Evidence map›Paper›PMID 42193748›Full record

ArticleAnimals : an open access journal from MDPI2026

Climatic Variability and Milk Quality as Sustainability Indicators in Dairy Farming Systems of Pastaza Province, Ecuador.

Darwin Yanez Avalos, José de la Torres Moreira, Johana Delgado Lozada, Kimberley Villamarin Alvarez, Milton Montalvo Lozada, Carlos Chasipanta Chuquimarca, John Castillo Torres, Iván González-Puetate, Ronnie Mayorga Burbano, Luis Condo Plaza and 4 more

Abstract read
In one paragraph

Article in Animals : an open access journal from MDPI, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing 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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

14 authors.

Darwin Yanez AvalosFauna, Conservation and Global Health Research Group, Amazonian Regional University (Ikiam), Km 7 Via Muyuna, Muyuna Parish, Tena 150102, Ecuador.
José de la Torres MoreiraFauna, Conservation and Global Health Research Group, Amazonian Regional University (Ikiam), Km 7 Via Muyuna, Muyuna Parish, Tena 150102, Ecuador.ORCID 0000-0003-4467-064X
Johana Delgado LozadaFauna, Conservation and Global Health Research Group, Amazonian Regional University (Ikiam), Km 7 Via Muyuna, Muyuna Parish, Tena 150102, Ecuador.
Kimberley Villamarin AlvarezFauna, Conservation and Global Health Research Group, Amazonian Regional University (Ikiam), Km 7 Via Muyuna, Muyuna Parish, Tena 150102, Ecuador.
Milton Montalvo LozadaFauna, Conservation and Global Health Research Group, Amazonian Regional University (Ikiam), Km 7 Via Muyuna, Muyuna Parish, Tena 150102, Ecuador.
Carlos Chasipanta ChuquimarcaFauna, Conservation and Global Health Research Group, Amazonian Regional University (Ikiam), Km 7 Via Muyuna, Muyuna Parish, Tena 150102, Ecuador.
John Castillo TorresFauna, Conservation and Global Health Research Group, Amazonian Regional University (Ikiam), Km 7 Via Muyuna, Muyuna Parish, Tena 150102, Ecuador.ORCID 0000-0003-3029-4786
Iván González-PuetateFaculty of Veterinary Medicine, University of Guayaquil, Guayaquil 090510, Ecuador.ORCID 0000-0001-9930-0617
Ronnie Mayorga BurbanoSchool of Agricultural and Environmental Sciences, Ibarra Campus, Pontifical Catholic University of Ecuador, Ibarra 100112, Ecuador.
Luis Condo PlazaAnimal Science Programme-Ecuador, Polytechnic School of Chimborazo (ESPOCH), Riobamba 060155, Ecuador.
Manuel Paredes OrozcoAnimal Science Programme-Ecuador, Polytechnic School of Chimborazo (ESPOCH), Riobamba 060155, Ecuador.
Pablo MariniFaculty of Veterinary Sciences, National University of Rosario, Rosario S2000CGK, Argentina.ORCID 0000-0002-9437-0736
Franklin Sánchez PilaAgroecology Program, Amazon Regional University (IKIAM), Tena 150102, Ecuador.
Kleber Gallegos GuerraFaculty of Life Sciences, Graduate School, Amazon Regional University (Ikiam), Km 7 Via Muyuna, Muyuna Parish, Tena 150102, Ecuador.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Milk production in humid tropical regions depends heavily on environmental conditions, yet little is known about how climatic variability affects milk quality in small-scale dairy systems in the Ecuadorian Amazon. This study examined the link between climatic variability and the physicochemical and microbiological quality of raw milk on dairy farms in Pastaza Province, Ecuador. Researchers collected and analyzed 127 milk samples in 2024 for fat, protein, total solids, and solids-not-fat using an automated milk analyzer. They also measured somatic cell count and total bacterial count as microbiological indicators. Climatic data, including precipitation, mean temperature, evaporation, relative humidity, cloud cover, and wind speed, were obtained from official meteorological records and analyzed using generalized linear models and multivariate analysis. The physicochemical makeup of milk remained stable despite climate change, indicating that tropical pasture-based dairy systems exhibit some productive resilience. By contrast, microbiological indicators, especially somatic cell count, varied more and were sensitive to environmental factors such as wind speed. These results show that milk composition remains stable under humid tropical conditions, whereas sanitary indicators respond more to climate variability. Better management and hygiene are crucial to maintaining sustainable dairy production systems in these environments.

Indexed as

climatic variabilitydairy systemsEcuadorian Amazonmilk qualitysomatic cell countsustainable livestock productiontropical livestock systems

Identifiers

PMID42193748
PMCPMC13203744

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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.