Dec 29, 2023 · Can a female donkey and a male horse reproduce? This intriguing question delves into the world of interspecies mating, genetic diversity, and the fascinating realm of hybrids. While it might seem unlikely for a donkey and a horse to successfully reproduce, there is indeed a chance for these two animals to mate and produce offspring. The chances that two different species can form working homologous pairs are slim. Males of interspecies hybrids are usually sterile (their sperm doesn’t develop completely), and fertile females appear rarely. Our molly mule has an extra strike against her because horses have 64 chromosomes (32 pairs), and donkeys have 62 …Cows and horses cannot crossbreed even though they can mate. Their size and body composition make mating possible, while their genetics make successful breeding impossible. They can, however, crossbreed with other animals that may be on a farm. hardy_katrin_sirion. 386 followers.You can make mules by breeding a male donkey with a female horse. but mules themselves can not reproduce. They are sterile. (99.9% of the time) note: a hinny is the baby of a male horse and a ...We developed a group of genetic markers to analyze pure mule deer, pure whitetails and some known hybrids of various fractions (from captivity) to develop a test that can be used for any deer suspected to be a hybrid. The results were stunning, with known pure mule deer, whitetails and 50:50 hybrids separating out nicely in three discrete clusters.Oct 15, 2021 · One common example of a hybrid is the offspring of a donkey and a horse. Most wild donkeys will find another donkey to mate with to produce offspring. The offspring of a donkey and a horse, known as a mule or hinny, has unique characteristics which make it strong and hardy, as well as intelligent and full of “hybrid vigour”. InnerPlant helps farmers reduce the amount of chemical pesticides needed or harvests lost to pathogen attacks, like fungal. The world is headed for a food shortage by 2050 as its p...One deer was found with almost 10 lbs of plastic in its stomach. The famous and sacred deer of Nara, Japan’s former imperial capital, attract tourists from the world over. But the ...Dogs are also naturally curious creatures, which means that they are likely to be interested in donkeys, because they don’t know what they are. You may notice that your dog wags and barks with excitement when it sees a donkey. You may also see it become alert and pop its ears up. Your dog may also whimper when you don’t let them go ...Jan 16, 2014 · The most common and most practical of all hybrids are mules (the offspring of a male donkey and a female horse) and hinnies (the offspring of a male horse and a female donkey). Ever since George Washington brought mule breeding to America (you read that right), mules have played a primary labor role as work animals and pack animals for their ... - Friday August 25, 2017 - Jim Heffelfinger. Whitetail-Mule deer hybrids are often distinguished by their tail, among other characteristics. Throughout history, crossbreeds …An act of love: Ippo, a three month old "zonkey" (a cross between a zebra and a donkey) at a reserve in Florence. Credit: AFP "It is very rare that a zebra and a donkey mate and reproduce," Serena ...Jun 10, 2023 · There are many success stories of donkey-cow partnerships around the world. For example, some farms use donkeys to help with herding their cows to pasture or to the milking parlor. Animal sanctuaries often pair donkeys with cows that have been rescued from abusive situations, as the calming presence of the donkey can help the cow recover from ... Yes, donkeys can reproduce, either with their own kind, or with horses. When donkeys and horses breed, they will either produce a hinny or a mule , which are unique creatures …Opposites attract: Unveiling the mysterious love tales of elk and deer, where boundaries blur and hearts intertwine. Picture the picturesque landscape of a serene forested meadow, bathed in soft …Conversely, the tail of a donkey is coarse and looks much more similar to that of a cow's. Mules are characterized by their short manes and heads as well as thin legs. Mules are also taller than donkeys. The two animals also display subtle physical differences in regards to the appearance of their teeth, neck shape, and coat.Jun 10, 2023 · There are many success stories of donkey-cow partnerships around the world. For example, some farms use donkeys to help with herding their cows to pasture or to the milking parlor. Animal sanctuaries often pair donkeys with cows that have been rescued from abusive situations, as the calming presence of the donkey can help the cow recover from ... A deer can carry this rare recessive trait without being albino, but when two deer carrying the trait reproduce, there’s a chance their offspring will be albino. Other color pigments can be present, which can oftentimes lead to a yellowish tint in albino deer, but the majority of the time their fur is all white. Albinism in deer is rare with some estimates …Achieving