{"id":56627,"date":"2019-04-11T22:00:18","date_gmt":"2019-04-11T22:00:18","guid":{"rendered":"https:\/\/www.zinpro.com\/copper-are-we-feeding-more-than-what-is-needed-for-dairy-cattle-nutrition\/"},"modified":"2025-03-07T12:14:59","modified_gmt":"2025-03-07T17:14:59","slug":"copper-are-we-feeding-more-than-what-is-needed-for-dairy-cattle-nutrition__trashed","status":"publish","type":"post","link":"https:\/\/www.zinpro.com\/pl\/resource-center\/blog\/copper-are-we-feeding-more-than-what-is-needed-for-dairy-cattle-nutrition__trashed\/","title":{"rendered":"Mied\u017a: Czy podajemy wi\u0119cej ni\u017c potrzeba w \u017cywieniu byd\u0142a mlecznego?"},"content":{"rendered":"<p>Je\u015bli chodzi o suplementacj\u0119 miedzi\nw \u017cywieniu kr\u00f3w mlecznych, producenci mleka musz\u0105 upewni\u0107 si\u0119, \u017ce\nzaspokajaj\u0105 potrzeby zwierz\u0105t w zakresie optymalnej wydajno\u015bci, a jednocze\u015bnie\nupewniaj\u0105c si\u0119, \u017ce poziomy suplementacji nie s\u0105 wystarczaj\u0105co wysokie, aby spowodowa\u0107 nadmierne\nmiedzi w w\u0105trobie. <\/p>\n\n\n\n<p>Mied\u017a jest krytycznym sk\u0142adnikiem\nr\u00f3\u017cnych funkcji metabolicznych i strukturalnych u byd\u0142a mlecznego,\nw tym nast\u0119puj\u0105ce: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tworzenie pigmentu melaniny<\/li>\n\n\n\n<li>Produkcja ATP<\/li>\n\n\n\n<li>Wch\u0142anianie i metabolizm \u017celaza<\/li>\n\n\n\n<li>Dojrzewanie czerwonych krwinek<\/li>\n\n\n\n<li>Funkcja odporno\u015bciowa<\/li>\n\n\n\n<li>Wi\u0105zanie dwusiarczkowe i bia\u0142ka keratynowe<\/li>\n\n\n\n<li>Tworzenie kolagenu <\/li>\n<\/ul>\n\n\n\n<p>W przypadku nadmiernej suplementacji,\nmied\u017a mo\u017ce sta\u0107 si\u0119 toksyczna. W przypadku skrajnego nadmiaru suplementacji, w\u0105troba\nw\u0105troba b\u0119dzie gromadzi\u0107 wysoki poziom miedzi.\nKrowy mog\u0105 nie wykazywa\u0107 tego objaw\u00f3w, dop\u00f3ki stresuj\u0105ce wydarzenie, kt\u00f3re wymaga zwi\u0119kszonej aktywno\u015bci katabolicznej w\u0105troby\nkatabolicznej aktywno\u015bci w\u0105troby powoduje uwolnienie ogromnej ilo\u015bci miedzi do krwi (hemolityczne zapalenie w\u0105troby).\ndo krwi (kryzys hemolityczny), co mo\u017ce prowadzi\u0107 do nast\u0119puj\u0105cych objaw\u00f3w:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Znaczna hemoliza, czyli rozerwanie czerwonych krwinek, uwalniaj\u0105ce hemoglobin\u0119 do krwi.\nczerwonych krwinek, uwalniaj\u0105c hemoglobin\u0119 do krwi, a tym samym,\nzmniejszenie ilo\u015bci tlenu w organizmie. <\/li>\n\n\n\n<li>\u017b\u00f3\u0142taczka, kt\u00f3ra jest wynikiem nadmiernej ilo\u015bci\nbilirubiny we krwi. <\/li>\n\n\n\n<li>Powszechna martwica, czyli \u015bmier\u0107 wi\u0119kszo\u015bci lub wszystkich kom\u00f3rek narz\u0105du\nlub wszystkich kom\u00f3rek w narz\u0105dzie lub tkance z powodu braku dop\u0142ywu krwi. <\/li>\n\n\n\n<li>A nawet \u015bmier\u0107.