Studies of Selenium Deficiency in the Wumeng Semi-Fine Wool Sheep

Huo, Bin; Wu, Ting; Song, Chunjie; Shen, Xiaoyun

doi:10.1007/s12011-019-01751-1

Cited by 47 publications

(24 citation statements)

References 28 publications

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“…The native sheep, whose original name was Guizhou semi-fine wool sheep, is a sheep breed hybrid developed by crossing local Tibetan sheep with other breeds [1]. Hence, it has some excellent characteristics, such as good adaptability, greater resistance to disease, great ability of enduring roughage, obedient disposition, easy management, and the quality requirements of forage is not high [2,3].…”

Section: Introductionmentioning

confidence: 99%

“…The enzymatic system consists of antioxidant enzymes, including mainly CAT, SOD and GSH-Px. Antioxidant system can catalyze rapidly the superoxide anion (O 2-) to produce disproportionation reaction, eliminate superoxide anion, and protect cells of organism from damage of free radicals [15][16][17][18]. Cu supplementation, in the range of growth promotion, can increase activities of GSH-Px, SOD and CP in serum in cattle, pigs and chickens [17].…”

Section: Introductionmentioning

confidence: 99%

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Effect of Different Copper Levels in Feed on Antioxidant Capacity in Stocking the Native Sheep in the Wumeng Prairie

Wu¹,

Xiong²,

Jian³

2021

Pol. J. Environ. Stud.

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The purpose of this research is to better understand the effect of different copper (Cu) levels of feed on the antioxidant capacity in the native sheep, solve the adverse effects of local seasonal Cu deficiency on sheep, and provide a reasonable reference for Cu supplementation. 10 healthy native sheep were selected as the control group (C group). 40 Cu-deficient native sheep were selected as tested group, and divided randomly into 4 groups (n = 10), supplied by CuSO 4 (0, 20, 40, 60 mg/kg for group I, group II, group III and group IV, respectively). The results showed that the level of Cu, hemoglobin (Hb), packed-cell volume (PCV), albumin (ALB), the activities of ceruloplasmin (CP), Cu/Znsuperoxide dismutase (Cu/Zn-SOD) and catalase (CAT) in group I were significantly lower than those in C group, group II, III, IV (P<0.05), but malondialdehyde (MDA) concentration was higher. The activities of these antioxidant enzymes and MDA concentration had no significant difference between C group, group II, III, IV (P>0.05), but group III had the highest antioxidant enzymes activity and the lowest MDA concentration. There was no significant difference in manganese (Mn), zinc (Zn), iron (Fe), molybdenum (Mo), selenium (Se), red blood cell count (RBC), white blood cell count (WBC), blood urea nitrogen (BUN), alanine transaminase (ALT), alkaline phosphatase (ALP), aspartate aminotransferase (GOT), total cholesterol (TC), manganese-superoxide dismutase (Mn-SOD) between all groups (P>0.05). Conclusion: The function of antioxidant system of the native sheep in Weining County have seriously reduced. Added CuSO 4 to the diet increase the activity of antioxidant enzymes and improve the health parameters, but them did not increase linearly. Added 40 mg/kg CuSO 4 , the activity of antioxidant enzymes was the highest and the content of MDA was the lowest. Therefore, it is recommended to add 40 mg/kg CuSO 4 to diet of the native sheep in Weining County.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Different Copper Levels in Feed on Antioxidant Capacity in Stocking the Native Sheep in the Wumeng Prairie

Wu¹,

Xiong²,

Jian³

2021

Pol. J. Environ. Stud.

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“…The mineral content of plants, especially trace mineral content, is highly dependent on the soil nutrient content. Most of the scientific papers have reported a deficient level of minerals in soils and forages [ 1 , 2 , 3 ]. Thus, supplementation is necessary.…”

Section: Discussionmentioning

confidence: 99%

“…Minerals are important parts of the diet as they play a significant role in many tissue and metabolic processes. Soil and thus forage deficiency in various minerals can cause metabolic disorders in grazing sheep [ 1 , 2 , 3 , 4 , 5 ]. Therefore, mineral supplementation is important.…”