a good mule biotype depends largely on the adequate selection of the male donkey and thus reproduction of large breeds was initiated. This led to their use by the militia (Fig. 1) and for tourism and transport in mountain areas, all of which are important in Argentina (Fig. 2). However, not every donkey will be interested in breeding …Donkey vs Horse: Lifespan. Horses live longer than donkeys on average. Donkeys can live between 15 and 30 years depending on a lot of factors. Although many donkeys are cared for by owners in farmlands, rigorous work will take its toll on these creatures and lower the amount of time they live. When cared for well, donkeys can live …Deer are herding herbivorous animals that are found in temperate forests, temperate swamps, boreal forests, and cold bogs. Males of the species are called Bucks and can be distinguished by the presense of antlers and larger visual size, while females are called Does and are visually smaller and lack antlers. Young deer of both genders are …China is redirecting its trade of donkey hides. China has a plan to address the ban on exports of donkey slaughter imposed by many African countries it was used to trading with: to...While cows and donkeys are capable of mating, they cannot crossbreed. They can mate because of their size and composition, but they can’t reproduce because of their genetics. They can, however, breed with other animals on the property. The animals that can and cannot be crossed with cows and horses must be identified.Deer may choose to stay within the same area for several reasons. Factors such as the availability of food, water sources, and shelter play a significant role in their decision. Additionally, deer often establish territories to avoid conflicts with other deer and to ensure a steady supply of resources.Jun 21, 2023 · Most people know about mules, which are a cross between a male donkey (jack) and a female horse (mare). However, a male horse (stallion) and a female donkey (jenny) will produce a hinny, which looks similar to a mule. Like mules, hinnies generally can’t reproduce because of their chromosomes. Let’s delve into that a little bit and go over ... The American Elk can hybridize with the Red Deer (the European Elk is known as Moose in the USA). The hybrids are about 30% more efficient in producing antler by comparing velvet to body weight. In Canada, farming of European Red Deer and Red Deer hybrids is considered a threat to native Wapiti. Wapiti have been introduced into some European …Cow elk can reproduce after just one year, while bulls don’t reach sexual maturity until two years. Bulls younger than 5 or older than 11 usually mate with fewer cows than bulls who are in their prime. ... Though both sexes of elk are considerably larger than deer, they can still vary quite a bit within their own species. The average weight of a bull …Jan 4, 2024 · The Fascinating World of the Male Deer. By James Kitts January 4, 2024. The Cervidae deer family members, such as mule deer, white-tailed deer, red deer, and musk deer (not really), are essential to their ecosystems due to their role in mating season. This article will delve into the complex behaviors exhibited by these magnificent creatures ... The Mating Habits & Reproductive Life Cycle of Deer. Like all species, deer have unique habits when it comes to mating, reproduction, and protecting their offspring. The articles on this page will offer an introduction to how deer find and choose their mates, reproduce, carry their young to term, and deliver and care for their fawns. Sterile Offspring: Like mules, most zonkeys are sterile and cannot reproduce, a result of the differing chromosome numbers in their zebra and donkey parents. Personality Traits: Zonkeys inherit traits from both parents, leading to a diverse range of temperaments, from the docility of donkeys to the wilder nature of zebras. They have trouble making sperm or eggs because their chromosomes don't match up well. And, to a lesser extent, because of their chromosome number. A horse has 64 chromosomes and a donkey has 62. A mule inherits 32 horse chromosomes from mom and 31 donkey chromosomes from dad, for a total of 63 chromosomes. To understand why …1. Mules and Hinnies Are Not the Same Animals. Both mules and hinnies are “hybrid” equines. Hybrid offspring are the products of breeding two different species: in this case, horses and donkeys. …Can a deer and a donkey reproduce and create offspring? No, a deer and a donkey cannot reproduce and create offspring. They are genetically too different to …Although moose and elk are both deer species, the chances of the two reproducing are slim to none. “Elk and moose belong to different subfamilies of deer—genetically very far apart and totally incompatible.” Elk and red deer share the same genus, Cervus, and are closely related despite millennia of geographic separation.Mules have the best of both worlds. Being the hybrid offspring of a female horse and a male donkey, a mule has the sturdy make of a horse, and the muzzle and … Reports