Glossary entry

Spanish term or phrase:

efecto madre

English translation:

the litter effect

Added to glossary by Lesley Jackson (X)
May 6, 2010 14:15
14 yrs ago
Spanish term

efecto madre

Spanish to English Other Livestock / Animal Husbandry experiment with rabbits
Spain: rabbit experiment, with bacitracin added to fodder to prevent epizootic rabbit enterocolitis (ERE): "Con objeto de minimizar el efecto madre, los gazapos de una misma camada serán distribuidos aleatoriamente entre los diferentes grupos de tratamiento." I get the idea, but what's the equivalent English term for "efecto madre"? Many thanks.

Discussion

neilmac May 7, 2010:
Lesley:) My client didn't make any specific comment about the point you mentioned (research results vs. research design) but says he'd go for "litter effect" in this case.
neilmac May 7, 2010:
Debs:) My client, the Editor of a a prestigious Rabbit Journal, says "litter effect" would be his choice here, so it turns out my earlier doubt about your suggestion was unfounded.
Bubo Coroman (X) May 7, 2010:
Neil: would the point you make be satisfied... if "maternal effect", which is your first choice, were changed to "mother effect"? I have done some further research and come up with these findings:
- in Spanish, I have found "efecto madre" and "efecto camada" used in the same text http://www.google.es/#hl=es&rlz=1W1ACPW_es&q="efecto camada"...

(there are further examples of "efecto camada" alone)

Correspondingly, in English I have found "mother effect" and "litter effect" used in the same texts, and the first 3 results indicate the two terms are not synonymous
http://www.google.es/#hl=es&rlz=1W1ACPW_es&q="mother effect"...

So perhaps "mother effect" is right and "litter effect" (my answer) is not, but I was wondering if "mother effect" would solve the point you raised?
neilmac May 7, 2010:
What I meant was That your observation about whether the "maternal effect" here is used appropriately to refer to research results rather than research design is a good one, but one that we would need to consult the authors about, or at least point out to them. The reviewers would normally ask the authors to clarify any such issues before re-submitting the revised draft for further consideration. The researchers attempt to obviate/miminimise the maternal effect because they are studying somatic or phenotype differences that could be masked by it. The Spanish usage "efecto madre" could apply to all 3 suggestions made so far [comment about other poster's suggestion removed, apparently not allowed]. I am interested in this query because I do a lot of work in cuniculture.
Lesley Jackson (X) (asker) May 6, 2010:
Yes, of course, but that has nothing to do with the discussion here. The point I was making was that the phrase "minimizar el efecto madre" clearly refers to a procedure for assuring that a trial is truly randomized -- just to help us get to the equivalent term for that in English. Thanks.
neilmac May 6, 2010:
If I may make an observation, with no wish to offend, I think that whether the trials in the text are truly randomised or not is surely for the reviewers to decide (presumably the text is for publication). As a translator in this case, my take on it is "ours not to reason why..." Unless you are that reviewer?
Lesley Jackson (X) (asker) May 6, 2010:
But I think the idea here is... that, if the rabbits in an experimental treatment group happened to be mostly from the same litter, the trial would not truly be randomized. The text is talking about preventing this by minimizing the "efecto madre." "Maternal effect" IS a term, but it seems to be used rather as a parameter of research *results* and not research design. Liz, I think you're on the right track. This may just have to be completely rewritten, not translated directly. Thanks.

Proposed translations

+2
33 mins
Selected

the litter effect

When litter effects are present, the statistical power of caries studies is improved if animals from the same litter are divided evenly among experimental groups.
http://www.online.karger.com/ProdukteDB/produkte.asp?Doi=165...

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Note added at 19 hrs (2010-05-07 09:17:00 GMT)
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sorry Lesley for causing confusion with my 2 hidden answers -- one of these was on the question "deplección de residuos", where I didn't answer again but simply said the other answers were correct; and the other one was on this question, where I hid "the effect of mothering" in order to post a new answer after seeing Liz' answer, which came in after mine. I can still see my hidden answers on the respective question pages, so as to know what they were, but I think perhaps you can't. All the best with your job! - Deborah

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Note added at 19 hrs (2010-05-07 09:46:55 GMT)
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after further research I've come up with "mother effect" as possibly the correct answer, and not "litter effect" -- have posted an answer to Neil in the Discussion. Thanks for your patience Lesley!
Note from asker:
Bingo! ;-) And here's another: Linear Rank Procedures on Litter-Matched Databy JE Michalek - 1984 - Cited by 3 - Related articles Department of Mathematics and Statistics, University of Nebraska, ... treatment effect, with adjustment for litter effect, by use of a stratified linear rank test with ..... Research Associate at the USAF School of Aerospace Medicine. ... www.jstor.org/stable/2531401 - Similar Thanks!
Peer comment(s):

agree Muriel Vasconcellos : This is my understanding.
1 hr
many thanks Muriel, after further research I have changed my answer to "mother effect" and hope it will help lead finally to the correct answer! - Deborah
agree neilmac : I bow to more expert knowledge than my own :-)
18 hrs
Thanks Neil, you're so kind! - Deb
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "Beyond the call of duty on this one... many thanks!"
4 mins

maternal effect

Something went wrong...
+1
11 mins

mother-litter separation effect

Journal of Circadian Rhythms | Full text | Effect of litter ...
by P Cano - 2005 - Related articles
Alvariño JMR, Del Arco JA, Bueno A: Effect of mother-litter separation on ... specific aspects of maternal nest-building and reduce food intake in rabbits. ...
www.jcircadianrhythms.com/content/3/1/9 - Cached - Similar

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Note added at 18 mins (2010-05-06 14:33:46 GMT)
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or

maternal separation

Maternal mediation, stress inoculation, and the development of ...
by KJ Parker - 2006 - Cited by 27 - Related articles
The brief maternal separation paradigm coincides with the rodent stress-hyporesponsive period (SHRP), ..... Mother rabbits provide minimal maternal care, however, .... Group composition was determined primarily by birth date to minimize ...
www.pnas.org/cgi/content/full/103/8/3000
Peer comment(s):

agree Bubo Coroman (X) : your answer helped me a lot with mine Liz, I was way off with my first attempt!
49 mins
neutral neilmac : My man says that he would go for "litter effect" here.
1 hr
Please do ask your rabbit expert, glad to know there is one around, then we will all learn something here. Cheers!
Something went wrong...
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