Section: Introductionmentioning

confidence: 99%

Newly Grown Wool Mineral Content Response to Dietary Supplementation in Sheep

Szigeti

Kátai

Komlósi

et al. 2020

Animals

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Determination of wool mineral content to assess the animal’ mineral status has been extensively used, but the results are controversial. One of the possible contributing factors is that the sampling material in previous studies was collected from a long staple, a fact that could mask the response to recent differences in mineral intake. Therefore, the aim of the present study was to test the sensitiveness of newly grown wool to different dietary mineral intake. Twenty Tsigai ewes were allocated into five dietary treatments with similar hay and concentrate intake but different premix inclusion rates in the concentrate (3, 4, 5, 6, and 7%). Wool was sampled on the left side from a 5 × 5 cm area using bent scissors at the beginning of the trial and from the very same area 28 days later. Samples after cleaning and mineralization were analyzed with ICP-OES (Perkin-Elmer, Optima 3300 DV) for calcium, phosphorus, magnesium, sodium, selenium, zinc, copper, and sulfur content. Long fleeces had significantly lower Ca and Se content compared to the newly grown wool samples of the group at the premix manufacturer’s suggested level of supplementation (5%). Macrominerals in fresh wool did not respond to increased dietary supplementation. Se and Zn content of wool had a strong relationship with the daily intake (R2 = 0.95 and R2 = 0.97, respectively.) In conclusion, the mineral content of long fleeces can be different compared to recently developed wool fiber. This indicates that, in some cases, analyzing long staples for mineral status can be misleading. Our results showed that wool could be a sensitive indicator of low selenium and high zinc intake. Mineral interactions can significantly affect the actual availability of trace minerals; therefore, a more careful design of premixes is needed. The described method seems to be applicable in livestock farming, but the mineral interactions that may alter the results need to be further explored.

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“…Shen et al (2019) and reported Se deficiency in the wildlife causing by Se deprived natural habitat in Qinghai-Tibet Plateau in the Northwest China [9,10]. Huo et al (2019) reported the Se-deficient Wumeng semi-fine wool sheep, and mainly caused by the low Se content in soil and feed [11]. Song et al (2019) studied the zinc (Zn) deficiency in Wumeng semi-fine wool sheep, mainly caused by the low Zn content in soil and forage [12].…”

Section: Introductionmentioning

confidence: 99%

Response of the Wumeng Sheep to Phosphorus Deprived Environment in the Southwest China

Zhao¹,

Min²,

Shen³

2021

Pol. J. Environ. Stud.

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The objective of this study was to determine the response of the Wumeng sheep on phosphorus (P) deprived range in the Southwest China. Samples of herbage, soil and animal tissue were collected in the studied area. Physiological and biochemical values in blood were examined. The mineral contents were determined in soils, forages and animal tissues (blood, bone, wool). The results showed that P contents in soil and forage from P-deprived pastures were markedly lower than those in healthy ranges (P<0.01) and the ratio of calcium (Ca) to P in the P-deprived forages was 11.49:1. P contents in blood, wool, rib, hip, and teeth from P-deprived Wumeng sheep were also markedly lower than those in healthy sheep (P<0.01). Compared with healthy sheep, the levels of hemoglobin and packed cell volume from P-deficient sheep were significantly lower than those in healthy animals (P<0.01). The levels of creatinine (CRT), lactate dehydrogenase (LDH), and alkaline phosphatase (AKP) in serum were significantly higher and the inorganic phosphorus (IP) value was significantly lower in P-deficient compared with healthy sheep (P<0.01). Contents of α-globulin (α-GLB) and β-globulin (β-GLB) in serum from P-deficient sheep were markedly higher than those in healthy sheep (P<0.01). Serum γ-globulin (γ-GLB) was significantly lower than that in healthy sheep (P<0.01). Therefore, P deprivation in forage not only influenced the mineral content in animal tissue, but also severely disrupted blood parameters (physiology, biochemistry) in Wumeng sheep.

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Studies of Selenium Deficiency in the Wumeng Semi-Fine Wool Sheep

Cited by 47 publications

References 28 publications

Effect of Different Copper Levels in Feed on Antioxidant Capacity in Stocking the Native Sheep in the Wumeng Prairie

Effect of Different Copper Levels in Feed on Antioxidant Capacity in Stocking the Native Sheep in the Wumeng Prairie

Newly Grown Wool Mineral Content Response to Dietary Supplementation in Sheep

Response of the Wumeng Sheep to Phosphorus Deprived Environment in the Southwest China

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