compared. Thus, in several of the older accounts of deer-horse hybrids, it is the anterior portion of the hybrid that is horse-like, while the posterior is deer-like, which is the same configuration as Adlersflügel’s deer-donkey hybrid pictured above. The Republican Elephant - The republican elephant came from Thomas Nast's political cartoons. Read about other uses of the elephant in political drawings. Advertisement Just like t...White-tailed deer are polygamous and a big buck will mate with many doe, but the doe will only court one buck, occasionally a doe will have more than one mate. Deer reproduce sexually and there is internal fertilization. Female deer will nurse their young several times a day until the fawns are strong enough to join the herd.A piebald deer is a deer with a coat of white and black or brown fur, similar to that of an American Paint Horse or pony. Some have a few patches or discoloration while others have an all white coat of fur. The word “piebald” comes from the Old English pīa, meaning “magpie”, and bæld, meaning “spotted” or “having a white spot”.The reproductive season is known as the “rut.”. During the rut, testosterone in male deer increases, causing their antlers to grow and their libidos to increase. Female deer go into estrus around the same time. They go into heat for short periods of around 24 hours. During the rut period, males fight with other males to mate with females in ...Description []. Donkeys require a donkey shelter to live in and provide transport for the player and goods. They can be purchased from the donkey shelter in Tutki provided the player has already built a donkey shelter of their own in their settlement.. Foals mature at 1.5 years of age (6 seasons). Donkeys have an average lifespan of 31.25 years (125 …Can. No, a horse cannot give birth to a donkey. Horses and donkeys belong to different species and have different numbers of chromosomes. While they can mate and produce offspring, the resulting offspring is called a mule if the father is a donkey and a hinny if the father is a horse. These hybrid offspring are usually sterile and cannot reproduce.The American Elk can hybridize with the Red Deer (the European Elk is known as Moose in the USA). The hybrids are about 30% more efficient in producing antler by comparing velvet to body weight. In Canada, farming of European Red Deer and Red Deer hybrids is considered a threat to native Wapiti. Wapiti have been introduced into some European …Step 1 — Place one donkey and one horse together in a fenced-in area or stable. Step 2 — Feed each animal a Golden Apple or Golden Carrot to put them in “love mode”. Step 3 — After a ... The tail of a hybrid looks very much like a typical whitetail, but is usually longer and dark brown or black on the back surface. The preorbital gland in front of the eye is intermediate in depth or might be deep like a mule deer’s. Antlers are typically more whitetail-like, but might fork in older hybrids. Oct 8, 2022 · Can a deer and an antelope reproduce? deer and hybrid antelope. Antelope hybrids abound in zoos, usually due to a lack of more suitable counterparts in the enclosure. … A mating between a male eland and a female kudu produced a male-sterile hybrid resembling the eland. Can a donkey and a cow have a baby? Dec 29, 2023 · This topic delves into the realms of hybridization, genetic diversity, and the fascinating ways in which nature can sometimes blur the boundaries between closely related species. Join us as we explore the intriguing question of whether a horse and deer can reproduce and unveil the fascinating secrets that lie within the world of animal ... Yes, animals mate with their parents, siblings, and offspring. But not all animals mate in such a way. For instance, if you see, Banded mongoose females from South Africa can regularly mate with their fathers and brothers. They can tolerate incest and are able to genetically withstand the effects of inbreeding quite well.This means that when a horse and donkey are bred together, their offspring will have 63 chromosomes, which makes them sterile and unable to reproduce. While mules are unable to reproduce, they do possess many desirable traits. They are known for their strength and endurance, as well as their intelligence and sure-footedness.Baby Donkeys Are Called. Like their baby equine cousins the horse and zebra, baby donkeys are called ‘ foals ‘. They are usually born without siblings. The process of a donkey giving birth is usually called ‘ donkey foaling ‘. Once a baby donkey reaches a year old they become ‘ yearlings ‘. Male donkeys are called ‘jacks’ and ...In a report released today, Kristen Owen from Oppenheimer maintained a Buy rating on Deere (DE – Research Report), with a price target of ... In a report released today, Kris...Deer species like white-tailed deer, mule deer, and fallow deer showcase unique morphological differences in size, antler structure (bifurcated or multi-pointed), and coat patterns (solid or spotted). Understanding the taxonomy and classification of these