Evidence map›Paper›PMID 40150320›Full record

ArticleAnimals : an open access journal from MDPI2025

Seasonal Variation in Essential Minerals, Trace Elements, and Potentially Toxic Elements in Donkey Milk from Banat and Balkan Breeds in the Zasavica Nature Reserve.

Dragana Ljubojević Pelić, Nenad Popov, Ema Gardić, Suzana Vidaković Knežević, Marina Žekić, Vladimir Gajdov, Milica Živkov Baloš

Abstract read
In one paragraph

Article in Animals : an open access journal from MDPI, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Dragana Ljubojević PelićScientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia.ORCID 0000-0002-7833-7696
Nenad PopovScientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia.ORCID 0000-0002-3102-4334
Ema GardićScientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia.ORCID 0009-0004-0454-9188
Suzana Vidaković KneževićScientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia.ORCID 0000-0001-7711-3917
Marina ŽekićScientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia.ORCID 0000-0002-3739-1709
Vladimir GajdovScientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia.ORCID 0000-0002-8824-8347
Milica Živkov BalošScientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia.ORCID 0000-0002-4266-1232

Funding

Science Fund of the Republic of Serbia 3535
6 · The paper itself

Abstract

Donkey milk is highly valued for its unique nutritional characteristics and hypoallergenic properties. However, limited data exist on its mineral composition and potential contaminants. This study aimed to comprehensively analyze the concentration of selected essential and toxic elements from Banat and Balkan donkey breeds reared under extensive organic conditions (free-range) across different seasons. The focus was on determining the concentrations of essential minerals and trace elements (Ca, P, Na, K, Mg, Zn, Cu, Se), and potentially toxic elements (As, Pb, Hg, Cd). Samples were collected monthly over one year, with nine pooled samples per season. Mineral elements were determined using a validated ICP-MS method. The mineral content ranges (mg/kg) were Ca (588.9-744.4), P (355.6-533.3), Mg (71.1-84.4), K (444.4-711.1), Na (355.6-444.4), with trace elements (mg/kg) including Zn (2.06-2.21), Cu (0.31-0.68), and Se (0.02-0.05). Potentially toxic elements were within safe limits, with the exception that Pb levels exceeded permissible limits in two samples. Statistically significant seasonal variations were observed for Ca, P, K, As, and Cu. Donkey milk from both breeds was rich in minerals and low in contaminants. This research highlights the need for further studies on the nutritional and safety aspects of donkey milk.

Indexed as

autochthonous donkey breedsfood safetyheavy metalsminerals

Identifiers

PMID40150320
PMCPMC11939533

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.