{"id":164,"date":"2017-07-04T00:00:00","date_gmt":"2017-07-04T03:00:00","guid":{"rendered":""},"modified":"2024-06-04T14:33:26","modified_gmt":"2024-06-04T17:33:26","slug":"descida-do-leite-em-vacas-azebuadas","status":"publish","type":"post","link":"https:\/\/www.jasaudeanimal.com.br\/blog\/descida-do-leite-em-vacas-azebuadas","title":{"rendered":"Descida do leite em vacas azebuadas"},"content":{"rendered":"
\n

O horm\u00f4nio respons\u00e1vel pela eje\u00e7\u00e3o do leite \u00e9 a ocitocina e a libera\u00e7\u00e3o deste horm\u00f4nio normalmente ocorre como uma onda entre 1-2 minutos ap\u00f3s o in\u00edcio do reflexo de estimula\u00e7\u00e3o t\u00e1til ou ambiental (LOLLIVER et al. 2002). As vacas azebuadas, que s\u00e3o mais dependentes de est\u00edmulos t\u00e1teis e ambientais, na maioria das vezes, necessitam de ter o bezerro ao p\u00e9 para a libera\u00e7\u00e3o desse horm\u00f4nio.<\/p>\n

Obviamente existe menor depend\u00eancia das vacas taurinas quanto ao reflexo \u00e0 eje\u00e7\u00e3o do leite quando comparado \u00e0s ra\u00e7as zebu\u00ednas, isso pode ser explicado pela intensa sele\u00e7\u00e3o gen\u00e9tica para a produ\u00e7\u00e3o de leite que vem ocorrendo nas taurinas a v\u00e1rias gera\u00e7\u00f5es (TANCIN, BRUCKMAIER, 2001).<\/p>\n

A retirada artificial do leite atrav\u00e9s de ordenhadeiras mec\u00e2nicas ou at\u00e9 mesmo pela m\u00e3o de ordenhadores estranhos ainda n\u00e3o \u00e9 muito bem aceita em vacas zebu\u00ednas. As condi\u00e7\u00f5es adversas de ordenha (remo\u00e7\u00e3o do bezerro durante a ordenha, amamenta\u00e7\u00e3o de bezerro estranho, ordenha de vacas sem a presen\u00e7a do pr\u00f3prio bezerro, local de ordenha desconhecido) afetam diretamente a eje\u00e7\u00e3o do leite (TANCIN, BRUCKMAIER, 2001).<\/p>\n

O grande problema \u00e9 que a presen\u00e7a do bezerro na sala de ordenha requer mais m\u00e3o-de-obra e instala\u00e7\u00f5es adequadas, o que acaba onerando o sistema de produ\u00e7\u00e3o. Na tentativa de minimizar estes inconvenientes, tem-se adotado a aplica\u00e7\u00e3o de ocitocina ex\u00f3gena para estimular a eje\u00e7\u00e3o do leite sem a necessidade da presen\u00e7a do bezerro durante a ordenha mec\u00e2nica (LINHARES, 2012).<\/p>\n

Essa ocitocina ex\u00f3gena sint\u00e9tica possui as mesmas propriedades qu\u00edmicas e farmacol\u00f3gicas do horm\u00f4nio natural (LINHARES, 2012), promovendo a eje\u00e7\u00e3o de todo o leite da gl\u00e2ndula mam\u00e1ria do animal, inclusive do leite residual.  A quantidade de leite residual representa cerca de 15% do total de leite presente no \u00fabere, sendo que essa fra\u00e7\u00e3o s\u00f3 pode ser recuperada pela administra\u00e7\u00e3o ex\u00f3gena de ocitocina (SILANO; SANTOS, 2012).<\/p>\n

A J.A Sa\u00fade Animal apresenta a Lactocina, medicamento a base de ocitocina sint\u00e9tica de alta efic\u00e1cia, indicada na descida do leite, indu\u00e7\u00e3o das contra\u00e7\u00f5es uterinas, aux\u00edlio na expuls\u00e3o da placenta, al\u00e9m de ser coadjuvante no tratamento de mastites.<\/p>\n