<\/li>\n<\/ul>\n\n\n\n<p>Pr\u00f3bka w\u0105troby z przemys\u0142u\nz kilku \u017ar\u00f3de\u0142 wskazuj\u0105, \u017ce nawet umiarkowanie podwy\u017cszone poziomy\nmiedzi mog\u0105 by\u0107 problematyczne. To sprawia, \u017ce ocena statusu miedzi\nna poziomie stada.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-determining-copper-status\">Okre\u015blanie statusu miedzi<\/h3>\n\n\n\n<p>Tkanka w\u0105trobowa jest\nidealnym wska\u017anikiem statusu miedzi u zwierz\u0105t i odzwierciedla d\u0142ugoterminow\u0105 dost\u0119pno\u015b\u0107 miedzi w diecie (Herdt i Hoff, 2011).\ndost\u0119pno\u015b\u0107 miedzi w diecie (Herdt i Hoff, 2011). Mied\u017a wi\u0105\u017ce si\u0119 z\nmetalotionein\u0105 w w\u0105trobie, co jest wa\u017cne, poniewa\u017c nadmiar wolnej miedzi\nw w\u0105trobie mo\u017ce uszkadza\u0107 b\u0142ony lipidowe w\u0105troby, a mied\u017a jest prooksydantem. <\/p>\n\n\n\n<p>Odpowiednie poziomy zawarto\u015bci miedzi w w\u0105trobie\nwynosi od 75 ppm do 300 ppm suchej masy (Puls, 1994). W przesz\u0142o\u015bci\nW przesz\u0142o\u015bci obawy dotycz\u0105ce nadmiernej akumulacji miedzi nie pojawia\u0142y si\u0119, dop\u00f3ki\npoziomy przekracza\u0142y 750 ppm suchej masy, ale istniej\u0105 dowody na to, \u017ce producenci powinni\nbli\u017cej przyjrze\u0107 si\u0119 ilo\u015bci suplementacji, je\u015bli poziomy miedzi w w\u0105trobie\nprzekracza 500 ppm suchej masy. <\/p>\n\n\n\n<p>Lyman et al. (2015)\nstwierdzili, \u017ce st\u0119\u017cenie miedzi w w\u0105trobie u wybrakowanych kr\u00f3w mlecznych wynosi\u0142o \u015brednio\nok. <br>\n500 ppm, a wiele z tych pr\u00f3bek wykazywa\u0142o oznaki peroksydacji b\u0142on lipidowych.\nSchefers (2015) wyja\u015bni\u0142, \u017ce poziomy enzym\u00f3w w\u0105trobowych we krwi by\u0142y podwy\u017cszone, gdy\nst\u0119\u017cenia miedzi w w\u0105trobie by\u0142y wi\u0119ksze ni\u017c 450 ppm, co wskazywa\u0142o na pewne uszkodzenia w\u0105troby.\nuszkodzenie w\u0105troby. <\/p>\n\n\n\n<p>Losowe pr\u00f3bki w\u0105troby pobrane przez Zinpro od zdrowych kr\u00f3w mlecznych w po\u0142owie laktacji w latach 2000-2017 pokazuj\u0105, \u017ce st\u0119\u017cenie miedzi w w\u0105trobie tych losowo pobranych kr\u00f3w znajduje si\u0119 na granicy zagro\u017cenia. Patrz\u0105c g\u0142\u0119biej, mo\u017cna jednak zauwa\u017cy\u0107 znaczn\u0105 liczb\u0119 kr\u00f3w o znacznie wy\u017cszych poziomach. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/www.zinpro.com\/wp-content\/uploads\/2023\/06\/Dairy-Copper-Chart-1-scaled.jpg\" alt=\"\" class=\"wp-image-14454\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-potential-causes-of-excessive-copper-accumulation\">Potencjalne przyczyny nadmiernej akumulacji miedzi<\/h3>\n\n\n\n<p>Istnieje kilka\nczynnik\u00f3w, kt\u00f3re mog\u0105 przyczynia\u0107 si\u0119 do nadmiernej akumulacji miedzi.