magnificent creatures adds depth to our appreciation of their diversity within the …1. Liger: Male Lion And Female Tiger Hybrid Animal. A liger is the offspring of a male lion and a female tiger. The offspring of a male lion and female tige r, the liger is probably the most famous hybrid animal of all and the largest of the big cats. Ligers are usually much bigger than either parent. Supposedly, its eight cloven hooves were replaced with eight horns. Though many biologists don’t believe they are possible, horse-cow hybrids and donkey-cow hybrids, known as jumarts, have been repeatedly reported. Many such reports are quoted below, together with documenting photos and videos. If you live in an area with deer, you've likely seen some of your plants gone overnight. Read on to find out how to prevent damage and protect your garden. Expert Advice On Improvi...Horses and zebras can reproduce, and whether the result is a zorse or a hebra depends on the parents. It’s an unusual pairing usually requiring human help. ... equine hybrids can be trained like other domestic donkeys and horses. Can a deer and a horse mate? No. Not only are they different species, they are different orders. Deer are Artiodactyla, even …Feb 4, 2021 · The donkeys and horses are usually brought together to reproduce a mule or hinny because they are stronger, hardy, and much easier to keep than horses. Zeedonks is also known as zebronky, zonkey, zebadonk, zonkey, and Debra, etc. Like mules and hinnies, they also can not reproduce but they are a little harder to be misunderstood as a donkey ... The donkeys and horses are usually brought together to reproduce a mule or hinny because they are stronger, hardy, and much easier to keep than horses. Zeedonks is also known as zebronky, zonkey, zebadonk, zonkey, and Debra, etc. Like mules and hinnies, they also can not reproduce but they are a little harder to be misunderstood as …While cows and donkeys are capable of mating, they cannot crossbreed. They can mate because of their size and composition, but they can’t reproduce because of their genetics. They can, however, breed with other animals on the property. The animals that can and cannot be crossed with cows and horses must be identified.Baby Donkeys Are Called. Like their baby equine cousins the horse and zebra, baby donkeys are called ‘ foals ‘. They are usually born without siblings. The process of a donkey giving birth is usually called ‘ donkey foaling ‘. Once a baby donkey reaches a year old they become ‘ yearlings ‘. Male donkeys are called ‘jacks’ and ...May 11, 2021 · Although moose and elk are both deer species, the chances of the two reproducing are slim to none. “Elk and moose belong to different subfamilies of deer—genetically very far apart and totally incompatible.” Elk and red deer share the same genus, Cervus, and are closely related despite millennia of geographic separation. "Working donkeys are vital to people’s livelihoods here." While other African countries are banning the export of donkey skins, Kenya is doing a brisk trade in the commodity so sou...Study with Quizlet and memorize flashcards containing terms like What is evolution, T or F: A horse and a donkey can produce a sterile mule, therefore horses and donkeys are the same species. Why.., Variation or adaption: The difference in the physical between organisms in a population. and more.The African wild ass (Equus africanus) or African wild donkey is a wild member of the horse family, Equidae. This species is thought to be the ancestor of the domestic donkey (Equus asinus), which is sometimes placed within the same species. They live in the deserts and other arid areas of the Horn of Africa, in Eritrea, Ethiopia and Somalia.It …Solution. Two organisms belong to the same species only if they can mate and produce fertile offspring.A horse and a donkey can mate with each other. Their offspring, called a mule is not fertile. So, horses and donkeys do not belong to … The text Ultrasonic Imaging and Animal Reproduction: Horses was used as a template for the experimental design of this project. It was also used to compare the results that we found in the donkey to the results of the horse. Each of the papers has followed the donkey pregnancy from conception to Day 60. Solution. Two organisms belong to the same species only if they can mate and produce fertile offspring.A horse and a donkey can mate with each other. Their offspring, called a mule is not fertile. So, horses and donkeys do not belong to …From the heart-pounding thrill of the chase to the serene stillness of nature, hunting is more than a sport – it’s a passion, a tradition, and a connection to the wild. At Deer Donkey, our highly skilled experts will share their best tips, tricks, and strategies to turn your hunting experience from good to ‘I’ll Never Forget!”