WebApr 12, 2024 · The Romanov breed was evaluated using immunological and genetic markers. The seven blood group systems were characterized with a greater accuracy than in previous works on sheep in the Russian Federation, and were compared to eight ruminant species. Unlike other breeds, Romanov sheep have more HBA than HBB alleles. The … WebMeasuring Reproductive Performance of Sheep. Reproductive performance is measured by several parameters. Those most commonly used are the proportion of ewes exposed or bred to the ram that lamb (the measure of fertility), the proportion of lambs born (alive and dead) per ewe lambing (also called drop rate and a measure of prolificacy), and age ...
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WebGenetic parameters for Columbia, Polypay, Rambouillet, and Targhee sheep were estimated using REML with animal models for prolificacy, weight, and wool traits. All bivariate analyses included a covariance between additive genetic effects for the two traits plus appropriate additional covariances. WebThis chapter presents a review and analysis of the production parameters of cattle, sheep and goats in the traditional production systems described in Chapter 3. ... with a median of 1.08 and range of 1.00 to 1.50. Reported prolificacy of sheep in pastoral systems (1.06) is significantly lower than in mixed systems (1.13) (p = 0.041). fordham online application
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WebMost of the sheep breeds that are raised in our country are characterized by fairly low values of prolificacy (105-110%), the highest value being recorded in the Merinos de Palas breed. Prolificacy is dependent on genetic factors, especially on the breed. WebStancheva (2003) found prolificacy of sheep from Bulgarian dairy synthetic population in the process of its formation as follows: 1.335 (at first lactation) and 1.412 (at second lactation). WebFairy Silhouette Garden Stake Art Lawn Statue Tree Outdoor Metal Decor Ornament. $13.69 + $3.20 shipping. Picture Information. Picture 1 of 10. Click to enlarge. Hover to zoom. ... Garden Decorative Metal Sheep Statues & Lawn Ornaments, Cement Animals Garden Decorative Statues & Lawn Ornaments, elton john song lucy in the sky with diamonds