Measures of carcass fat are less in the Polypay when compared to the Rambouillet and Targhee while qualitative leg scores for the Polypay were more favorable. 01 August 2011. Mature ewes give birth to an average of 2.4 lambs and wean an average total litter weight of 63.8 kg per ewe at 120 days post partum. Furthermore, the animal must:[1], In general, Polypay ewes are able to lamb at 1 year of age, wean twins, and mature ewes will weigh between 150 and 200 lbs. Rambouillet– Developed from Spanish Merino and used extensively in the western United States in large sheep … Wool types grown on sheep with fractional Type Wool Fine Fine Fine Fine Medium Medium Medium Medium Medium Medium Coarse Coarse Coarse Very Coarse I. genetic parameter estimates, Processing characteristics of Polypay wool, Breed crosses in the development of Targhee sheep, Carcass traits of lambs produced by crossbred dams of Finnsheep, Dorset and Rambouillet breeding and slaughtered at two weights. Merino Sheep – A Spanish breed with superior, fine quality wool. or merino, larger and faster growing than fine, good market lambs when sired by meat type rams, better producers than fine wools under good feeding conditions, heavy fleece with less shrink than fine wools, gregarious, better quality wool than long wool and meat type breeds Long-time Idaho sheep man Reed Hulet was frustrated with the production of his family’s 600 Idaho range ewes. The Polypay sheep breed is a white, medium-sized (65 kg), polled sheep which was developed in the 1960s at the U.S. Sheep Experiment Station in Dubois, Idaho. "shouldUseHypothesis": true, [4] After seeing the potential and enthusiasm for the new breed, Hulet coined the name for the breed in 1975. This new breed was a medium sized white sheep without horns or fleece on its face or legs. It produces yearly about 4.2 kg of wool and is weaned at 120 days. The Polypay sheep breed is a white, medium-sized (65 kg), polled sheep which was developed in the 1960s at the U.S. Sheep Experiment Station in Dubois, Idaho. Targhee x Dorset and Rambouillet x Finnsheep crosses were mated to form a 4-breed composite that could produce two lamb crops and one wool crop per year. The educational information listed in this section has graciously been provided by the American Sheep Industry Association: Dual Purpose Breeds: Polypay Set Up Protection Fencing From Predators. The Polypay is a four breed composite of Targhee, Rambouillet, Dorset and Finnish Landrace breeds. Careful breeding selection over centuries has resulted in more than 800 different breeds of sheep worldwide, 52 of these breeds are present in Canada. The Sheep Industry News is the association’s monthly publication covering diverse stories from around the country that pertain to the sheep industry. Columbia, Targhee, and Polypay are, however, considered as dual-purpose breeds, because they … La raza ovina Polypay fue desarrollada en la Estación Experimental Ovina de EE.UU. The tips are not as yellow as this photo shows, sigh, the blue background was probably not the best choice to photograph this wool on. No extreme britchiness or extreme coarseness of wool. Render date: 2021-05-02T12:20:26.826Z Table 1 .1Summary of numbers of records, sires, and dams for litter weight weaned and for prolificacy, weight, and wool traits by breedBreed Table 2 .2Summary of unadjusted means and standard deviations by breedColumbia Polypay Rambouillet Targhee Table 3 .3Description of fixed and random effects in models associated with each traitTrait Table 4 .4Estimates of variance components and genetic parameters a for Columbia, Polypay… When considering the Polypay breed for importation, some prudence should be exercised because it may not be suitable to all environments and production systems in the world, especially where nutritional and management resources are not sufficient to support lactating ewes rearing twins. The Polypay breed was born out of frustration and a dream. This wool is unwashed raw and unprepped. La media individual de peso al destete a los 120 días (36,1 kg) es mayor que para la raza Rambouillet y Targhee (34,5 y 33,8 kg, respectivamente). It is a medium-sized wool sheep (average mature ewe weight of 72 kg) with a smooth body free of excessive skin wrinkles on the neck and body and a poll head. The first 4-breed composites (F x R x D x T) were made in 1970. "newCiteModal": false, The wool has a range for micron count of 17 – 22 microns and a staple length between 2.5 and 4 inches. THE POLYPAY HISTORY. The selection for the Outstanding Producer is based on achieved outstanding production, performance and profit from their sheep operation. Download PDF. Sci. In 1968, Hulet performed the first cross breedings generating Finnsheep x Rambouillet (F x R) and Dorset x Targhee (D x T) lambs, which were born in 1969. [1] Although Polypays are a general purpose breed, they are also known as a maternal breed because of their prolificacy, ability to breed aseasonally, early fertility, high milk production, and good mothering. 37 Full PDFs related to this paper. [1] In general, Polypay sheep are noted for being a highly prolific maternal dual-purpose (meat and wool) breed. htm). "newCitedByModal": true Las cantidades de graso de la canal son inferiores en la Polypay comparadas con la Rambouillet y la Targhee, mientras que los índices cualitativos de las patas son más favorables en la Polypay.

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