Macromineral profile in the plasma of Nubian goats as affected by the physiological state

Ahmed, Mohamed; Siham, A.Khalid; Barri, M. E. S.

doi:10.1016/s0921-4488(00)00166-8

Cited by 22 publications

(17 citation statements)

References 10 publications

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“…In mammals, the aqueous phase of colostrum contains high concentrations of the main ions (Na and Cl) (Ruchebusch et al, 1991). These results agreed with some studies which reported the decreased value of Na concentration mostly in parturition (Azab and Abdel-Maksoud, 1999;Ahmed et al, 2000;Donia et al, 2014).…”

Section: B: Sodium and Potassiumsupporting

confidence: 93%

Some Physiological Responses of Shami Goats to Feeding Salt Tolerant Fodder Crops During Pregnancy Under South Sinai Conditions

Amer

2016

Egyptian Journal of Nutrition and Feeds

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o study the effect of feeding salt tolerant fodder crops during pregnancy under south Sinai conditions (Ras Sudr station) on some physiological responses of Shami goats, fourteen Shami doe goats aged 2.5-3.0 years old with averaged 25.07± 2.44 kg body weight were used and randomly divided into two equal groups (7 animals each) as follow: The first group (G1) fed berseem hay as control, while the second one (G2) fed a mixture of Atriplex nummularia (50%) + Sorghum bicolor (25%) + Pearl millet (25%). Both groups were supplemented with concentrate feed mixture (CDM). Live body weight changes and daily gain were recorded biweekly. Blood samples were collected from the all animals during dry, gestation (early, mid and late) for the determination of the biochemical parameters, electrolytes and hormones. The results revealed that live body weight and weight gain of control and the treated groups of doe goats were similar. Treated goats had slightly insignificant lower concentrations of TP, AL, GL, A/G ratio, and cholesterol with significant effect of pregnancy on total proteins profile. The mean values of TP, AL and GL significantly decreased (P<0.05) with advancing gestation periods. Glucose and aldosterone concentrations in treated pregnant goats showed significant (P<0.01) decrease as compared to the control animals. The significant interaction between treatment and physiological stage for ALT, ALP enzyme and insulin concentrations was for the reverse effect of each source of variance. While ALT, ALP enzyme and insulin increased by feeding salt tolerant plants but they were decreased by advancing pregnancy stages. Feeding a mixture of salt tolerant plants significantly decreased (P<0.01) the concentrations of urea and creatinine in comparison with control diet with insignificant increased throughout the gestation periods. The concentration of Na was affected significantly (P<0.01) by treatment and physiological status where it showed significant increase in the treated animals during different pregnancy stages. Potassium concentration was increased significantly from dry to reach peak during mid-gestation then declined again during late gestation compared to control animals. These results might indicate that salt tolerant plants could be a feasible solution to minimize the problem of animal feed shortage under arid conditions of Southern Sinai without sever physiological problems. These problems might be amplified due to the stress of pregnancy.

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Section: B: Sodium and Potassiumsupporting

confidence: 93%

Some Physiological Responses of Shami Goats to Feeding Salt Tolerant Fodder Crops During Pregnancy Under South Sinai Conditions

Amer

2016

Egyptian Journal of Nutrition and Feeds

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“…Esse resultado confirma o de Ahmed et al (2000), que observaram concentrações mais baixas de magnésio no sangue de cabras durante a gestação, devido à passagem desse elemento da mãe para o feto, favorecida por alteração fisicoquímica. Similarmente a produção de leite reduz o magnésio plasmático, daí a necessidade de mobilizar o magnésio dos sítios de origem para ser secretado no leite.…”

Section: Resultsunclassified

Influência da ordem e estádios da lactação no perfil bioquímico sangüíneo de cabras da raça Saanen

Mundim

Costa²,

Mundim³

et al. 2007

Arq. Bras. Med. Vet. Zootec.

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RESUMOO perfil bioquímico sérico de cabras da raça Saanen lactantes foi investigado com o objetivo de analisar as variações fisiológicas e a influência da ordem e estádio da lactação, em função de possíveis biomarcadores, para monitorar o balanço energético, adequação metabólica durante a lactação. Foram analisadas amostras de sangue de cabras lactantes de primeira, segunda e terceira lactação, colhidas da veia jugular em tubo vacutainer com gel separador para obtenção de soro e determinação das concentrações de proteínas, metabólitos, minerais e enzimas. Observou-se influência da ordem de lactação nos valores das proteínas totais, glicose, triglicérides, cálcio total e ionizado, aspartato aminotransferase (AST), fosfatase alcalina e dos estádios da lactação nas concentrações séricas das proteínas totais, glicose, triglicérides, magnésio, AST e fosfatase alcalina. Conclui-se que glicose, triglicérides, cálcio total, cálcio ionizado, magnésio, AST e fosfatase alcalina são biomarcadores eficazes para detecção de desbalanço energético e mineral em cabras lactantes.Palavras-chave: cabras Saanen, perfil bioquímico, lactação ABSTRACT The serum biochemical profile of Saanen dairy goat was investigated with the purpose of analyzing the physiological variations and the influence of lactation order and stage in terms of

