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red white and roan bull 주제에 대한 동영상 보기
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d여기에서 Lot 7 Heifer | Sired By Red, White \u0026 Roan – red white and roan bull 주제에 대한 세부정보를 참조하세요
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Matt Lautner’s double clean Shorthorn bull with a who’s who of steer genetics. He’s sired many champions! TH – Free PHA – Free DS – Carrier. CED. 5. BW.
Source: cattlevisions.com
Date Published: 8/6/2021
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Red, White and Roan – Bovine Elite
Red, White and Roan · Percent: SH96.88 · Horn Status: Horned · Color: Red, White, Roan · Birth Wt: 81 · TH: Free · PHA: Free · DS: Carrier.
Source: www.bovine-elite.com
Date Published: 1/23/2021
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Red, White, and Roan – SEK Genetics
Red White And Roan is a THF/PHAF Sire that has extra muscle and wth that the Shorthorn breed has gotten away from over the last 10 years.
Source: sekgenetics.mybigcommerce.com
Date Published: 4/25/2021
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Red, White and Roan – Cattle.com
Red, White and Roan TH FreePHA Free. General Info. Breed: Shorthorn Born: 3/13/2013 (9 yrs) Owned By: Matt Lautner Cattle, Fair Cattle
Source: www.cattle.com
Date Published: 3/4/2022
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Fair Red White and Roan Club Calf bull – Genesource
Fair Red White and Roan is one of the most popular Shorthorn dual purpose sires and he is available at Genesource Use Red, White, and Roan to make more…
Source: www.thegenesource.com
Date Published: 3/1/2022
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Red, White, and Roan – Matt Lautner Cattle
Red, White, and Roan. Image. SIRE. Jake’s Proud Jazz. DAM. KG Cinderella (Double Stuff X Diamond Lets). DOB. March 13, 2013. BW. 81 Pounds. BREED.
Source: mattlautnercattle.com
Date Published: 5/9/2022
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The inheritance of red, roan and white coat colour in dairy …
Inheritance of red, white and roan in Shorthorn cattle is best explained on Ibsen’s 1933 theory that red (R) is hypostatic and homozygous in all Shorthorns, …
Source: link.springer.com
Date Published: 5/4/2022
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주제에 대한 기사 평가 red white and roan bull
- Author: Matt Lautner
- Views: 조회수 945회
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- Date Published: 2016. 9. 2.
- Video Url link: https://www.youtube.com/watch?v=-2QeVXhrdMA
What are the genotypes and phenotypes of offspring from red cow and roan bull cross?
These two alleles show codominance and the hybrid genotype (Ww) has a roan coloured coat. The genotype of a roan cattle is “Ww”, that of red is “WW” and that of a white one is “ww”. A cross between a roan bull and roan cow produces red, roan and white phenotypes in 1:2:1 ratio respectively.
What is roan calf?
Roaning is basically the intermixing of two different colored hairs – black and white make a blue roan while red and white make a red roan. In cattle with spots the roan only shows up in the area where the solid color would be – thus getting a totally blue cow is relatively unusual.
What breed is a roan cow?
Breeds of cattle known for roans are the Belgian Blue and Shorthorn. Among the former, coat color may be solid black, solid white, or blue roan; the latter may be solid red, solid white, or red roan. Belgian Blues also typically exhibit spotting patterns, which are genetically separate from roan.
How do you get a blue roan calf?
The black gene is dominant over red, and spotting is recessive, meaning both parents have to carry a spot gene, but neither has to BE spotted, to produce a spotted calf. The white or roan genes from Shorthorn will cross with any black gene to make blue roan.
What would be the result of a cross between a roan bull male and a white cow female )?
Answer and Explanation: The offspring from a mating a roan bull with a white cow will be roan and white in a 1:1 ratio.
Is roan color incomplete or codominance?
The roan coat color in horses is also an example of codominance. A “red” roan results from the mating of a chestnut parent and a white parent (Figure 2). We know this is codominance because individual hairs are either chestnut or they are white, leading to the red roan overall appearance.
What is a hybrid bull?
Hybrids are crossbreds having two distinct purebred parent breeds. Composites the result of mating among crossbred parents, normally creating animals with a similar percentage of a desired mix of more than two breeds through several generations of planning and selective breeding.
What color is dominant in cows?
All cattle basically possess one of three basic colors; black, red or white. The two genes each animal has for color can result in six possible genetic combinations. The gene for black is dominant to the gene for red; therefore, cattle with one gene for black and one gene for red (heterozygous) will be black.
Is a roan cow a purebred?