.No a mule can not produce, for the record, donkeys can reproduce but unfortunately, this hardy creature called “mules” can not reproduce at all. And there is a legitimate reason that our readers might not be aware of. Rest assured, we would surely be discussing this matter in detail. First of all, allow us to introduce mules just so our ...Well, the answer is no, they cannot. Although deer and moose may look similar with their long legs and antlers, they belong to different groups called species. Think of it like this: deer and moose are like different clubs, and each species is a member of their own club. Just like humans cannot have babies with monkeys because they belong to ...Jun 1, 2023 · Cows and horses cannot crossbreed even though they can mate. Their size and body composition make mating possible, while their genetics make successful breeding impossible. They can, however, crossbreed with other animals that may be on a farm. hardy_katrin_sirion. 386 followers. One peculiarity of donkey reproduction is the longer time it takes for the jack to achieve an erection and ejaculate. Jacks will usually need 5-30 minutes (compared with 10-11 minutes) to complete a breeding. The teasing behavior usually includes vocalization, sniffing the vulva of the female, flehmen and one or more mounts before penile ... The chances that two different species can form working homologous pairs are slim. Males of interspecies hybrids are usually sterile (their sperm doesn’t develop completely), and fertile females appear rarely. Our molly mule has an extra strike against her because horses have 64 chromosomes (32 pairs), and donkeys have 62 …Horses and zebras can reproduce, and whether the result is a zorse or a hebra depends on the parents. It’s an unusual pairing usually requiring human help. ... equine hybrids can be trained like other domestic donkeys and horses. Can a deer and a horse mate? No. Not only are they different species, they are different orders. Deer are Artiodactyla, even …A horse has 64 chromosomes and a donkey has 62. A mule inherits 32 horse chromosomes from mom and 31 donkey chromosomes from dad, for a total of 63 chromosomes. Contents [ show] Categories: A gimerro is an animal born of a horse and a cow; or of a bull and a mare; or of an ass and a cow. The first two sorts are generally as …Feb 4, 2021 · The donkeys and horses are usually brought together to reproduce a mule or hinny because they are stronger, hardy, and much easier to keep than horses. Zeedonks is also known as zebronky, zonkey, zebadonk, zonkey, and Debra, etc. Like mules and hinnies, they also can not reproduce but they are a little harder to be misunderstood as a donkey ... Generally speaking, donkeys can pull about twice their body weight across flat, even terrain. They’ll have more difficulty going up and down hills. As for what they can withstand on their back, an average-sized donkey (11 hh) can carry an average-sized person (150 pounds). For bigger loads, you’ll need a bigger donkey.Can a horse and a donkey's offspring reproduce? Flexi Says: When a male donkey mates with a female horse, a mule is produce that can be of either sex. Since mules are …Upholding Ethics: The Role of Hunting Laws. Ethics are integral to responsible hunting. With animal welfare in mind, hunting laws ensure humane, fair-chase hunting. They set rules for when, where, and what we can hunt, thus reducing suffering and advocating fair game. Following these rules shows our respect for wildlife and our fellow hunters.animals. Female donkeys are called jennets, while male donkeys are called jacks. Figure 1: Donkeys being used as pack animals in the Nuñoa District, Peru Reproduction is an important part of donkey stewardship whether in the United States or around the world. With the world population on the rise and the need for more food production“Donkey” and “burro” are two words that refer to the same animal. “Donkey” is used to refer to the domesticated version, and “burro” is used to refer to smaller donkeys or wild don...Why can mules not reproduce? The horse has 64 chromosomes (32 pairs), and the donkey has 62 (31 pairs). When they are mated, the mule receives 63 chromosomes (32 from the horse and 31 from the donkey). During meiosis, the chromosomes are not in pairs, and, as their number is halved, the sex cells usually end …Chinese demand for donkey gelatin could decimate African countries' donkey populations. African countries are beginning to worry about their donkeys. Niger announced this week that...Dec 29, 2023 · In this case, the question arises: can a deer and a horse mate? The idea of these two majestic creatures coming together to create a hybrid offspring is intriguing, and the answer may surprise you. Let's delve into the realm of animal reproduction and explore whether such a union is scientifically possible. China is redirecting its trade of donkey hides. China has a plan to address the ban on exports of donkey slaughter imposed by many African countries it was used to trading with: to...Nov 16, 2022 · So, it’s entirely possible for an adult buck’s home range to overlap the ranges of his own female offspring of breeding age, and the odds climb as he gets older. They’ve never documented an individual buck that bred the same doe in multiple