Analysis of Body Weight and Body Size Traits in Longling Yellow Goats from the 2019 to 2022
Longling Yellow goat is a unique genetic resource in Longling County,Baoshan City,Yunnan Province.The continuous observation of its body weight and body size indicators is of great significance for conservation and breeding.This study mainly takes Longling Yellow goat in the Wumushan breeding base of Longling County Yellow Goat Core Breeding Sheep Co.,Ltd.from 2019 to 2022 as the research object.Statistical analysis of littter size as well as body weights and all body size indicators revealed that does was a decrease in twinning rates compared to 2019.The body weight and chest circumference of ewes and the chest circumference,body height and cannon circumference of rams showed a decreasing trend year by year,and the body weight and chest circumference of ewes decreased significantly(P<0.01).The body weight,body height,body length,chest circumference,chest width,and cannon circumference of rams in 2019 were significantly higher than those in 2022(P<0.01).The body weight,body height,body length,chest circumference,and chest depth of ewes in 2019 were significantly higher than those in 2022(P<0.01).Based on the above results,suggestions for the breeding and improvement of Longling yellow goats were put forward,which provided a reference for the conservation variety purification,and rejuvenation of Longling Yellow goats.