Autores: M. V. Eduardo Henrique de Castro Rezende<\/p>\n

Prof. Dr. Jos\u00e9 Abdo de Andrade Hellu<\/p>\n

Refer\u00eancias:<\/p>\n

LINHARES, L. P.. OCITOCINA EX\u00d3GENA E LEITE RESIDUAL. <\/strong>2012. 50 f. Disserta\u00e7\u00e3o (Mestrado) \u2013 Curso de Magister Scientiae, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2012.<\/p>\n

LOLLIVIER,V.; FLAMENT, J.G.; BOUSQUET, M.O.; MARNET, P.G. Oxytocin and removal: two important sources of variation in milk production and milk quality during and between milkings. Reproduction Nutrition Development, v. 42, p.173-186, 2002.<\/p>\n

SILANO, C.; SANTOS, M. V. Leite residual p\u00f3s-ordenha e ocorr\u00eancia de mastite. <\/strong>Dispon\u00edvel em: <https:\/\/www.milkpoint.com.br\/mypoint\/6239\/p_leite_residual_posordenha_e_ocorrencia_de_mastite_mastite_leite_residual_4058.aspx>. Acesso em: 11 jan. 2012.<\/p>\n

TANCIN, V.; BRUCKMAIER, R.M. Factors affecting milk ejection and removal during milking and suckling of dairy cows. Veterinary Medicine \u2013 Czech v.46, n.4, p.108-118, 2001.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

O horm\u00f4nio respons\u00e1vel pela eje\u00e7\u00e3o do leite \u00e9 a ocitocina e a libera\u00e7\u00e3o deste horm\u00f4nio normalmente ocorre como uma onda entre 1-2 minutos ap\u00f3s o in\u00edcio do reflexo de estimula\u00e7\u00e3o t\u00e1til ou ambiental (LOLLIVER et al. 2002).<\/p>\n","protected":false},"author":1,"featured_media":262,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"\nDescida do leite em vacas azebuadas - JA Sa\u00fade Animal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jasaudeanimal.com.br\/blog\/descida-do-leite-em-vacas-azebuadas\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Descida do leite em vacas azebuadas - JA Sa\u00fade Animal\" \/>\n<meta property=\"og:description\" content=\"O horm\u00f4nio respons\u00e1vel pela eje\u00e7\u00e3o do leite \u00e9 a ocitocina e a libera\u00e7\u00e3o deste horm\u00f4nio normalmente ocorre como uma onda entre 1-2 minutos ap\u00f3s o in\u00edcio do reflexo de estimula\u00e7\u00e3o t\u00e1til ou ambiental (LOLLIVER et al. 2002).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.jasaudeanimal.com.br\/blog\/descida-do-leite-em-vacas-azebuadas\" \/>\n<meta property=\"og:site_name\" content=\"JA Sa\u00fade Animal\" \/>\n<meta property=\"article:published_time\" content=\"2017-07-04T03:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-04T17:33:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.jasaudeanimal.com.br\/blog\/wp-content\/uploads\/2017\/07\/Descida-do-leite-em-vacas-azebuadas.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"404\" \/>\n\t<meta property=\"og:image:height\" content=\"233\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"jasaudeanimal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"jasaudeanimal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.jasaudeanimal.com.br\/blog\/descida-do-leite-em-vacas-azebuadas#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.jasaudeanimal.com.br\/blog\/descida-do-leite-em-vacas-azebuadas\"},\"author\":{\"name\":\"jasaudeanimal\",\"@id\":\"https:\/\/www.jasaudeanimal.com.br\/blog\/#\/schema\/person\/46fc6f54cf96c84e66147d201dd93221\"},\"headline\":\"Descida do leite em vacas azebuadas\",\"datePublished\":\"2017-07-04T03:00:00+00:00\",\"dateModified\":\"2024-06-04T17:33:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.jasaudeanimal.com.br\/blog\/descida-do-leite-em-vacas-azebuadas\"},\"wordCount\":538,\"publisher\":{\"@id\":\"https:\/\/www.jasaudeanimal.com.br\/blog\/#organization\"},\"articleSection\":[\"Blog JA\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.jasaudeanimal.com.br\/blog\/descida-do-leite-em-vacas-azebuadas\",\"url\":\"https:\/\/www.jasaudeanimal.com.br\/blog\/descida-do-leite-em-vacas-azebuadas\",\"name\":\"Descida do leite em vacas azebuadas - 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