years, even though both adults lived in the same area. Dispersal is only the first of many ... Sterile Offspring: Like mules, most zonkeys are sterile and cannot reproduce, a result of the differing chromosome numbers in their zebra and donkey parents. Personality Traits: Zonkeys inherit traits from both parents, leading to a diverse range of temperaments, from the docility of donkeys to the wilder nature of zebras. Upholding Ethics: The Role of Hunting Laws. Ethics are integral to responsible hunting. With animal welfare in mind, hunting laws ensure humane, fair-chase hunting. They set rules for when, where, and what we can hunt, thus reducing suffering and advocating fair game. Following these rules shows our respect for wildlife and our fellow hunters.Deer are herding herbivorous animals that are found in temperate forests, temperate swamps, boreal forests, and cold bogs. Males of the species are called Bucks and can be distinguished by the presense of antlers and larger visual size, while females are called Does and are visually smaller and lack antlers. Young deer of both genders are …Apr 28, 2021 · Because most donkeys live into their 40s and 50s, a female donkey can safely reproduce into her 20s. A male donkey can easily reproduce into his 40s. After jennets, or female donkeys, pass their early 20s, they may have fertility issues. Jacks, or male donkeys, tend to start having fertility issues in their 40s. Sort by: bonkly68. • 3 yr. ago. Eugene McCarthy is an authority on hybrids, having published books on the topic. You can check out his website. Many hybrids more distant than reindeer and whitetail deer are documented, so the hybrid you've seen …
A barrier that acts after fertilization to prevent the formation of viable and fertile offspring. Hybrid inviability: the gametes fuse and a zygote forms, but the resulting embryo dies in the early developmental stages before birth Hybrid sterility: a viable hybrid is produced, but the hybrid is sterile (ex. cannot reproduce). For example, a horse and a donkey can …. Short spiky hairstyles for thin hair
Jun 1, 2023 · Cows and horses cannot crossbreed even though they can mate. Their size and body composition make mating possible, while their genetics make successful breeding impossible. They can, however, crossbreed with other animals that may be on a farm. hardy_katrin_sirion. 386 followers. Can a horse and a donkey's offspring reproduce? Flexi Says: When a male donkey mates with a female horse, a mule is produce that can be of either sex. Since mules are …The mating of a male horse, known as a stallion, and a female donkey, known as a jenny, is possible. However, the resulting offspring, known as a mule, is usually sterile. This means that mules are generally unable to reproduce and have offspring of their own. The genetics behind mule reproduction are complex.You can make mules by breeding a male donkey with a female horse. but mules themselves can not reproduce. They are sterile. (99.9% of the time) note: a hinny is the baby of a male horse and a ...10 The Rabbit-Man Grown In A Dish. The first successful human-animal hybrid was developed in a laboratory dish in Shanghai in 2003. A team of scientists fused human cells in rabbit eggs, creating the embryos of a new creature that was half-rabbit and half-human. They certainly weren’t the first people to try it.Hinnies are mules which are sterile, there is about a 5% chance that females will be able to reproduce again. Male mules are 100% unable to reproduce offspring.Horses and zebras can reproduce, and whether the result is a zorse or a hebra depends on the parents. It’s an unusual pairing usually requiring human help. Other zebra hybrids include the zonkey. Properly imprinted, equine hybrids can be trained like other domestic donkeys and horses. Can a deer and a horse mate?The first advantage of keeping donkeys with cows is their ability to protect the herd. Donkeys are known to be excellent guard animals, and when paired with cows, they help deter predators such as coyotes and wild dogs. Donkeys are alert and vocal, which helps warn the cows of potential danger. They will often kick or chase predators …Jun 10, 2023 · There are many success stories of donkey-cow partnerships around the world. For example, some farms use donkeys to help with herding their cows to pasture or to the milking parlor. Animal sanctuaries often pair donkeys with cows that have been rescued from abusive situations, as the calming presence of the donkey can help the cow recover from ... Often over 800 pounds; horse hooves and thin mane. Large like horses, but still have donkey legs; Reproduction Born from a male horse and female donkey; most hinnies are born sterile Born from a female horse and a male donkey; most mules are born sterile; Purpose Usually accidental, but still useful ... A female horse can produce a …with a higher foal and mother neonatal mortality. The best age for reproduction in jennets is between 5 and 15 years old but, if breed regularly, some females can foal with success pass their ....