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Thursday, July 9, 2020 | History

1 edition of Importance of ram breed in fat lamb production found in the catalog.

Importance of ram breed in fat lamb production

Importance of ram breed in fat lamb production

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Published by Agricultural Experiment Station, Oregon State College in Corvallis, Ore .
Written in English

    Subjects:
  • Sheep -- Breeding.

  • Edition Notes

    Statement[O.M. Nelson ... et al.].
    SeriesStation bulletin / Oregon Agricultural College Experiment Station -- 489., Station bulletin (Oregon State College. Agricultural Experiment Station) -- 489.
    ContributionsNelson, Oran M.
    The Physical Object
    Pagination[4] p. :
    ID Numbers
    Open LibraryOL16017665M

      Carcass weight and length, fat depth, weight of Kidney-pelvic fat, Quality grade, Loin eye size, Yield grade. Lactation Traits for Dairy ewes. Daily milk production recorded at monthly intervals Length of lactation. Fat and protein composition of the milk. Most of the economically important traits considered for selection can be measured by the. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): were compared for lamb production, lactation performance, and udder morphology traits in a dairy sheep production environment in The ewe lambs were the progeny of seven East Friesian and five Lacaune sires. A contemporary group of high percentage East Friesian ewe lambs (> 3/4 East Friesian, n = 15), sired.

    The breed that stands out the most to me in this variety is the Finn sheep. They are known for naturally being great reproducers. So as mentioned above, if you need a large number for a meat source, or if you plan on breeding as a means of support for your homestead, then you might want to consider one of these breeds. The history of the domestic sheep goes back to between and BCE, and the domestication of the wild mouflon in ancient Mesopotamia. Sheep are among the first animals to have been domesticated by humans, and there is evidence of sheep farming in Iranian statuary dating to that time period. These sheep were primarily raised for meat, milk, and skins.

    The use of the "ram effect" is the most important management tool to use in improving the fall lambing rate. The ram effect is a phenomenon where anestrous ewes are induced to begin cycling by the introduction of a ram. Ewes must have had no previous ram exposure for a minimum of three to four weeks. This means not even fence line contact. The Assaf sheep is a breed of domestic sheep which was originated from Israel. It was developed by crossbreeding the Awassi and East Friesian sheep. It is a dual-purpose animal and raised for both meat and milk production. But it is used primarily for milk production. Along with the availability in it's native area, the breed has also spread to other Mediterranean countries.


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Importance of ram breed in fat lamb production Download PDF EPUB FB2

Importance of ram breed in fat lamb production. A BREEDING experiment, the object of which was to find the breeds best suited for the production of fat lambs in the hill pasture areas of western Oregon, was begun in when common crossbred Western ewes (Lincoln x Rambouillet) were mated with Romney, Hampshire, and Southdown by: 2.

You do not have access to any existing collections. You may create a new by: 2. (). A comparison between 15 ram breeds for export lamb production 1.

Liveweights, body components, carcass measurements, and composition. New Zealand Journal of Agricultural Research: Vol. 38, No. 3, pp. Cited by: ram breeds under export lamb conditions have been published by Kirton et al. () and Geenty et al.

(), and Kirton et al. (b, ) and Meyer & Kirton () compared ram and sheep breeds for growth rate and carcass composition under more extensive conditions.

Clarke et al. () reported some carcass measurements on exotic sheep. Example: To find the adjusted day weight of a ram lamb born and reared as a twin from a 2-year-old ewe that weighed 90 pounds at days of age, make the following calculations: 90 pounds at days of age pounds x = 98 pounds x (adjustment factor) = pounds The adjusted day weight of the lamb would be pounds.

Selecting breeding rams is arguably the most important decision a sheep producer needs to make. After 4 generations, over 90% of the flock’s genetics are contributed by the ram.

Therefore, careful consideration needs to go into each breeding decision. Type of breed had a marked effect on internal fat deposition, the ewe breeds having heavier weights of both kidney knob and channel fat (KKCF) and caul fat (omental fat) than the ram breeds; and on the length oflimb bones, the Importance of ram breed in fat lamb production book breeds having longer but thinner bones than the ram breeds.

condition scoring is an assessment of percent of body fat the male has and is determined by feeling the ribs and spine of the ram or buck as well as a visual assessment.

