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הנהלה מרכז מידע - ספריה תלמידי מחקר יחידה עסקית דוברות מכוני מחקר אודות
שלח באימייל הדפס
מאיה זכות, Ph.D.  :שם
חקר בעלי חייםהמחלקה לחקר בקר וצאן :מחלקה/יחידה
03-9683022 :טלפון
052-8306552 :סלולרי
03-9683952 :פקס
  mayak@volcani.agri.gov.il :דוא"ל
ראשון לציון :מיקום פיזי
ד"ר מאיה זכות
המכון לחקר בע"ח
מנהל המחקר החקלאי, מכון וולקני

חוקרת פיזיולוגיה של פרות חלב

lab webpage: http://mayak0.wix.com/zachutlab

תחומי עניין / תאור תפקיד
פיזיולוגיה של פרות חלב בדגש על ביומרקרים לעקה מטבולית וסביבתית, מעורבות רקמת השומן בתהליכי דלקת והקשר למערכת האנדוקנבינואידית, פרוטאומיקה

Recent papers:


40. Zachut M, Šperanda M, de Almeida AM, Gabai G, Mobasheri A, Hernández-Castellano LE. Biomarkers of fitness and welfare in dairy cattle: healthy productivity. J Dairy Res. 2020 Feb;87(1):4-13. doi: 10.1017/S0022029920000084.PMID: 32114995.


39. Zachut M. Letter to the editor: Are the physiological effects of dietary n-3 fatty acids partly mediated by changes in activity of the endocannabinoid system in dairy cows? J Dairy Sci. 2020 Feb;103(2):1049. doi: 10.3168/jds.2019-17328.PMID: 31954500.


38. de Almeida AM, Zachut M, Hernández-Castellano LE, Šperanda M, Gabai G, Mobasheri A. Biomarkers of fitness and welfare in dairy animals: healthy living. J Dairy Res. 2019 Nov;86(4):379-387. doi: 10.1017/S0022029919000803. Epub 2019 Nov 20. PMID: 31744555.


37. Reducing milking frequency from thrice to twice daily in early lactation improves the metabolic status of high-yielding dairy cows with only minor effects on yields.

Moallem U, Kamer H, Hod A, Lifshitz L, Kra G, Jacoby S, Portnick Y, Zachut M.

J Dairy Sci. 2019 Oct;102(10):9468-9480. doi: 10.3168/jds.2019-16674. Epub 2019 Aug 7.


Proteomic analysis reveals greater abundance of complement and inflammatory proteins in subcutaneous adipose tissue from postpartum cows treated with sodium salicylate.

Takiya CS, Montgomery SR, Mamedova LK, Kra G, Nemes-Navon N, Levin Y, Fleming SD, Bradford BJ, Zachut M.

J Proteomics. 2019 Jul 30;204:103399. doi: 10.1016/j.jprot.2019.103399. Epub 2019 May 29.


Dietary supplementation of Scutellaria baicalensis extract during early lactation decreases milk somatic cells and increases whole lactation milk yield in dairy cattle.

Olagaray KE, Brouk MJ, Mamedova LK, Sivinski SE, Liu H, Robert F, Dupuis E, Zachut M, Bradford BJ.

PLoS One. 2019 Jan 23;14(1):e0210744. doi: 10.1371/journal.pone.0210744. eCollection 2019.


Effect of lactation trimester and parity on eating behavior, milk production and efficiency traits of dairy cows.

Ben Meir YA, Nikbachat M, Jacoby S, Portnik Y, Levit H, Elazary AK, Gershon E, Adin G, Zinder-Cohen M, Shabtay A, Zachut M, Mabjeesh SJ, Halachmi I, Miron J.

Animal. 2019 Aug;13(8):1736-1743. doi: 10.1017/S1751731118003452. Epub 2019 Jan 7.


Effects of sodium salicylate on glucose kinetics and insulin signaling in postpartum dairy cows.

Montgomery SR, Mamedova LK, Zachut M, Kra G, Häussler S, Vaughn M, Gonzalez J, Bradford BJ.

J Dairy Sci. 2019 Feb;102(2):1617-1629. doi: 10.3168/jds.2018-15312. Epub 2018 Dec 24.


Characterization of the endocannabinoid system in subcutaneous adipose tissue in periparturient dairy cows and its association to metabolic profiles.

