Mineral nutrition of grazing sheep in northern china I. Macro-minerals in pasture, feed supplements and sheep

Masters, David G.; Purser, D. B.; Yu, Shiguang; Wang, Z. S.; Yang, R. Z.; Liu, N.; Lu, Dianjun; Wu, L. H.; Ren, Jianhong; Li, G. H.

doi:10.5713/ajas.1993.99

Cited by 14 publications

(17 citation statements)

References 8 publications

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“…The concentrations of various trace elements fluctuated inconsistently at different sampling periods, but in most instances the concentrations of Cu, Co and Zn except at some sampling times in legumes and at one sampling period in grass pastures, these elements were far below the recommended requirements for grazing ruminants. Similarly, low concentrations of trace elements have already been reported by Khan et al (2008Khan et al ( , 2009) and Masters et al (1993) in forages collected from different pastures. Fe and Mn levels were in excess, while other elements were in those concentrations what can be expected from acidic soil were found.…”

Section: Resultsmentioning

confidence: 70%

“…The quality of pasture grass, however, would be markedly affected with changes in their growth stages and better time to use these pastures (Masters et al, 1993). The concentrations of various trace elements fluctuated inconsistently at different sampling periods, but in most instances the concentrations of Cu, Co and Zn except at some sampling times in legumes and at one sampling period in grass pastures, these elements were far below the recommended requirements for grazing ruminants.…”

Section: Resultsmentioning

confidence: 98%

“…There were major differences in the trace element concentrations in relation to pasture and season on the farm. Like macro minerals, these differences can likely be related to rainfall, soil type, and pasture species (Masters et al, 1993). …”

Section: Resultsmentioning

confidence: 99%

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Evaluation of Deficiency and Toxicity of Wild Forage Micro- Minerals as Potential Hazards for Grazing Livestock under Semi- Arid Environmental Conditions

Khan¹

2015

Adv. Anim. Vet. Sci.

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| Micro-minerals (iron, manganese, zinc, copper, and cobalt) content of some wild legumes and grasses from arid environment of central Punjab (Pakistan) was evaluated during the rainy and dry seasons. The micro-mineral contents of legumes were significantly higher in dry season than rainy season except iron. Legume contents of all minerals except iron were higher during dry season compared to those found during the rainy season under the same environment. Grass forages contained higher values of manganese, zinc, and copper during rainy season and the reverse was true for grasses iron and cobalt during the dry season. Results indicated that legumes were the best sources of manganese and zinc than grasses during both seasons, and grasses had higher amounts of copper and cobalt than legumes while both legumes and grasses were at par with respect to iron. All mean mineral forage values except iron at both seasons were below the critical levels required for ruminants for their growth and reproductive aspects, thus mineral supplements are warranted to alleviate the problems of deficiency in livestock grazing there in legume and grass pastures.

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Section: Resultsmentioning

confidence: 70%

Section: Resultsmentioning

confidence: 98%

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Evaluation of Deficiency and Toxicity of Wild Forage Micro- Minerals as Potential Hazards for Grazing Livestock under Semi- Arid Environmental Conditions

Khan¹

2015

Adv. Anim. Vet. Sci.

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“…In the present research, 66% of yaks showed lower IP concentrations than 4.5 mg/dL. Low plasma IP concentrations in ruminants often reflected low P concentrations in diets (Kumagai et al 1990(Kumagai et al , 1991Masters et al 1993). The National Agriculture and Food Research Organization (NARO) (2009) recommended that the P requirement for maintenance of beef cows is 0.23-0.26% in diets on a DM basis.…”

Section: Biochemical Values In Plasma Samplesmentioning

confidence: 56%

Health and mineral nutrition status of yaks in southern Mustang, Nepal

Kumagai

Nakajima

Anzai

et al. 2016

Animal Science Journal

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Biochemical values and mineral concentrations in blood plasma were investigated to evaluate the statuses of health and mineral nutrition among yaks in Mustang District, Nepal. In total, 118 plasma samples of female yaks collected in April and September/October of 2013-2015 were offered. Seventy-four percent of yaks showed lower plasma total-cholesterol concentrations than the lowest limit of reference range (100 mg/dL) and the values in spring (83.41 mg/dL) were lower (P < 0.05) than those in autumn (95.05 mg/dL). All the yaks had lower plasma albumin concentrations than the lowest limit of reference range (3.0 g/dL) and 66% of yaks showed lower plasma inorganic phosphorus concentrations than the critical level of phosphorus deficiency (4.5 mg/dL). Thirty-five percent of yaks showed lower plasma calcium concentrations than the lowest limit of normal range (8 mg/dL) and the concentrations were lower in spring than in autumn (P < 0.01). Seventy-five percent of yaks presented lower copper concentrations than the critical level (0.65 mg/L) and the concentrations were lower in spring than in autumn (P < 0.01). Since the low plasma total-cholesterol might have indicated shortage of dry matter and energy intake, attention should be paid to the nutritional statuses of energy, phosphorus, calcium and copper in winter and early spring.

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“…4 Macrominerals like calcium (Ca),magnesium (Mg), sodium (Na) and Potassium (K) are required in animals and plants for variousmetabolic processes. 5,6 Excess and dearth of theseminerals cause various physiological and cellular defects. High calcium levels cause slow bone growth and heart failure; 7 elevated potassium level results inmembrane damage, tissue necrosis and hyperleukemia.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Macro Minerals and their Distribution and Concentration in Soil-Plant-Animal Systems in Shor Kot, Pakistan

Khan

Mahmood

Ayub

et al. 2017

JDVAR

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The status of differentmacrominerals was appraised in soils, forages and blood plasma of two buffalo groups (lactating, non-lactating). Soilmg+ and K+ remained below their respective critical values, while Na+ and Ca+ exceeded their critical values in soil. Forage had high Ca andmg whereas, K and N concentrations stayed within prescribed limit. Blood plasma hadmean values higher than critical concentrations for Na, Ca, andmg. The observations recorded in current study implied thatmetals in toxic concentrations have been built up in animals through consuming forage contaminated withmetals both in tissues and at exposed plant parts.

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Mineral nutrition of grazing sheep in northern china I. Macro-minerals in pasture, feed supplements and sheep

Cited by 14 publications

References 8 publications

Evaluation of Deficiency and Toxicity of Wild Forage Micro- Minerals as Potential Hazards for Grazing Livestock under Semi- Arid Environmental Conditions

Evaluation of Deficiency and Toxicity of Wild Forage Micro- Minerals as Potential Hazards for Grazing Livestock under Semi- Arid Environmental Conditions

Health and mineral nutrition status of yaks in southern Mustang, Nepal

Assessment of Macro Minerals and their Distribution and Concentration in Soil-Plant-Animal Systems in Shor Kot, Pakistan

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