Although roan generally refers to cattle and horses with both red and white hairs, other roan colors also occur. The roan cow genotype for the blue cow happens when a purebred black cow (genotype CBCB) breeds with a purebred white cow (genotype CWCW), resulting in the genotype CBCW offspring.
What makes a red roan?
Red roan horses have a chestnut color base
A red roan is a horse with a base equine color of chestnut that is affected by the roan gene. (chestnut is also referred to as sorrel) This gene creates an even mixture of white hair intermingled with red hair over the horse’s body.
What color is roan?
Roan is a white patterning coat color trait of intermixed white and colored hairs in the body while the head, lower legs, mane, and tail remain colored. Roan horses are born with the pattern, though it may not be obvious until the foal coat is shed.
What does the color roan look like?
Roan is a horse coat color pattern characterized by an even mixture of colored and white hairs on the body, while the head and “points”—lower legs, mane, and tail—are mostly solid-colored. Horses with roan coats have white hairs evenly intermingled throughout any other color.
What offspring are expected from a roan bull and a roan cow?
Answer and Explanation: If we cross a roan bull with a roan cow, the progeny would be 25% red, 50% roan, and 25% white.
What genotype S will result in the cross between a red and a roan cattle?
…
| W | W | |
|---|---|---|
| W | WW | WW |
| R | WR | WR |
What phenotypes would you expect from a cross between a red bull and white cow?
What phenotypes would you expect from a cross between a red bull and a white cow? The phenotypes of the offspring will be 100% roan.
What is the genotype of a roan horse?
Roan: The allele Rn produces Roan horses with a mixture of 50 percent white hairs, with the remaining 50 percent being any base color. The head, mane, tail and lower legs can be solid in color and still be roan. All Roan horses produce a genotype of Rnrn or RnRn, while all non-roan horses are rnrn.
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Red, White, and Roan
Red, White, and Roan
REG #4202764
DOB: 3/13/2013
BW: 81
Sire: Jake’s Proud Jazz
Dam: KG Cinderella (Double Stuff X Diamond Lets)
TH: Free
PHA: Free
DS: Carrier
Horned
Red White And Roan is a THF/PHAF Sire that has extra muscle and width that the Shorthorn breed has gotten away from over the last 10 years.
A purebred Shorthorn Bull that can sire a steer of high value to go along with his heifer mates.
First calf reports are exceptional and some breeders report they plan to use him on their first calf heifers for 2015.
Displayed at the Missouri AGR in February, Red, White, and Roan recieved high praise and wide acceptance.
Click here for pedigree/EPD’s
Red, White and Roan
Red, White and Roan
Home Bull Semen Shorthorn Red, White and Roan
TH Free PHA Free
General Info
Pedigree
Online Sale Results
Shorthorn3/13/2013 (9 yrs)Matt Lautner Cattle, Fair Cattle#4202764
We have a record of 217 offspring that have been sold in online sales since 2015.
Online Offspring Sales by Year
The Red Cow: The Blue Cow
The Red Cow: The Blue Cow
By: Lana Kaiser Date: 07/9/2012 Category: | Animal Agriculture |
It was a “U” year when Mango (of the Fruit Family) gave birth to a blue roan heifer calf. We named her “Ultramarine” and called her Blue. The blue roan color in cattle is usually the result of breeding a black cow (or bull) to a white bull (or cow) and results in a wide variety of blue coloration depending on the ratio of black to white hairs. To get a solid blue calf you want to mate a solid colored (not spotted) animals. Mango (a Kumquat daughter) was a homozygous black cow and the sire (father) was white. Although we talk about black being dominant and red recessive, color pattern in cattle, like dogs, is much more complicated, and of course there are breed influences, so when you start crossing breeds you can get some really wild colors and patterns.
One of the most common breeds in the US is the Angus – they are black and polled, some are carriers of the recessive red gene. The Red Angus breed was developed 40 some years ago by a small group of cattle men and woman who had vision and foresight and realized that it was important to measure and record things. They basically obtained a group a red Angus cattle that the black Angus breeders didn’t want because of color. I personally, like the Red Angus breed better than the black, but like each breed of dog, each breed of cattle offers something different.
Hereford, Angus and Shorthorn breeds are considered “British” breeds while the Maine – Anjou, Charolais, Simmental, Chianina (among others) are considered “continental” breeds. The British breeds are well established and arrived in the US before 1900. Herefords a red white faced cattle. Shorthorns are multi patterned – red, white, and roan but not black and Aberdeen Angus were preferably black.