\nUtrzymanie i ci\u0105\u017ca s\u0105 g\u0142\u00f3wnymi czynnikami wp\u0142ywaj\u0105cymi na zapotrzebowanie na mied\u017a,\nw mniejszym stopniu produkcja mleka. Jednak\u017ce, dzisiejsze krowy mleczne spo\u017cywaj\u0105\nwi\u0119cej suchej masy ni\u017c w przesz\u0142o\u015bci ze wzgl\u0119du na wy\u017csz\u0105 produkcj\u0119 mleka. Krowa, kt\u00f3ra\nzjada 60 funt\u00f3w (27 kg) suchej masy zu\u017cywa dodatkowe 90 mg miedzi dziennie\nw por\u00f3wnaniu do krowy spo\u017cywaj\u0105cej zaledwie 50 funt\u00f3w (23 kg), przy za\u0142o\u017ceniu poziomu 20 ppm\nca\u0142kowitej miedzi w diecie. To mo\u017ce nie wydawa\u0107 si\u0119 du\u017co, ale robi\nznacz\u0105c\u0105 r\u00f3\u017cnic\u0119 w ci\u0105gu ca\u0142ego \u017cycia krowy.  Dodatkowo, wraz ze wzrostem spo\u017cycia paszy\nzmniejsza si\u0119 czas ekspozycji miedzi na antagonist\u00f3w (molibden).\nantagonist\u00f3w (molibdenu i siarki), co mo\u017ce skutkowa\u0107 wi\u0119ksz\u0105 absorpcj\u0105 miedzi.\nwch\u0142anianie miedzi.<\/p>\n\n\n\n<p>St\u0119\u017cenie miedzi w w\u0105trobie wzros\u0142o o oko\u0142o 230 ppm suchej masy, gdy byd\u0142o mleczne w okresie laktacji by\u0142o suplementowane 12-15 ppm miedzi przez dwie laktacje (Nocek i in., 2006). Jedynym okresem, w kt\u00f3rym mied\u017a w w\u0105trobie ma tendencj\u0119 do zmniejszania si\u0119 w ci\u0105gu \u017cycia krowy, poza celowym usuni\u0119ciem suplementacji miedzi\u0105, jest okres zasuszenia. Mo\u017ce to wynika\u0107 z po\u0142\u0105czenia zaspokajania potrzeb rozwijaj\u0105cego si\u0119 ciel\u0119cia i faktu, \u017ce spo\u017cycie suchej masy jest do 50% ni\u017csze w por\u00f3wnaniu do kr\u00f3w w okresie laktacji.  Jednak wkr\u00f3tce po wycieleniu gromadzenie miedzi zaczyna si\u0119 ponownie i cz\u0119sto przekracza poziom utrzymywany w poprzedniej laktacji.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/www.zinpro.com\/wp-content\/uploads\/2023\/06\/Dairy-Copper-Chart2-1-scaled.jpg\" alt=\"\" class=\"wp-image-14458\"\/><\/figure>\n\n\n\n<p>Inn\u0105 mo\u017cliw\u0105 przyczyn\u0105\nnadmiernej akumulacji miedzi jest to, \u017ce dietetycy mog\u0105 u\u017cywa\u0107 warto\u015bci\nzamiast analizowanych warto\u015bci dla minera\u0142\u00f3w. U\u017cywanie warto\u015bci ksi\u0105\u017ckowych jest zdecydowanie\nodradzane, poniewa\u017c zawarto\u015b\u0107 minera\u0142\u00f3w \u015bladowych mo\u017ce by\u0107 bardzo zmienna w zale\u017cno\u015bci od\nr\u00f3\u017cne warunki w gospodarstwie, w tym st\u0119\u017cenie minera\u0142\u00f3w w glebie, pH gleby, po\u0142o\u017cenie geograficzne, zanieczyszczenie gleby\npH gleby, po\u0142o\u017cenie geograficzne, zanieczyszczenie gleby podczas zbior\u00f3w i rodzaj paszy. Ro\u015bliny str\u0105czkowe\ngromadz\u0105 wi\u0119ksze ilo\u015bci Cu w por\u00f3wnaniu z trawami, dlatego te\u017c r\u00f3\u017cne uprawy\nro\u015bliny pastewne b\u0119d\u0105 mia\u0142y r\u00f3\u017cn\u0105 wra\u017cliwo\u015b\u0107 na akumulacj\u0119 Cu.