Select
Wool Quality Analysis of Tibet Awang Sheep
2018, 39(8):
4-4.
doi:10.12160/j.issn.1672-5190.2018.08.002
Abstract
(
141 )
PDF (325KB)
(
93
)
Save
Related Articles |
Metrics
In order to further elucidate the characteristics of germplasm resources of Awang sheep and and to provide scientific basis for the healthy development of wool production and quality control standards of Awang sheep, a total of 270 wool samples collected from different parts of Awang sheep with different ages and genders were analyzed by field identification and laboratory detection. The results of field identification showed that the average wool length of adult rams and ewes was 90.3 mm and 71.0 mm, respectively, and the average wool yield was 1.35 kg and 1.00 kg, respectively; the average wool length of the growing rams and ewes was 6.15 cm and 5.83 cm, respectively, and the average wool yield was 1.08 kg and 0.84 kg, respectively; sticky sweat was white or milky white, and the content was mainly 1/2 and 1/3. The results of laboratory detection showed that the wool length of shoulder, flank and thigh of adult rams were 95.40 mm, 99.68 mm and 115.44 mm, respectively, and the wool lengths of shoulder, flank and thigh of adult ewes were 65.72 mm, 62.39 mm and 83.06 mm respectively; the wool lengths of shoulder, flank and thigh of growing rams were 80.52 mm, 86.11 mm and 103.63 mm respectively, and wool length of shoulder, flank and thigh of growing ewes were 62.95 mm, 64.53 mm and 78.95 mm respectively. The fiber types of 270 wool samples from three different parts were unmyelinated wool, medullated wool and both unmyelinated and medullated wool, accounting for 72.98%, 21.31%, 5.47%, respectively; the average diameter and discrete diameter of the unmyelinated wool were 25.97 μm, 26.79%; the average diameter and discrete diameter of the medullated wool were 69.59 μm, 23.63%; the average diameter and discrete diameter of the both unmyelinated and medullated wool were 41.99 μm, 26.65%; the diameter of the coarse fiber was in the range of 24.66-72.15 μm, and the variation fiber diameter of the shoulder, flank and thigh was irregular.