Evidence map›Paper›PMID 39541054›Full record

SynthesisTropical animal health and production2024

Milk production and composition in warm-climate regions: a systematic review and meta-analysis.

Mohamed Rashid, Hadeer M Aboshady, Rania Agamy, Harry Archimede

Erratum issuedAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Tropical animal health and production, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing 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

10 citing papers in PubMed.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors.

Mohamed RashidRegional Center for Food and Feed, Agricultural Research Center, Giza, 12619, Egypt. mohamed.rashid@arc.sci.eg.ORCID http://orcid.org/0000-0003-2827-7290
Hadeer M AboshadyAnimal Production Department, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt.
Rania AgamyAnimal Production Department, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt.
Harry ArchimedeAgroecology, Genetic and Tropical Livestock Farming System, INRAE, Petit-Bourg, Guadeloupe, 97170, France.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Milk production is a key component of the agriculture sector in the tropics and subtropics, contributing 47.32% to global milk production. This study aimed to quantify milk production and composition (fat and protein) in warm-climate regions located between 30 degrees north and south of the equator. A meta-analysis was conducted using the standardized mean (SM) for milk production, fat percentage, and protein percentage, all adjusted for dry matter intake (DMI), focusing on lactating ruminants. A total of 42, 11, 15, and 16 research papers were selected for cows, buffalo, sheep, and goats, respectively, encompassing 2421 animal records from experiments published between 1992 and 2024. The SM for milk production was 10.38, 9.77, 0.79, and 1.13 kg/day/animal for cows, buffalo, sheep, and goats, respectively. Due to the significant variance between different cow breeds, the study divided the cows into three main groups based on breed type crossbreds, foreign, and local breeds. The SM for milk production per animal was 11.49 kg/day for crossbreds, 22.95 kg/day for foreign breeds, and 7.13 kg/day for local breeds. The effect of DMI on the SM of milk production for cows, sheep, and goats was highly significant. For milk fat, the SM was 3.95, 6.64, 4.70, and 3.56% for cows, buffalo, sheep, and goats, respectively. Regarding milk protein, the SM was 3.36, 3.91, 4.34, and 3.45% for cows, buffalo, sheep, and goats, respectively. The results of this meta-analysis highlight that warm-climate regions are significant contributors to global dairy production. Furthermore, improving ruminant milk production and quality in hot climates need further efforts.

Indexed as

DairyingLactationMilkAnimalsBuffaloesCattleClimateFemaleGoatsMilk ProteinsSheepMilk ProteinsLactating ruminantMeta-analysisMilk constituteMilk fatMilk productionMilk proteinTropicsWarm-climate regions

Identifiers

PMID39541054
PMCPMC11564219

What OpenQuestion holds

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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.