Although many of the “continental breeds” imported to the US and Canada is the 60s and 70s came in their original color, most have been influenced by the black Angus. The fullblood Maine-Anjou is a big, docile red and white and horned dual purpose (milk and meat) breed from France; the Chianina is a large white animal used in draft from Italy; Simmentals were large, rapidly growing red and white Swiss cattle; Charolais, also from France, were large, heavily muscled white cattle. Black is the preferred color in the US, so many of the continental breeds have infused the black color from Angus. Thus while many of the breed registries register cattle “by breed” just as many will register crossbred cattle. Of the major breeds, Angus and Hereford do not have crossbreeding registries.
But I digress – from the time she was a calf, Blue stood out in the pasture – you would notice her because in a herd of mostly solid colored cattle (red and black) she was unusual – people were shocked to see a blue cow. It was always with great anticipation that we awaited the birth of Blue’s calves – what kind of funky color would they be? The roan pattern, common is Shorthorn cattle, is inherited as a heterozygous genotype. Roaning is basically the intermixing of two different colored hairs – black and white make a blue roan while red and white make a red roan. In cattle with spots the roan only shows up in the area where the solid color would be – thus getting a totally blue cow is relatively unusual.
This year, 2012, Blue was due on March 10th, but of course Mother Nature being who she is we always start checking cows before the due date. It had been a busy time, besides calving out cows our ancient Beagle was in kidney failure and because we had taught her to ask to go out, we were getting up very often in the night and felt pretty much sleep deprived. On a brisk February afternoon we were checking cows and it was clear Blue was going to calve in the very near future. It seemed if we took a 30 minute nap we could come back out to the barn and be available should the cow need some help – but she is a cow, not a heifer, and we expected the calf to be up and nursing when we returned in 30 minutes.
Well if you are tired and need to get up in half an hour you really need to set an alarm. Two and a half hours later we woke with a start and literally ran to the barn semi clothed for winter weather. And there, lying on the ground, completely cleaned off by her mother was a beautiful dead heifer calf. I was immediately immersed in a very heavy does of bovine guilt – if I had gotten up – if I had been there – if…
Every calf that dies on my farm is necropsied (equivalent of a human autopsy) – I want to know, heck I need to know could I have done something different to change the outcome. Bovine guilt. I started looking at the calf – maybe there was a clue as to why she died or what I should or could have done to change the outcome. I looked at her eyes – they were not cloudy (suggesting that she had not been dead in utero) and there were no cataracts (sign of an infectious disease). Her gums were not pale (suggesting she did not die from lack of blood) and her teeth were fully erupted and not loose (suggesting she was full term). When I opened her mouth I was struck immediately by the abnormality of her upper palate – it was basically missing (cleft palate). There are various degrees of cleft palate, and while they may make nursing and eating difficult, alone cleft palate is not lethal, Cleft palate has been reported in different breeds of cattle, sometimes seen with skeletal abnormalities and related to a toxin and sometimes believed to be inherited. We had recently begun investigating a syndrome in Shorthorn cattle that was a combination of hydrocephalus (water on the brain) and cleft palate. Since Blue is a half blood Shorthorn (from the sire) and the sire of this calf was a Shorthorn it was imperative that we determine if she also had hydrocephalus. Sometimes hydrocephalus is very obvious – a big domed skull and you can feel the fluid where the skull bones are not together. Sometimes the head looks normal and the pressure of the fluid squishes the brain (internal hydrocephalus) – that was the case with Blue’s calf. The brain was so compressed that it basically could not perform the basic functions – like telling the calf to breath – we know the calf didn’t breath because the lungs did not float (air in the lungs makes them buoyant and they will float in water). We took samples from the calf and Blue as well as a straw of semen from the sire and sent them to our favorite cattle gene guru Dr Jon Beever who has identified most of the genetic mutations in cattle. Hydrocephalus was the cause of death in this calf and my bovine guilt was assuaged.
There is an old farmer saying: “If you’re gonna have livestock you’re gonna have dead stock” and something like “but it doesn’t mean you have to like it.”
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Roan (color)
Roan is a coat color found in many animals, including horses, cattle, antelope, cat and dogs. It is defined generally as an even mixture of white and pigmented hairs that do not “gray out” or fade as the animal ages.[1] There are a variety of genetic conditions which produce the colors described as “roan” in various species.
Bay Roan with corn marks
Roan horses [ edit ]
Two blue roans with white hairs intermingled with a black base coat.
A horse with intermixed white and colored hairs of any color is usually called a roan.[2] However, such mixtures, which can appear superficially similar, are caused by a number of separate genetic factors. Identifiable types of roans include true or classic roan, varnish roan, and rabicano, though other currently unknown factors may be responsible for ambiguous “roaning.”[3] Gray horses, which become lighter as they age until their hair coat is nearly completely white, may be confused with roans when they are young.[2] Duns, which are solid-colored horses affected by the dun dilution factor on their bodies but with darker points, are also sometimes confused with roans, but they do not have the intermixed white and colored hairs of a roan.
