Study on Origin and Phylogeny Status of Hu Sheep

Geng, Rong; Chang, Hong; Yang, Zhangping; Sun, Weibang; Wang, L. P.; Lu, S. X.; Tsunoda, Kenji; Ren, Zhanjun

doi:10.5713/ajas.2003.743

Cited by 20 publications

(15 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Our results demonstrate that Hu sheep are derived from Mongolian sheep, the same conclusion made by others (Geng et al, 2003;Yang et al, 2002). Small-tailed Han sheep also evolved from Mongolian sheep, which is consistent with its wellknown history of breeding (Editorial group of Sheep and Goat Breeds in China, 1989) and the viewpoint of Xie that "modern sheep breeds across China, except in the Qinghai-Tibet Plateau and its neighboring areas, originate from Mongolian sheep" (Xie, 1985).…”

Section: Discussionsupporting

confidence: 92%

Phylogenetic Relationships of Sheep Populations from Coastal Areas in East Asia

Chang

et al. 2005

Biochem Genet

View full text Add to dashboard Cite

Using the method of random sampling in typical colonies of the central area of the habitat and several electrophoresis techniques, the variations of 12 structural loci encoding blood protein of 60 Small-tailed Han sheep were examined and compared with those of four other sheep populations from coastal areas in East Asia to explore their phylogenetic relationships. Average heterozygosity of the five populations was: Kharkhorin sheep 0.3447, Ulaanbaatar sheep 0.3285, Small-tailed Han sheep 0.3157, Hu sheep 0.3884, and Cham Tribe sheep 0.2300. The earlier researchers' conclusion through documentary research, indicating that Small-tailed Han sheep and Hu sheep both evolved from Mongolian sheep, was further verified by the results of this study. Hu sheep, Small-tailed Han sheep, and Cham Tribe sheep were decreasingly affected by the bloodline of Mongolian sheep. A 1partial founder population, i.e., Mongolian sheep forming current Small-tailed Han sheep, possibly made a contribution to the bloodline of Cham Tribe sheep.

show abstract

Section: Discussionsupporting

confidence: 92%

Phylogenetic Relationships of Sheep Populations from Coastal Areas in East Asia

Chang

et al. 2005

Biochem Genet

View full text Add to dashboard Cite

show abstract

“…Hu sheep is a local sheep breed in China with high reproductive characters [31]. However, in summer, the high temperature affects its growth and fertility.…”

Section: Introductionmentioning

confidence: 99%

Effect of Curcumin Supplement in Summer Diet on Blood Metabolites, Antioxidant Status, Immune Response, and Testicular Gene Expression in Hu Sheep

Jiang

Wan

Yang

et al. 2019

Animals

View full text Add to dashboard Cite

Simple SummaryHeat stress can induce oxidative stress and has an adverse effect on the growth and reproductive performance in animals. Curcumin, a plant-derived substance, with the effect of scavenging oxidative free radicals, improving immune response and anti-apoptosis, has been widely used as a dietary supplement in the livestock industry. The present study aims to investigate the effect of a curcumin dietary supplement on the blood metabolites, antioxidant status, immune response, and testicular gene expression in Hu Sheep in summer. The results show that dietary curcumin supplementation (450 and 900 mg/per sheep daily) can promote lipid metabolism, antioxidant capacity, and immune response as well as testicular development in Hu sheep, which provides evidence for the protective role of curcumin against heat stress in sheep.AbstractIn summer, the high temperature affects animal growth and reproductive performance. Curcumin is a flavonoid with anti-oxidant and anti-inflammatory effects. To evaluate the effects of dietary curcumin supplement on the blood biochemical parameters and testicular gene expressions in Hu sheep in summer, a total of 144 male Hu sheep aged four months were randomly divided into three groups (Con, Cur1, and Cur2, n = 48). Sheep in Con, Cur1, and Cur2 groups were fed a basal diet supplement with 0, 450, and 900 mg (per sheep) curcumin daily, respectively. Sheep were fed for 35 days, including a pre-feed for seven days. The results showed that the supplement with 450 mg and 900 mg curcumin increased serum free fatty acid (NEFA) and glutathione peroxidase (GPX), as well as IgA and IgM. The supplement with 450 mg curcumin increased the IgG level, while the supplement with 900 mg curcumin had a lower IgG level than the supplement with 450 mg curcumin (p < 0.05). Dietary curcumin supplement increased testicular organ index, serum testosterone level, and testicular star mRNA expression (p < 0.05). Furthermore, dietary curcumin supplement linearly inhibited testicular apoptosis with increased testicular bcl-2 mRNA expression and decreased caspase-3 mRNA expression (p < 0.05). In conclusion, dietary curcumin supplement can promote lipid metabolism, antioxidant capacity, and immune response, as well as testicular development, in Hu sheep, which provides evidence of application of curcumin in sheep production.

show abstract

“…Blood samples were collected from four sheep populations in China (Table I) and were prepared by the methods described by Geng et al (2003) for electrophoresis.…”

Section: Blood Samplesmentioning

confidence: 99%

Genetic Differentiation of Native Sheep Populations in East and South Asia

et al. 2007

Self Cite

View full text Add to dashboard Cite

Variations of four sheep populations in China were examined by multiloci electrophoresis, and similar data are quoted to analyze the degree of genetic differentiation of native sheep populations in East and South Asia. Among 15 populations, the average heterozygosity is 0.2746, and the effective number of alleles is 1.559. Mongolian sheep possess the highest genetic diversity, and diversity decreases sequentially in the Chinese, Vietnamese, Bangladeshi, and Nepalese populations. Coefficients of genetic differentiation are 0.0126-0.3083, with an average of 0.148, demonstrating that the major genetic variation (85%) exists within populations. Genetic identity and genetic distance all show relatively low genetic differentiation. No relationship was found between geographic distance and genetic distance. Gene flow is common among the mass of populations, which leads to the inconsistency between geographic distance and genetic distance. The 15 native sheep populations in East and South Asia can be divided into two groups, one group including part of the Chinese and Mongolian populations and another including the Yunnan population of China and part of the Nepalese and Bangladeshi populations. Other populations did not separate into groups, merging instead into the two main groups.

show abstract

Study on Origin and Phylogeny Status of Hu Sheep

Cited by 20 publications

References 2 publications

Phylogenetic Relationships of Sheep Populations from Coastal Areas in East Asia

Phylogenetic Relationships of Sheep Populations from Coastal Areas in East Asia

Effect of Curcumin Supplement in Summer Diet on Blood Metabolites, Antioxidant Status, Immune Response, and Testicular Gene Expression in Hu Sheep

Genetic Differentiation of Native Sheep Populations in East and South Asia

Contact Info

Product

Resources

About