Ideally, rams and bucks should enter the breeding season with a BCS of 3 to on a scale of 1 to 5 (1 being very thin and 5 being overweight). If the animal is too thin. In sheep rations, the amount of protein is much more important than quality of protein.

However, since the sheep is a ruminant, mature sheep use effectively the naturally occurring protein and nonprotein nitrogen (urea) in their diets. Common sources of natural protein supplements include cottonseed, soybean, sunflower, linseed, and peanut meals.

amount of muscle and fat a sheep is carrying at a certain time. This information can be used to increasing to a prior to breeding. It is important to maintain a body condition score of for the first 30 important to ensure that ram lambs receive. Indigenous sheep breeds.

Widely distributed throughout the country are a number of outstanding local breeds of sheep. They are fat-tailed carpet wool breeds and admirably adapted to cold environments.

These different breeds of sheep undoubtedly constitute a valuable, although little-known, component of the animal genetic resources of the world.

Maximize ram breeding potential (higher ewe-to-ram ratio), thus allowing for fewer rams to keep, manage and replace. Decrease the number of open ewes. In single ram operations, a BSE can save the producer from the disaster of no lamb crop.

These attributes add to the bottom line in the production. Reproduction in the ram. The ram is the most important member of the flock, yet often the most neglected. Not only does he contribute half of the genetics to the flock, but his success as a breeder will go a long way towards ensuring a profitable lamb crop.

Puberty. Only the rams, the original ewes, and the ram lambs are listed in the table because they are the most important members of the rescue breeding program.

When the daughters enter the breeding program, mate them to whatever ram lamb is scheduled to breed with their mother. Fat lambs As the wool price continues to slide more wool producers are focussing on selling fat lambs to meat processors.

Farmers with medium fibre merinos will do well, according to Mr Campbell, because those sheep can be sired with a meat producing breed of ram and used to produce fat lambs as well as a decent wool clip. breed average. If a farmer used both ram A and B on his flock, then the difference between lambs is estimated to be 2kgs (the different between -1 and +1).

Figure 1. Example of differences in 21 week weight from Ram A and Ram B compared to assumed breed average of 0. Ram A +2 EBV Lamb +1 kg Lamb +1 kg Ewe A +0 EBV Ram B-2 EBV Lamb-1 kg Lamb Cross breeding is the process of breeding with the intention to create offspring that share the traits of both parent lineages or to produce an animal with hybrid vigour (the improved or increased function of any biological quality in a hybrid offspring).

[1] In the developing world, cross breeding mainly seeks to improve the milk production of dairy cattle. If wool production is an important, breeding stock selection criteria should include fleece traits: fiber diameter, staple length, uniformity of length and diameter, and freedom from defects.

White-wooled sheep should be free from colored fibers. The Awassi sheep is a breed of domestic sheep which was originated in the Syro-Arabian desert.

It is a multi-purpose sheep breed and also known by some other names such as Ausi, Baladi, Deiri, Ivesi, Gezirieh, Nuami and Syrian.

It was actually developed as a nomadic sheep breed through centuries of natural and selective breeding for becoming the highest milk producing breed in the Middle East. The conclusions from Tables 2 and and3 3 are the same, i.e., LA breeding results in milk with a higher (P fat and protein, but the yield of milk, fat and protein is similar between the two breeds, and EF breeding results in more (P breeding.

ruminants (sheep and goats) in the food production systems of developing countries, examine their advantages and disadvantages, analyze the constraints limiting their .Sheep farming is a significant industry in New ing to figures reported by the Food and Agriculture Organization (FAO) of the United Nations, there are 39 million sheep in the country (a count of about 10 per individual).

The country has the highest density of sheep per unit area in the world. For years, sheep farming was the country's most important agricultural industry.Ram Breeding Soundness Examination A breeding soundness examination is recommended for all rams immediately prior to breeding.

The importance of this exam cannot be stressed too highly. An infertility problem in the ram can be very costly in a single-sire breeding group.