Horses with the classic or true roan pattern may be any base color which is intermingled with unpigmented white hairs on the body. Except for white markings under the control of other genes, the head, mane, tail, and lower legs are dark.[2] Roan is a simple dominant trait symbolized by the Rn allele.[3] The University of California, Davis School of Veterinary Medicine’s genetics services have developed a DNA test that uses genetic markers to indirectly determine the number of Rn or rn alleles a horse has.[3] The mutation responsible for true roan has not yet been identified exactly, but been assigned to equine chromosome 21 (ECA21) in the KIT sequence.[4] The overall effect is that of a silver or lightened appearance to the affected part of the coat. Descriptions of roan coat colors are as follows:
Red Roan or strawberry roan describes true or classic roan on a chestnut base coat. The mane and tail remain red or have only a few white hairs, while the body ranges from nearly chestnut to pinkish. Geneticists prefer the term “chestnut roan,” but this term is not in common use.
or strawberry roan describes true or classic roan on a chestnut base coat. The mane and tail remain red or have only a few white hairs, while the body ranges from nearly chestnut to pinkish. Geneticists prefer the term “chestnut roan,” but this term is not in common use. Bay Roan is true roan on a bay coat. The particular shade depends on the underlying shade of bay; but the mane, tail, and lower legs are black, and the reddish body is intermingled with white hairs. The head is usually red. Formerly, bay roans were lumped together with chestnut roans and both called “red roans.”
is true roan on a bay coat. The particular shade depends on the underlying shade of bay; but the mane, tail, and lower legs are black, and the reddish body is intermingled with white hairs. The head is usually red. Formerly, bay roans were lumped together with chestnut roans and both called “red roans.” Blue Roan is true roan on a black coat. The mane, tail, head, and legs remain black, while the body takes on a grayish or bluish appearance. Blue roans are sometimes mistaken for grays or grullos. However, Grays fade with age, while roans do not; and grullos are blue duns and possess dun markings but not intermingled white hairs.
Any other coat color may also be affected by roaning. Few combinations have the same unique terminology applied to the common roan colors, although palomino roans are sometimes called honey roans.
A varnish roan Appaloosa , showing white sclera, mottled skin, and darker bony regions such as the cheekbones.
Roan mimics [ edit ]
A black rabicano stallion showing classic ticking on flanks and a white Skunk tail (Photo courtesy of Koning Sport Horses)
A varnish roan is not a true roan; it is actually one of the leopard complex coat patterns associated with Appaloosa, Knabstrupper, Noriker horse and related breeds. Rabicano is a white pattern that falls into the category of roaning or scattered white hairs, the genetics of which are not yet fully understood.[2] Sometimes called ticking, rabicano is common even in breeds that do not have true or classic roan, including Arabians and Thoroughbreds. This pattern usually takes the form of scattered white hairs around the junction of the stifle and flank, and peculiar rings of white hairs near the base of the tail. This trait is called a coon tail or skunk tail.[5] Some forms of sabino, which is a pinto pattern, have roaning along the edges of other white spots or markings A roan horse may not fit into any of the traditional categories as there is much still to be learned about the genetics of roan. The existence of other types of roaning conditions not covered by those mentioned here is possible and likely.[2]
Roan dogs [ edit ]
The genetics behind roan dogs are still unclear, and at present candidate genes have been ruled out.[6] There remains a great deal of ambiguity in terminology regarding mottled dogs, which are called roan, ticked, mottled and belton depending on the context. The roan or ticked color is described in many breeds of gundogs such as English Cocker Spaniels, American Cocker Spaniels, English Springer Spaniels, Field Spaniels and Brittanys, German Longhaired Pointers, German Shorthaired Pointers, Bracchi Italiani, Spinoni Italiani, Lagotti Romagnoli, English Setters, Small Münsterländer as well as Border Collies and many other breeds.
In dogs, roan manifests itself only in unpigmented areas, the presence and shape of which are determined by other genes.[7] This is in stark contrast to true roan horses and roan cattle, which are roan only in pigmented regions of their coat and may have white markings. Instead, dogs with roaning or ticking are born with clear, open white markings which begin to fill in with flecking in the subsequent weeks and continue to darken with age.[8] Most breed standards use the terms “ticked” and “roan” interchangeably, with the former referring to clearly defined flecks on a white background and the latter to flecks so closely spaced that the mixture appears even.[9]
The terminology that relates the underlying coat color with the roan modifier is often breed-specific, but most standards call a black dog with roaning blue. In breeds that are characterized by roaning and ticking such as the Large Munsterlander, clear white-marked individuals may be called plated.[7] The term belton is reserved for English Setters.