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“…Among the minerals, approximately 99% of calcium and 80% of phosphorus are found in bones, and the net requirements for gain are highly related to skeletal growth. Ca and P are also absorbed in the small intestine by practically the same transporters, and thus have interrelated pathways (Ahmed et al 2000). This relationship affects the absorption of these two minerals in the body; therefore, it is necessary to supply lambs with adequate levels of Ca and P. In this study, the average Ca:P ratios in animal bodies were 1.74:1, 1.73:1 and 1.69:1 in the 9 h Â 1.20% BW; 6 h Â 0.84% BW and 3 h Â 0.48% BW grazing time Â supplementation treatments, respectively.…”

Section: Discussionmentioning

confidence: 99%

“…Na concentration usually decreases with age partly because of the decrease in extracellular content, in which Na is the main cation, from birth to puberty (Ahmed et al 2000). Reduction in K content can be attributed to a reduction in the ratio of muscle tissue to skin because most of this element is located in these tissues (McDowell 1992).…”

Section: Discussionmentioning

confidence: 99%

Dorper × Santa Ines F1 crossbred lambs under different grazing times and supplement levels in tropical regions: performance and macromineral requirements

Assis

Silva

Júnior

et al. 2018

Italian Journal of Animal Science

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The objective of this study was to evaluate the performance and net requirements for calcium (Ca), phosphorus (P), magnesium (Mg), potassium (K) and sodium (Na) in Dorper Â Santa Ines F1 crossbred lambs under different grazing times and supplement levels. We used 36 uncastrated male lambs with initial body weights (BW) of 15.5 ± 1.9 kg. Twelve animals were used as a reference group, and the remaining 24 animals were divided into three treatments according to grazing time and supplement level: 9 h Â 1.2% BW, 6 h Â 0.84% BW and 3 h Â 0.48% BW. There were increases in the final BW, average daily gain (ADG) and dry matter intake (DMI) of pasture (p < .05) in lambs that grazed longer (9 h Â 1.2% BW). Feed efficiency (G/F ratio) was similar between the 9 h Â 1.2% BW and 6 h Â 0.84% BW groups and both the groups were greater than the 3 h Â 0.48% BW. However, there was a reduction in the DMI of concentrate, total DMI, and Ca, P, Mg and K intake (p < .05) for lambs that grazed longer. However, pasture DMI and sodium intake increased (p < .05) in animals that grazed for less time (3 h). The chemical composition of the empty bodies in DM, fat, ash, Ca and P showed the greatest values (p < .05) in groups with animals grazing 9 h with a supplement level of 1.2% BW. Net maintenance requirements were 0.101-0.202 g Ca/day, 0.204-0.408 g P/day, 0.053-0.105 g Mg/day, 0.386-0.771 g K/day and 0.105-0.211 g Na/day for crossbred lambs between 15 and 30 kg BW. For the same group, net requirements to gain 100/200 g/day BW were 1.171/2.341-1.667/3.333 g Ca/day, 0.694/ 1.398-0.998/1.995 g P/day, 0.027/0.054-0.032/0.063 g Mg/day, 0.098/0.195-0.091/0.182 g K/day and 0.315/0.629-0.311/0.621 g Na/day. Lambs grazing longer (9 h Â 1.2% BW) displayed increased ADG and concentrate intake and reduced forage intake, which increased intake and body retention of Ca, P, Mg and K.ARTICLE HISTORY

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Macromineral profile in the plasma of Nubian goats as affected by the physiological state

Cited by 22 publications

References 10 publications

Some Physiological Responses of Shami Goats to Feeding Salt Tolerant Fodder Crops During Pregnancy Under South Sinai Conditions

Some Physiological Responses of Shami Goats to Feeding Salt Tolerant Fodder Crops During Pregnancy Under South Sinai Conditions

Influência da ordem e estádios da lactação no perfil bioquímico sangüíneo de cabras da raça Saanen

Dorper × Santa Ines F1 crossbred lambs under different grazing times and supplement levels in tropical regions: performance and macromineral requirements

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