Breeding method for three-breed crossed sheep

Abstract

The invention provides a technique for breeding high-quality sheep through a three-breed crossing method, and belongs to the field of livestock breeding. By taking small tailed han sheep (named 'han' for short) with the higher multiple pregnancy rate as a female parent, fully utilizing poll dorset (named 'tao' for short) and bald suffolk (named 'sa' for short) which are good in mutton quality and rapid to grow as male parents and adopting the important techniques such as first generation target matching crossing, second generation interlacing crossing, third generation and fourth generation backcrossing, high generation mass mating, type stable selecting and series variety selecting of multi-type three-breed crossing, three-breed crossed breeding sheep of multiple types of the 'han, tao, sa' sheep are bred, the three-breed crossed breeding sheep is high in multiple pregnancy rate, good in mutton quality, rapid to grow and wide in application and integrates the advantages of the three types of sheep, and multiple types of breeding sheep such as 'tao-similar' sheep, 'sa-similar' sheep and 'han-similar' sheep which are similar to the different types and have the mutton-wool dual purposes are generated.

Description

technical field [0001] The invention belongs to the field of animal husbandry and breeding, and in particular relates to a hybrid of three excellent breeds of small-tailed Han sheep (abbreviated as "Han"), hornless Tauset (abbreviated as "Tao") and white-headed Suffolk (abbreviated as "Sa") Breeding method with the selected "Hantaosa" three-way hybrid sheep. Background technique [0002] Small-tailed Han sheep, hornless Tauset and white-headed Suffolk are the three most important breeds in production at present, and the three breeds have different characteristics. Small-tailed Han sheep is a mutton sheep cultivated in China. Its advantages are multiple birth rate and wide adaptability, but its disadvantages are low meat yield and poor meat processability. Both meat and hair, high meat yield, good meat quality, fast growth, suitable for animal breeding, its disadvantages are low multiple birth rate, poor adaptability to local breeding conditions, especially in plateau areas ...

AI Technical Summary

Problems solved by technology

Small-tailed Han sheep is a mutton sheep cultivated in China. Its advantages are multiple birth rate and wide adaptability, but its disadvantages are low meat yield and poor meat processing. Both meat and hair, high meat yield, good meat quality, fast growth, suitable for animal breeding, its disadvantages are low multiple birth rate, poor adaptability to local breeding conditions, especially in plateau areas than local sheep breeds poor resistance to stress

Images