In 1957, Little suggested that roan and ticking were controlled separately, and postulated that roan may have been homologous to “silvered” coat in mice.[9] This condition in mice is actually homologous to merle, which might be described by some as “roan.”[10] In 2007, the gene responsible for roan cattle (KITLG) was refuted as a possible cause of roan in dogs. Neither roan nor ticking, if they are independently caused, appear to be recessive.[6]
Roan cattle [ edit ]
Breeds of cattle known for roans are the Belgian Blue and Shorthorn. Among the former, coat color may be solid black, solid white, or blue roan; the latter may be solid red, solid white, or red roan. Belgian Blues also typically exhibit spotting patterns,[11] which are genetically separate from roan. As a result, most roan cows exhibit blotches of clearly colored and clearly white hair, with roan patches.[12] Some “cryptic” roan cattle appear solid, but upon close inspection reveal a small roan patch.[13] Roan cattle cannot “breed true” but breeding white cattle to a solid mate will always yield a roan calf. The white color typical of Charolais and White Park breeds is not related to roan.[14]
Roan in Shorthorns and Belgian Blues is controlled by the mast cell growth factor (MGF) gene, also called the steel locus, on bovine chromosome 5.[15] Part of the KIT ligand, this region is involved in many cell differentiation processes. Mast cell growth factor promotes pigment production by pigment cells,[16] and without it, skin and hair cells lack pigment. With two functional MGF genes (homozygous dominant), cattle are fully pigmented; without any functional MGF genes (homozygous recessive), they are white. MGF-controlled roan occurs when cattle possess one functional and one non-functional MGF gene (heterozygous), resulting in a roughly even mixture of white regions and colored regions.[13]
The reproductive condition “White Heifer Disease,” associated with the MGF gene, is characterized by homozygous MGF-white heifers with incomplete reproductive tracts.[17]
Roan guinea pigs [ edit ]
The roan coloration of guinea pigs is linked to microphthalmia. The allele that controls roaning in guinea pigs is incompletely dominant: an animal with one copy of the allele will have varying amounts of white hair scattered through its coat, particularly on the back and sides.
About 25% of guinea pigs born to two roans are completely white, having two copies of the “roan” allele, and may have a constellation of deformities associated with “lethal white syndrome”, although this condition has no relation to overo lethal white syndrome in horses or double merle syndrome in dogs. Lethal white guinea pigs (“lethals”) often die shortly after birth or at weaning age, but with hand-feeding and regular dental care, lethals may live 2 to 3 years. Some lethals have reportedly lived to 6 or 7 years. It is worth noting that, unlike anophthalmic hamsters, guinea pigs with the condition are not sterile, but females may be unable to deliver live young.
Lethal white syndrome symptoms include:
Partial or complete blindness
Partial or complete deafness
Microphthalmia or anophthalmia
Unpigmented eyes
Missing or deformed incisors
Deformed molars
Elongated tooth roots
Malabsorption in the small intestine, due in some cases to lack of intestinal villi
Increased susceptibility to illness
Roan coloration is not to be confused with the “magpie” coloration of guinea pigs, which is a brindle color lacking red pigment due to the “chinchilla” allele, an allele also responsible for self white and silver agouti coloration.
See also [ edit ]
what is the deal on blue roan calves
While the blue roan trend is not one that everyone is chasing, there does seem to be more and more cattle producers thinking of trying it… at least in this area. We have had 3 visitors in the last 10 days all wanting to look at the bull calves, especially the white bull calves. Of course, this year we only have 2 white bulls. We have several red neck roan bulls and I find it interesting that some of these producers seem to think that the blue roan color only comes from using a white bull. It used to be that a white horned bull was a curse in the Shorthorn breed because he would have to be amazing to find someone who wanted to buy him. Right now, I find them fairly easy to sell. For the past 3 years I have not had enough white or light roan bulls to meet the demand. Of course, about the time a person gets more of them born, the trend will probably change!!
The inheritance of red, roan and white coat colour in dairy shorthorn cattle
1.
Inheritance of red, white and roan in Shorthorn cattle is best explained on Ibsen’s 1933 theory that red (R) is hypostatic and homozygous in all Shorthorns, and that white is due to a factor (N) which in the heterozygote gives roan.
키워드에 대한 정보 red white and roan bull
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