The Net Mineral Requirement for Maintenance and Growth of Dorper x Hu Ewe Lambs

Zhang, Hao; Nie, Haitao; Wei, Tie; Wang, Zi Yu; Wang, Feng

doi:10.17582/journal.pjz/2018.50.3.1017.1027

Cited by 4 publications

(4 citation statements)

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“…Our findings are also consistent with mineral lick use both demographically and geographically. We found that Na requirements for growth and reproduction are more than double maintenance requirements, consistent with previous studies (Michell 1989, Zhang et al 2018). During these periods, plant‐consuming mammals in Na‐poor environments undoubtedly experience heightened levels of Na stress and should be more inclined to seek Na supplementation via alternative sources (Fig.…”

Section: Discussionsupporting

confidence: 93%

“…In addition, bone physiology appears intrinsically linked to Na homeostasis (Hannon and Verbalis 2014). In mammals, bone tissue represents the remaining ~ 40% of total body Na not found in soft tissues and body fluids (Erdman et al 2012, Strazzullo and Leclercq 2014, Zhang et al 2018). While the Na content of skeletal tissue appears constant throughout the animal kingdom (Manery 1954), and the proportion of BM represented by muscle appears to be constant across mammal body sizes (Calder 1996), bone mass as a fraction of body weight tends to increase hyper‐allometrically in mammals at a factor of 1.09–1.16 (Prange et al 1979, Lindstedt and Schaeffer 2002).…”

Section: Discussionmentioning

confidence: 99%

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Allometry of sodium requirements and mineral lick use among herbivorous mammals

Duvall

Griffiths

Clauss

et al. 2023

Oikos

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Sodium (Na) plays a critical role in the functioning of terrestrial ecosystems. In Na‐poor regions, plant consumers may experience Na deficiency and adapt by seeking supplementary Na resources. This can markedly impact animal behavior, space‐use, and co‐existence, with concomitant impacts on ecosystems. Many studies have noted that Na‐seeking behaviors, such as soil consumption from mineral licks, are predominately observed for larger‐bodied herbivores. However, the mechanisms that drive interspecific variation in Na deficiency and mineral lick use remain poorly understood. Here, we examine whether allometric scaling of Na requirements can explain variation in mineral lick use by herbivorous and omnivorous mammals. We 1) collated data from published literature to derive an allometric scaling of Na requirements in mammals, 2) compared predicted Na requirements to estimated Na intake of mammal communities in three globally distant sites: the Peruvian Amazon, Kalahari Desert, and Malaysian Borneo and 3) examined the relationship between predicted Na deficiency and mineral lick use utilizing camera‐trap and mammal abundance data at each site. We found that minimum daily Na maintenance requirements in mammals scaled allometrically at a higher factor (BM0.91 (CI: 0.80–1.0)) than that of food and water Na intake (BM0.71–0.79), indicating that larger species may be more susceptible to Na limitation. This aligned with a positive association between mineral lick use and body mass (BM), as well as Na deficiency, by species at all sites, and increased artificial salt and mineral lick consumption by larger‐bodied mammals in the Kalahari. Our results suggest that larger herbivores may be more sensitive to anthropogenic impacts to Na availability, which may alter their functional roles in ecosystems, particularly in Na‐poor regions. Further research is needed to explore the consequences of changing Na availability on animals and ecosystems, as well as advance our understanding of Na physiology in mammals.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Allometry of sodium requirements and mineral lick use among herbivorous mammals

Duvall

Griffiths

Clauss

et al. 2023

Oikos

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“…There was a positive correlation between BCS and Zn in this study. In modern (Zhang et al, 2018;Makhlouf et al, 2020). As parts of the enzymatic build-up requirements, Zn and Se are involved in different anabolic processes and cytogenetic activities which may clarify their relation with food conversion and body transformation (Ugwuja et al, 2015).…”

Section: Factors Affecting Serum Trace Elements Of Breeding Ewes In C...mentioning

confidence: 99%

“…Body condition score, lambing rate has amplified with selenium supplementation (Vázquez-Armijo et al, 2011;Awawdeh et al, 2019). Iron (Fe) occurs in major quantities in blood and muscle as well as in many enzymes (Zhang et al, 2018). Zinc (Zn) is indispensable in the production of many of the sex hormones, comprising enzymes, steroid hormones and GnRH (Stefanidou et al, 2006;Nielsen, 2012).…”

Section: Introductionmentioning

confidence: 99%

Factors Affecting Serum Trace Elements of Breeding Ewes in Central Saudi Arabia

Derar¹,

Ali²,

Almundarij³

et al. 2022

IJAR

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Background: Trace elements are indispensible for animal production and reproduction. Their requirements rely on many factors. Some of these factors have been studied in earlier reports but still other factors under investigation. The aim of the present study was to investigate factors affecting the level of manganese (Mn), selenium (Se), iron (Fe) and zinc (Zn) of sheep in Qassim Region, Central Saudi Arabia. Methods: Total of 131 clinically healthy and non-pregnant ewes were assigned for this study. Ewes were classified according to breed, parity, body condition score, housing system and feeding type. The animals were bled immediately after examination and sera were analyzed for trace elements using spectrometry. Result: Results showed that Awassi breed had higher Se, Fe and Zn levels than other breeds. Parity affected Se and Fe levels. Age, body condition score and parity affected Zn concentration. It can be concluded that breed, parity, age, body condition score, housing and feeding type could affect the level of serum trace elements in breeding ewes in central Saudi Arabia.

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