Evidence map›Paper›PMID 37004202›Full record

SynthesisJournal of animal science2023

Effects of dairy cow temperament on milk yield: a systematic review and meta-analysis.

Maria G Marçal-Pedroza, Maria Eugênia Andrighetto Canozzi, Mariana M Campos, Aline C Sant'Anna

Open access · greenAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Journal of animal science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
3.4field-weighted citation impact, top 8% of its field
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

3 citing papers in PubMed, 11 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
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

4 authors at 3 institutions in 2 countries.

Maria G Marçal-PedrozaNucleus of Studies and Research in Ethology and Animal Welfare (NEBEA), Department of Zoology, Institute of Biological Sciences, Federal University of Juiz de Fora, 36.036-330, Juiz de Fora, MG, Brazil.
Maria Eugênia Andrighetto CanozziInstituto Nacional de Investigación Agropecuaria (INIA), Estación Experimental La Estanzuela, Colonia 70000, Uruguay.
Mariana M CamposBrazilian Agricultural Research Corporation, Embrapa Dairy Cattle, Minas Gerais, 36038-330, Brazil.
Aline C Sant'AnnaNucleus of Studies and Research in Ethology and Animal Welfare (NEBEA), Department of Zoology, Institute of Biological Sciences, Federal University of Juiz de Fora, 36.036-330, Juiz de Fora, MG, Brazil.ORCID 0000-0002-5431-7199
Universidade Federal de Juiz de Fora · BRBrazilian Agricultural Research Corporation · BRInstituto Nacional de Investigación Agropecuaria · UY

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The temperament of dairy cows interferes in milk yield and quality, but there is a lack of consensus throughout the literature. Thus, systematic review (SR) and meta-analysis (MA) methodologies were used to assess the effects of dairy cow temperament on milk yield. Our literature search included four electronic databases (CABI Abstracts, Web of Science, PubMed, and Scopus) and bibliographies of the publications included on MA. As inclusion criteria, we considered publications about the temperament of lactating cows and its effect on daily milk yield and total milk yield (whole lactation). A random effect-MA was carried out separately for daily milk yield and total milk yield related to each class of cows' temperament, 'low' (low reactivity, calm animals), 'intermediate' (intermediate reactivity), and 'high' (high reactivity, reactive animals). A total of eight publications reporting 75 trials were included in the analyses for daily milk yield, and three publications reporting nine trials for total milk yield. For daily and total milk yield the heterogeneity between publications was high (I2 = 99.9%). Cows of European breeds with intermediate temperament produced less milk daily than the calm (P = 0.020) and reactive ones (P < 0.001). In the case of primiparous cows, those with intermediate temperament produced less milk daily (P < 0.001) than the reactive ones, while for multiparous, the intermediate produced less than calm (P = 0.032) and reactive cows (P < 0.001). Regarding the stage of lactation, cows evaluated throughout lactation with a calm temperament tended (P = 0.081) to produce more milk than the intermediate ones, but less than the reactive ones (P < 0.001). For total milk yield, reactive cows tended to produce more than the calm (P = 0.082) and intermediate (P = 0.001) ones. Among European and primiparous cows, reactive cows produced more than the intermediate (P = 0.001). According to our results, we cannot confirm what we expected, that calmer cows would be the most productive for both daily and total yield.

Indexed as

LactationMilkAnimalsCattleFemaleParityPregnancyTemperamentbehaviordairy cattleperformancepersonalityreactivity

Identifiers

PMID37004202
PMCPMC10158527
OpenAlexW4362457868

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.