Growth rates at the extremities of limb bones in young horses.
Abstract: Measurements were made of growth at the extremities of all the long bones of the left limbs of 23 horses between 52 and 104 days of age. Growth rates were more rapid in the younger than in the older animals. Growth was more rapid in the hind limb than in the forelimb. Growth rates were greater for males than in females. Although this age group represents only two of the 60 or so months necessary for maturity to be reached, oxytetracycline bone-labelling produced results which are more precise than measurements obtained by other methods. This study provides a substantial amount of data for an age group of horses whose growth rate has not been well documented.
Publication Date: 1981-02-01 PubMed ID: 7225994PubMed Central: PMC1789858
The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
- Journal Article
Summary
This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.
The research paper deals with a study on the growth rates of limb bone extremities in young horses, showing that the rates are more elevated in younger horses, males, and in the hind limbs.
Research Context
- The research focuses on the study of growth rates in bone extremities, specifically those in the long bones of a horse’s limbs. More accurately, the research set out to measure these growth rates for a group of young horses between 52 and 104 days old, which is a period during the juvenile development stage of a horse’s life that hasn’t previously been well-explored.
Methods
- The study utilized measurements taken from all the long bones of the left limbs of 23 horses in the specified age range to observe growth rates.
- To improve the precision of these measurements, the research team made use of oxytetracycline bone-labelling, which is a technique that involves giving animals injections of oxytetracycline antibiotic, which then gets inserted into the mineralized tissue. This forms a fluorescent complex that can be easily seen under UV light – allowing researchers to measure the newly formed bone since the prior marker was inserted.
Findings
- The research found that the growth rates were more rapid in younger horses compared to the older ones. This adds evidence to the previously established knowledge that growth rates decrease as an animal develops, particularly when it progresses past infancy or early youth stages.
- The study also highlights faster growth rates in the hind limbs than the forelimbs. This piece of information could be beneficial in understanding species-specific development patterns in horses, potentially aiding in better veterinary care or procedures designed for young horses.
- Another observation is that male horses exhibit faster growth rates than female horses within the same age range. This reveals the potential for significant gender-based differences in developmental rates, which may have implications for breeding, rearing, and horse-care strategies.
Contribution to Knowledge
- While the research covers only two out of approximately 60 months needed for a horse to mature, it provides an important insight into the growth and development of horses during a stage that had previously been under-documented.
- Given the specificity of the studied population (young horses aged between 52 and 104 days), the results obtained significantly enrich the comparative baseline data on equine morphological development.
Cite This Article
APA
Goyal HO, MacCallum FJ, Brown MP, Delack JB.
(1981).
Growth rates at the extremities of limb bones in young horses.
Can Vet J, 22(2), 31-33.
Publication
Researcher Affiliations
MeSH Terms
- Animals
- Bone Development
- Extremities / growth & development
- Female
- Horses / growth & development
- Male
References
This article includes 23 references
- Hansson LI, Menander-Sellman K, Stenström A, Thorngren KG. Rate of normal longitudinal bone growth in the rat.. Calcif Tissue Res 1972;10(3):238-51.
- Hall-Craggs EC. Influence of epiphyses on the regulation of bone growth.. Nature 1969 Mar 29;221(5187):1245.
- Krahmer R. [Skeletal growth changes in female German black-colored cattle from birth to the end of growth (5 years) with special reference to the extremities. II. Hindlimbs and conclusion].. Anat Anz 1972;131(1):146-56.
- Tiisala R, Kantero RL, Tamminen T. A mixed longitudinal study on skeletal maturation in healthy Finnish children aged 5 to 10 years.. Hum Biol 1971 May;43(2):224-36.
- LANGENSKIOLD A. Inhibition & stimulation of growth.. Acta Orthop Scand 1957;26(4):308-16.
- Green DA. Growth rate in thoroughbred yearlings and two year olds.. Equine Vet J 1976 Jul;8(3):133-4.