<\/p>\n\n\n\n<p>Stosowanie k\u0105pieli\nw gospodarstwie mo\u017ce by\u0107 r\u00f3wnie\u017c czynnikiem przyczyniaj\u0105cym si\u0119 do nadmiernej akumulacji miedzi.\nakumulacji miedzi. Szacuje si\u0119, \u017ce mleczarnia licz\u0105ca 1000 kr\u00f3w, w kt\u00f3rej trzy razy w tygodniu stosuje si\u0119 k\u0105piel z 5-procentowym\nsiarczanu miedzi trzy razy w tygodniu b\u0119dzie dostarcza\u0107 oko\u0142o dw\u00f3ch ton miedzi do obornika\nton miedzi do obornika ka\u017cdego roku, kt\u00f3ry jest nast\u0119pnie rozprowadzany na polu.\nObornik jest cz\u0119sto rozrzucany na gruntach po\u0142o\u017conych najbli\u017cej gospodarstwa, wi\u0119c w tym scenariuszu mo\u017ce wyst\u0105pi\u0107\nefektywna akumulacja na polu w tym scenariuszu.<\/p>\n\n\n\n<p>Nawet je\u015bli mied\u017a\ngromadzi si\u0119 przez ca\u0142e \u017cycie zwierz\u0119cia, obawy zwi\u0105zane z t\u0105 kwesti\u0105 nie s\u0105\nnie ograniczaj\u0105 si\u0119 do starszego byd\u0142a mlecznego. Kendall et al. (2015) zaobserwowali, \u017ce poziomy miedzi w w\u0105trobie\nw w\u0105trobie kr\u00f3w mlecznych nie r\u00f3\u017cni\u0142 si\u0119 w zale\u017cno\u015bci od wieku, gdy krowy osi\u0105gn\u0119\u0142y wiek dw\u00f3ch lat (od 2 do 15 lat).\nwieku (od 2 do 15 lat).  Gomez i in.\n(2014) stwierdzili, \u017ce wo\u0142y rasy Holstein o masie cia\u0142a od 300 do 600 funt\u00f3w mia\u0142y\npoziom miedzi w w\u0105trobie przekraczaj\u0105cy 500 ppm suchej masy. Lyman (2013) przedstawi\u0142\nprzypadki, w kt\u00f3rych ja\u0142\u00f3wki o wadze poni\u017cej 550 funt\u00f3w i wo\u0142y w wieku poni\u017cej czterech miesi\u0119cy\nwykazywa\u0142y ju\u017c objawy toksyczno\u015bci miedzi.\nAkumulacja miedzi mo\u017ce rozpocz\u0105\u0107 si\u0119 w macicy, poniewa\u017c Graham i wsp.\npoziom miedzi w w\u0105trobie by\u0142 podobny u matek i p\u0142od\u00f3w. Ponadto,\nPonadto, raporty terenowe wskazuj\u0105, \u017ce poziom miedzi w w\u0105trobie nowonarodzonych ciel\u0105t Holstein\nw niekt\u00f3rych przypadkach przekracza\u0142 500 ppm suchej masy.&nbsp; <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-meeting-the-copper-needs-of-the-animal\">Zaspokajanie potrzeb zwierz\u0105t w zakresie miedzi<\/h3>\n\n\n\n<p>W wi\u0119kszo\u015bci przypadk\u00f3w suplementy z minera\u0142ami \u015bladowymi powinny dostarcza\u0107 krowom i ja\u0142\u00f3wkom rasy holszty\u0144skiej od 8 ppm do 10 ppm uzupe\u0142niaj\u0105cej miedzi, z zastrze\u017ceniem, aby nie przekracza\u0107 400 mg ca\u0142kowitej miedzi w diecie dziennie. Badania Zinpro pokazuj\u0105, \u017ce dostarczanie wi\u0119cej ni\u017c 400 mg miedzi dziennie mo\u017ce skutkowa\u0107 poziomem miedzi w w\u0105trobie przekraczaj\u0105cym 450 ppm suchej masy, niezale\u017cnie od tego, czy \u017ar\u00f3d\u0142em miedzi by\u0142y minera\u0142y nieorganiczne, czy minera\u0142y \u015bladowe (Kellogg i in., 2003, Ferguson i in., 2004, Nocek i in., 2006, Ballantine i in., 2002, Griffiths i in., 2007, Siciliano-Jones i in., 2008, Hackbart i in., 2010).