foaling highly recommended. Parasitic larvae can be transferred to the foal by the milk and may cause illness or unthriftiness. If you suspect that your mare requires worming for any reason during this period, it MUST be under the guidance of your vet. Foals are at huge risk from Ascarids (Roundworm) which can grow and reproduce at a rapid rate in an untreated foal. They reproduce in large numbers and an infected youngster can produce a frightening barrow load of these worms after treatment. Ideally, the first deworming should take place when the foal is no less than 2 months old, unless signs of parasite-related disease are noted. If you have any health concerns about your mare or foal please consult your vet. Then worm count and treat every 4-6 weeks until 6 months old rotating the use of pyrantel and fenbendazole (single doses), Blood test or treatment for possible encysted Redworm dose plus resistance test to check for treatment efficacy, Encysted Redworm dose plus resistance test to check for treatment efficacy, Worm count every 2- 3 months depending on previous results, * Video: The Parasite Journey of the Horse, Episode 1, Dr. Martin Nielsen, University of Kentucky Maxwell H. Gluck Equine Research Center. (even though in older horses we would not do this). Worming in Mares & Foals. Make sure she is getting a good vitamin and mineral supplement along with her feed, in addition to enough pasture and hay to maintain her weight. The size and quantity of worms can form intestinal blockages leading to colic and ruptures of the gut while migrating larvae cause coughing and respiratory damage through pulmonary haemorrhaging. These worms can obstruct the intestine, which can be and most often is, fatal for the foal. It is important to keep a watchful eye on mares for one to two weeks after you wean a foal at four to six months of age. Until the 10th month of pregnancy the mare can follow the same worm control program as other adult horses. Foals are at huge risk from Ascarids (Roundworm) which can grow and reproduce at a rapid rate in an untreated foal. In order to treat for threadworm the mare should be wormed proactively with a dose of moxidectin (Equest) four weeks before the foaling due date or an ivermectin based wormer around foaling time - our preference if you're going to treat is to use the moxidectin wormer as we prefer not to give chemicals around such a critical time as foaling. Don’t use the same pasture or paddocks year after year for mares and foals. Roundworm can also cause blockages in the intestine, leading to colic and possible ruptures of the gut. If you suspect that your mare requires worming for any reason during this period, it MUST be under the guidance of your vet. Mare behavior will gradually change during the weeks preceding foaling. This adjustment period will allow for antibodies to that specific environment to develop in the colostrum and for your mare to settle and be comfortable in this new environment. Worming Foals are especially susceptible to worms due to their immature immune system. Moxidectin is not a suitable drug for young foals until they have a sufficient covering of body fat. Worm your foal once it reaches four to eight weeks of age using a generous dose of a Fenbendazole based wormer i.e. This will help prevent Threadworm (Strongyloides Westeri) being passed onto the foal from the Mare’s milk. Ivermectin based wormers have a known level of resistance to ascarids and are not recommended for the treatment of ascarids in foals. So usually the way it works out, they've been wormed about a month prior to foaling, then they are wormed again on the day. Horses, especially those over three years old, should be treated as individuals and not according to … Test for tapeworm with an Equisal tapeworm test every six months. Worming At Foaling As your mare approaches her due date, leave worming until the day of foaling and replace mum and foal in a new paddock as the manure will only contain dead worms and eggs. VACCINATIONS AND WORMING PRIOR TO FOALING. Most deworming agents available today are relatively safe for pregnant mares. Stowe Maries i had fecals done on both the mare and foal as the foal STILL has some diarhea at 7 weeks of age. Required fields are marked *. As an alternative, mares may be vaccinated against EVA approximately 7 to 10 days after foaling. Deworming Every foal beginning at four weeks of age needs to be dewormed on a regular basis. Foals and young stock are especially vulnerable to ascarids. Foals have a wonderful habit of ingesting Mum’s manure and therefor worm eggs. Effective parasite control is a vital part of giving young horses a healthy start in life. For the first half of her pregnancy, the nutritional needs of your pregnant mare do not change and she can continue with her previous feeding program. The major gastrointestinal parasites of concern in the mare are large and small strongyles and, in some instances, tapeworms. 30 days prior to her foaling date she was pasted, and 12 hours after she was pasted. This doesn’t mean however that it is imperative that all broodmares are bred every year. The alveolar cells of the udder will continue to … The faecal egg count should be repeated around 3-4 weeks after foaling. This website uses cookies to provide you with the best browsing experience. Mum should then be wormed 6-12 weeks later depending on products used. Use Ivermectin only wormer in pregnant and lactating mares. Wormers that are safe to use are: Equest, Eqvalan, Strongid P, Panacur, Panacur guard and Equimax. It is also recommended to begin a FEC monitoring program for yearlings to help guide treatment frequency. If the young foal is scouring and you suspect an active infection of threadworm it is important to consult your vet as dehydration can quickly affect a young foal. After the worming on foaling day, they're put back onto the regular schedule. However, it is not unknown for them to be seen in older horses who have had a poor start in life. There is some debate about whether threadworm is harmful - it was once thought to be a potential cause of chronic diarrhoea in the foal but this is now refuted by leading parasitologists*. The parasite can also penetrate the horse’s skin and remain in the body tissue for some years. Deworming the Pregnant Mare Strategic deworming is another essential ingredient of preventive health care. If the foal is grazing with several other horses then a first tapeworm test should be given at 6 months old using the Equisal saliva test. Note: The two parasites of most concern in adult horses are the small strongyles (encysted strongyles, cyathostomes) and tapeworms. If the mare has three or four very strong contractions without the foal advancing, someone experienced with foaling can grasp the front feet during a contraction and gently rotate the foal a bit from side to side, then put traction on the feet, pulling a line parallel with the upper line of the mare's hocks (about a 45-degree angle to the ground). If tapeworm is present they can be dosed using either a double dose of pyrantel or a single dose of praziquantel. The timetable though is far from being absolute. They grow up to 40cms in length, so they can present serious health risks to young foals. This will then benefit the foal through the mare's colostrum. Keep the pasture as clean as possible by poo picking or cross grazing, resting paddocks and taking care not to overgraze the fields. Even a low burden of redworm must be treated to prevent disease in the young horse. Use Panacur 5 day Guard for lean youngsters or Equest if they have a good covering of body fat. After that time, an ivermectin product may be used, but ONLY if you have been deworming your foal as regularly as we have recommended. We're open as usual - see our latest COVID Update November 2020 HERE. Open Caslick’s: Caslick’s operations are done to seal the mare’s vulva and create an extra barrier to protect the pregnancy. This allows build-up of a high level of ascarid eggs, which can survive between years and infect new foals being born in the spring. There is little good evidence that this is required in all cases so it’s best to speak to your veterinary surgeon for advice. Future Mare Management. The Parasite Journey of the Horse, Episode 1, University of Kentucky Maxwell H. Gluck Equine Research Center, Reduction testing to check the wormers are working, Your horse, his passport food chain status and your worming, How dung beetles could revolutionise your horse pasture, 6 ways to better worm control in competition horses, Choosing a livery yard with good worm control, Five key factors in positioning a muckheap, Choosing a laboratory for your horse’s worm egg count, Taking a dung sample for a worm egg count.