- Brown MP, MacCallum FJ. Observations on growth plates in limbs of foals.. Vet Rec 1976 May 29;98(22):443-6.
- Simon MR. The effect of dynamic loading on the growth of epiphyseal cartilage in the rat.. Acta Anat (Basel) 1978;102(2):176-83.
- Moss-Salentijn L. Studies of long bone growth. I. Determination of differential elongation in paired growth plates of the rat.. Acta Anat (Basel) 1974;90(1):145-60.
- Payton CG. The Growth in Length of the Long Bones in the Madder-fed Pig.. J Anat 1932 Apr;66(Pt 3):414-25.
- Lee MM. Natural markers in bone growth.. Am J Phys Anthropol 1968 Sep;29(2):295-310.
- Brown MP, MacCallum FJ. A system of grading ossification in limbs of foals to assist in radiologic interpretation.. Am J Vet Res 1975 May;36(5):655-61.
- FOLLIS RH Jr, PARK EA. Some observations on bone growth, with particular respect to zones and transverse lines of increased density in the metaphysis.. Am J Roentgenol Radium Ther Nucl Med 1952 Nov;68(5):709-24.
- Payton CG. The Position of the Nutrient Foramen and Direction of the Nutrient Canal in the Long Bones of the Madder-Fed Pig.. J Anat 1934 Jul;68(Pt 4):500-10.
- MacCallum FJ, Latshaw WK, Kelly RE. Identification of postnatal ossification sites: a contribution to radiographic interpretation.. Br Vet J 1971 Feb;127(2):83-7.
- Brown MP, MacCallum FJ. Anconeal process of ulna: separate centre of ossification in the horse.. Br Vet J 1974 Sep-Oct;130(5):434-9.
- MacCallum FJ, Brown MP, Goyal HO. An assessment of ossification and radiological interpretation in limbs of growing horses.. Br Vet J 1978 Jul-Aug;134(4):366-74.
- Sarnat BG. Growth of bones as revealed by implant markers in animals.. Am J Phys Anthropol 1968 Sep;29(2):255-85.
- SISSONS HA. Experimental determination of rate of longitudinal bone growth.. J Anat 1953 Jul;87(3):228-36.
- VANDERHOEFT PJ, KELLY PJ, PETERSON LF. Determination of growth rates in canine bone by means of tetracycline-labeled patterns.. Lab Invest 1962 Sep;11:714-26.
- Green DA. A study of growth rate in thoroughbred foals.. Br Vet J 1969 Oct;125(10):539-46.
- RING PA. The effects of partial or complete excision of the epiphyseal cartilage of the rabbit.. J Anat 1955 Jan;89(1):79-91.
- Lutfi AM. The role of cartilage in long bone growth: a reappraisal.. J Anat 1974 Apr;117(Pt 2):413-7.
Citations
This article has been cited 3 times.- Richbourg HA, Mitchell CF, Gillett AN, McNulty MA. Tiludronate and clodronate do not affect bone structure or remodeling kinetics over a 60 day randomized trial. BMC Vet Res 2018 Mar 20;14(1):105.
- Firth EC. The response of bone, articular cartilage and tendon to exercise in the horse. J Anat 2006 Apr;208(4):513-26.
- Lepage OM, Marcoux M, Tremblay A, Dumas G. Sex does not influence serum osteocalcin levels in standardbred horses of different ages. Can J Vet Res 1992 Oct;56(4):379-81.
Use Nutrition Calculator
Check if your horse's diet meets their nutrition requirements with our easy-to-use tool Check your horse's diet with our easy-to-use tool
Talk to a Nutritionist
Discuss your horse's feeding plan with our experts over a free phone consultation Discuss your horse's diet over a phone consultation
Submit Diet Evaluation
Get a customized feeding plan for your horse formulated by our equine nutritionists Get a custom feeding plan formulated by our nutritionists