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/www.zinpro.com\/wp-content\/uploads\/2023\/06\/Dairy-Copper-Chart3-1-scaled.jpg\" alt=\"\" class=\"wp-image-14461\"\/><\/figure>\n\n\n\n<p>Krowy i ja\u0142\u00f3wki rasy Jersey\ns\u0105 bardziej wydajne w gromadzeniu miedzi w w\u0105trobie (Du et al., 1996), wi\u0119c\nwi\u0119c nale\u017cy ograniczy\u0107 suplementacj\u0119 do 6 do 8 ppm, lub ca\u0142kowitego maksimum dietetycznego wynosz\u0105cego\n300 mg miedzi dziennie.<\/p>\n\n\n\n<p>Wreszcie, 3,5 do 5 ppm uzupe\u0142niaj\u0105cej miedzi powinno pochodzi\u0107 ze \u017ar\u00f3d\u0142a, kt\u00f3re jest mniej podatne na stres i antagonist\u00f3w. W tym mied\u017a skompleksowana aminokwasem, takim jak <a href=\"https:\/\/www.zinpro.com\/pl\/product\/zinpro-propath-cu\/\">Zinpro\u00ae ProPath\u00ae Cu<\/a> podawany zestresowanemu byd\u0142u mlecznemu poprawia retencj\u0119 miedzi w por\u00f3wnaniu z nieorganicznym siarczanem miedzi. Sugeruje to inn\u0105 aktywno\u015b\u0107 metaboliczn\u0105, gdy mied\u017a jest podawana jako Zinpro ProPath Cu.<\/p>\n\n\n\n<p>Aby upewni\u0107 si\u0119, \u017ce byd\u0142o mleczne otrzymuje odpowiedni\u0105 ilo\u015b\u0107 miedzi, dietetycy powinni pobiera\u0107 pr\u00f3bki wody co najmniej raz w roku, aby by\u0107 czujnym na potencjalne antagonizmy, takie jak \u017celazo lub siarczany. Nast\u0119pnie powinni prowadzi\u0107 bibliotek\u0119 pasz, kt\u00f3ra zawiera analiz\u0119 minera\u0142\u00f3w \u015bladowych dla ich mleczarni, zamiast korzysta\u0107 z warto\u015bci ksi\u0105\u017ckowych. Zapewni to wiarygodny punkt odniesienia dla podstawowych poziom\u00f3w miedzi i antagonist\u00f3w w gospodarstwie lub regionie.  Gdy poziomy molibdenu i siarki w diecie s\u0105 wysokie, mo\u017ce by\u0107 konieczna zmiana wcze\u015bniej wspomnianych zalece\u0144. Jednym ze sposob\u00f3w jest utrzymanie stosunku miedzi do molibdenu na poziomie 4:1, szczeg\u00f3lnie gdy poziom siarki przekracza 0,3%. Jak pokazano w poni\u017cszej tabeli, gdy poziomy siarki s\u0105 bli\u017csze 0,2, zmiana ta jest mniej konieczna. Ponadto, je\u015bli diety s\u0105 bogate zar\u00f3wno w molibden, jak i siark\u0119, a zatem warunki sprzyjaj\u0105 tworzeniu si\u0119 tiomolibdenian\u00f3w, producenci powinni rozwa\u017cy\u0107 dostarczenie cz\u0119\u015bci uzupe\u0142niaj\u0105cej miedzi ze \u017ar\u00f3d\u0142a miedzi dost\u0119pnej w \u017cwaczu, aby zmniejszy\u0107 wch\u0142anianie tiomolibdenian\u00f3w. Wch\u0142oni\u0119te tiomolibdiany uniemo\u017cliwi\u0105 metaboliczn\u0105 dost\u0119pno\u015b\u0107 wch\u0142oni\u0119tej miedzi.