Zachut M, Kra G, Moallem U, Livshitz L, Levin Y, Udi S, Nemirovski A, Tam J.

PLoS One. 2018 Nov 7;13(11):e0205996. doi: 10.1371/journal.pone.0205996. eCollection 2018.


Eating behavior, milk production, rumination, and digestibility characteristics of high- and low-efficiency lactating cows fed a low-roughage diet.

Ben Meir YA, Nikbachat M, Fortnik Y, Jacoby S, Levit H, Adin G, Cohen Zinder M, Shabtay A, Gershon E, Zachut M, Mabjeesh SJ, Halachmi I, Miron J.

J Dairy Sci. 2018 Dec;101(12):10973-10984. doi: 10.3168/jds.2018-14684. Epub 2018 Sep 27.


Liver proteomic analysis of postpartum Holstein cows exposed to heat stress or cooling conditions during the dry period.

Skibiel AL, Zachut M, do Amaral BC, Levin Y, Dahl GE.

J Dairy Sci. 2018 Jan;101(1):705-716. doi: 10.3168/jds.2017-13258. Epub 2017 Nov 8.


Preovulatory follicle characteristics and oocyte competence in repeat breeder dairy cows.

Sood P, Zachut M, Dekel I, Dube H, Jacoby S, Moallem U.

J Dairy Sci. 2017 Nov;100(11):9372-9381. doi: 10.3168/jds.2017-12973. Epub 2017 Sep 6.


Proteome dataset of subcutaneous adipose tissue obtained from late pregnant dairy cows during summer heat stress and winter seasons.

Zachut M, Kra G, Livshitz L, Portnick Y, Yakoby S, Friedlander G, Levin Y.

Data Brief. 2017 May 4;12:535-539. doi: 10.1016/j.dib.2017.04.042. eCollection 2017 Jun.


Seasonal heat stress affects adipose tissue proteome toward enrichment of the Nrf2-mediated oxidative stress response in late-pregnant dairy cows.

Zachut M, Kra G, Livshitz L, Portnick Y, Yakoby S, Friedlander G, Levin Y.

J Proteomics. 2017 Mar 31;158:52-61. doi: 10.1016/j.jprot.2017.02.011. Epub 2017 Feb 24.


Consistent magnitude of postpartum body weight loss within cows across lactations and the relation to reproductive performance.

Zachut M, Moallem U.

J Dairy Sci. 2017 Apr;100(4):3143-3154. doi: 10.3168/jds.2016-11750. Epub 2017 Jan 26.


Proteome dataset of pre-ovulatory follicular fluids from less fertile dairy cows.

Zachut M, Sood P, Livshitz L, Kra G, Levin Y, Moallem U.

Data Brief. 2016 Apr 26;7:1515-8. doi: 10.1016/j.dib.2016.04.051. eCollection 2016 Jun.


Proteomic analysis of preovulatory follicular fluid reveals differentially abundant proteins in less fertile dairy cows.

Zachut M, Sood P, Levin Y, Moallem U.

J Proteomics. 2016 Apr 29;139:122-9. doi: 10.1016/j.jprot.2016.03.027. Epub 2016 Mar 18.


Detecting ethanol and acetaldehyde by simple and ultrasensitive fluorimetric methods in compound foods.

Zachut M, Shapiro F, Silanikove N.

Food Chem. 2016 Jun 15;201:270-4. doi: 10.1016/j.foodchem.2016.01.079. Epub 2016 Jan 21.


Defining the Adipose Tissue Proteome of Dairy Cows to Reveal Biomarkers Related to Peripartum Insulin Resistance and Metabolic Status.

Zachut M.

J Proteome Res. 2015 Jul 2;14(7):2863-71. doi: 10.1021/acs.jproteome.5b00190. Epub 2015 Jun 19.


Behavioral and hormonal pattern of repeat breeder cows around estrus.

Sood P, Zachut M, Dube H, Moallem U.

Reproduction. 2015 Jun;149(6):545-54. doi: 10.1530/REP-14-0598. Epub 2015 Mar 2.


Dietary α-linolenic acid from flaxseed oil or eicosapentaenoic and docosahexaenoic acids from fish oil differentially alter fatty acid composition and characteristics of fresh and frozen-thawed bull semen.

Moallem U, Neta N, Zeron Y, Zachut M, Roth Z.