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/www.zinpro.com\/wp-content\/uploads\/2023\/06\/Dairy-Copper-Chart4-1-scaled.jpg\" alt=\"\" class=\"wp-image-14464\"\/><\/figure>\n\n\n\n<p>Mied\u017a jest niezb\u0119dnym sk\u0142adnikiem od\u017cywczym wymaganym dla wielu funkcji biologicznych, ale mo\u017cliwe jest r\u00f3wnie\u017c posiadanie zbyt wielu dobrych rzeczy. Bior\u0105c pod uwag\u0119 czynniki zwi\u0105zane z wi\u0119kszym spo\u017cyciem paszy i wy\u017cszymi podstawowymi poziomami miedzi w diecie oraz nadmiern\u0105 akumulacj\u0105 miedzi w tkance w\u0105trobowej, diety musz\u0105 by\u0107 dok\u0142adnie zaprojektowane pod k\u0105tem suplementacji miedzi\u0105. <\/p>\n\n\n\n<p>Aby dowiedzie\u0107 si\u0119 wi\u0119cej o odpowiednich poziomach miedzi dla byd\u0142a mlecznego lub zapyta\u0107 o w\u0142\u0105czenie <a href=\"https:\/\/www.zinpro.com\/pl\/product\/zinpro-propath-cu\/\">Zinpro ProPath Cu<\/a>  w programie \u017cywienia byd\u0142a mlecznego, skontaktuj si\u0119 z przedstawicielem Zinpro ju\u017c dzi\u015b.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Mied\u017a jest niezb\u0119dnym sk\u0142adnikiem od\u017cywczym wymaganym do wielu funkcji biologicznych, ale mo\u017cna te\u017c mie\u0107 za du\u017co dobrego. Dowiedz si\u0119, jak upewni\u0107 si\u0119, \u017ce spe\u0142niasz wymagania \u017cywieniowe byd\u0142a mlecznego w zakresie miedzi, unikaj\u0105c jednocze\u015bnie konsekwencji nadmiernej suplementacji, szczeg\u00f3lnie d\u0142ugoterminowej.<\/p>","protected":false},"author":38,"featured_media":56632,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_tec_requires_first_save":true,"_eb_attr":"","_uag_custom_page_level_css":"","_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"_tribe_blocks_recurrence_rules":"","_tribe_blocks_recurrence_description":"","_tribe_blocks_recurrence_exclusions":"","_ecp_custom_2":"","footnotes":""},"categories":[2682],"tags":[2683],"species":[940],"class_list":["post-56627","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-animal-performance"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Copper: Are We Feeding More Than What Is Needed for Dairy Cattle Nutrition? &#8211; Zinpro\u00ae<\/title>\n<meta name=\"description\" content=\"Blog posts from Zinpro\u00ae about Copper: Are We Feeding More Than What Is Needed for Dairy Cattle Nutrition? . 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Daryl Kleinschmit","author_link":"https:\/\/www.zinpro.com\/pl\/resource-center\/author\/drdarylkleinschmit\/"},"uagb_comment_info":2,"uagb_excerpt":"Copper is an essential nutrient required for numerous biological functions, but it\u2019s also possible to have too much of a good thing. 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