Theriogenology. 2015 Apr 15;83(7):1110-20. doi: 10.1016/j.theriogenology.2014.12.008. Epub 2014 Dec 12.



Dietary α-linolenic acid from flaxseed oil improved folliculogenesis and IVF performance in dairy cows, similar to eicosapentaenoic and docosahexaenoic acids from fish oil.

Moallem U, Shafran A, Zachut M, Dekel I, Portnick Y, Arieli A.

Reproduction. 2013 Oct 26;146(6):603-14. doi: 10.1530/REP-13-0244. Print 2013 Dec.

Periparturient dairy cows do not exhibit hepatic insulin resistance, yet adipose-specific insulin resistance occurs in cows prone to high weight loss.

Zachut M, Honig H, Striem S, Zick Y, Boura-Halfon S, Moallem U.

J Dairy Sci. 2013 Sep;96(9):5656-69. doi: 10.3168/jds.2012-6142. Epub 2013 Jul 17.


Transfer rate of α-linolenic acid from abomasally infused flaxseed oil into milk fat and the effects on milk fatty acid composition in dairy cows.

Moallem U, Vyas D, Teter BB, Delmonte P, Zachut M, Erdman RA.

J Dairy Sci. 2012 Sep;95(9):5276-5284. doi: 10.3168/jds.2012-5415.


Performance and welfare of high-yielding dairy cows subjected to 5 or 8 cooling sessions daily under hot and humid climate.

Honig H, Miron J, Lehrer H, Jackoby S, Zachut M, Zinou A, Portnick Y, Moallem U.

J Dairy Sci. 2012 Jul;95(7):3736-42. doi: 10.3168/jds.2011-5054.


Incorporation of dietary n-3 fatty acids into ovarian compartments in dairy cows and the effects on hormonal and behavioral patterns around estrus.

Zachut M, Arieli A, Moallem U.

Reproduction. 2011 Jun;141(6):833-40. doi: 10.1530/REP-10-0518. Epub 2011 Mar 9.


Effects of high dietary crude protein on the characteristics of preovulatory follicles in dairy heifers.

Moallem U, Blanck R, Lehrer H, Livshitz L, Zachut M, Arieli A.

J Dairy Sci. 2011 Feb;94(2):785-92. doi: 10.3168/jds.2010-3565.


Effects of increased supplementation of n-3 fatty acids to transition dairy cows on performance and fatty acid profile in plasma, adipose tissue, and milk fat.

Zachut M, Arieli A, Lehrer H, Livshitz L, Yakoby S, Moallem U.

J Dairy Sci. 2010 Dec;93(12):5877-89. doi: 10.3168/jds.2010-3427.


Long-term effects of ad libitum whole milk prior to weaning and prepubertal protein supplementation on skeletal growth rate and first-lactation milk production.

Moallem U, Werner D, Lehrer H, Zachut M, Livshitz L, Yakoby S, Shamay A.

J Dairy Sci. 2010 Jun;93(6):2639-50. doi: 10.3168/jds.2009-3007.


Production performance and pattern of milk fat depression of high-yielding dairy cows supplemented with encapsulated conjugated linoleic acid.

Moallem U, Lehrer H, Zachut M, Livshitz L, Yacoby S.

Animal. 2010 Apr;4(4):641-52. doi: 10.1017/S1751731109991364.


Effects of dietary fats differing in n-6:n-3 ratio fed to high-yielding dairy cows on fatty acid composition of ovarian compartments, follicular status, and oocyte quality.

Zachut M, Dekel I, Lehrer H, Arieli A, Arav A, Livshitz L, Yakoby S, Moallem U.

J Dairy Sci. 2010 Feb;93(2):529-45. doi: 10.3168/jds.2009-2167.


The effects of live yeast supplementation to dairy cows during the hot season on production, feed efficiency, and digestibility.

Moallem U, Lehrer H, Livshitz L, Zachut M, Yakoby S.

J Dairy Sci. 2009 Jan;92(1):343-51. doi: 10.3168/jds.2007-0839.


Dietary unsaturated fatty acids influence preovulatory follicle characteristics in dairy cows.

Zachut M, Arieli A, Lehrer H, Argov N, Moallem U.

Reproduction. 2008 May;135(5):683-92. doi: 10.1530/REP-07-0556. Epub 2008 Feb 22.


מעודכן בתאריך: 24/05/20 12:51
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