{"id":26459,"date":"2026-02-12T09:25:39","date_gmt":"2026-02-12T02:25:39","guid":{"rendered":"https:\/\/www.poultryindonesia.com\/?p=26459"},"modified":"2026-03-04T13:31:37","modified_gmt":"2026-03-04T06:31:37","slug":"si-penyakit-sekunder-yang-diam-diam-menggerogoti-keuntungan-peternak","status":"publish","type":"post","link":"https:\/\/www.poultryindonesia.com\/id\/si-penyakit-sekunder-yang-diam-diam-menggerogoti-keuntungan-peternak\/","title":{"rendered":"Si Penyakit Sekunder yang Diam-Diam Menggerogoti Keuntungan Peternak"},"content":{"rendered":"<div class=\"vc_row wpb_row td-pb-row\"><div class=\"wpb_column vc_column_container td-pb-span12\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h6><strong>Oleh: Dr. drh. Dahliatul Qosimah, drh, Mkes<\/strong><\/h6>\n<h6><em>Fakultas Kedokteran Hewan, Universitas Brawijaya<\/em><\/h6>\n<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bayangkan seorang peternak baru memanen flock-nya. Namun, hasil dari bobot panen di bawah target, FCR membengkak, dan kematian mendadak muncul di minggu ketiga. Saat dibedah, hati dan jantung ayam dilapisi selaput kekuningan dengan tanda khas perkejuan. Diagnosisnya jelas: kolibasilosis.<\/h6>\n<h6><\/h6>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row td-pb-row\"><div class=\"wpb_column vc_column_container td-pb-span6\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<blockquote class=\"instagram-media\" data-instgrm-captioned data-instgrm-permalink=\"https:\/\/www.instagram.com\/reel\/DVczcbRkl_9\/?utm_source=ig_embed&amp;utm_campaign=loading\" data-instgrm-version=\"14\" style=\" background:#FFF; border:0; border-radius:3px; box-shadow:0 0 1px 0 rgba(0,0,0,0.5),0 1px 10px 0 rgba(0,0,0,0.15); margin: 1px; max-width:658px; min-width:326px; padding:0; width:99.375%; width:-webkit-calc(100% - 2px); width:calc(100% - 2px);\">\n<div style=\"padding:16px;\"> <a href=\"https:\/\/www.instagram.com\/reel\/DVczcbRkl_9\/?utm_source=ig_embed&amp;utm_campaign=loading\" style=\" background:#FFFFFF; line-height:0; padding:0 0; text-align:center; text-decoration:none; width:100%;\" target=\"_blank\"> <\/p>\n<div style=\" display: flex; flex-direction: row; align-items: center;\">\n<div style=\"background-color: #F4F4F4; border-radius: 50%; flex-grow: 0; height: 40px; margin-right: 14px; width: 40px;\"><\/div>\n<div style=\"display: flex; flex-direction: column; flex-grow: 1; justify-content: center;\">\n<div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; margin-bottom: 6px; width: 100px;\"><\/div>\n<div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; width: 60px;\"><\/div>\n<\/div>\n<\/div>\n<div style=\"padding: 19% 0;\"><\/div>\n<div style=\"display:block; height:50px; margin:0 auto 12px; width:50px;\"><svg width=\"50px\" height=\"50px\" viewBox=\"0 0 60 60\" version=\"1.1\" xmlns=\"https:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"https:\/\/www.w3.org\/1999\/xlink\"><g stroke=\"none\" stroke-width=\"1\" fill=\"none\" fill-rule=\"evenodd\"><g transform=\"translate(-511.000000, -20.000000)\" fill=\"#000000\"><g><path d=\"M556.869,30.41 C554.814,30.41 553.148,32.076 553.148,34.131 C553.148,36.186 554.814,37.852 556.869,37.852 C558.924,37.852 560.59,36.186 560.59,34.131 C560.59,32.076 558.924,30.41 556.869,30.41 M541,60.657 C535.114,60.657 530.342,55.887 530.342,50 C530.342,44.114 535.114,39.342 541,39.342 C546.887,39.342 551.658,44.114 551.658,50 C551.658,55.887 546.887,60.657 541,60.657 M541,33.886 C532.1,33.886 524.886,41.1 524.886,50 C524.886,58.899 532.1,66.113 541,66.113 C549.9,66.113 557.115,58.899 557.115,50 C557.115,41.1 549.9,33.886 541,33.886 M565.378,62.101 C565.244,65.022 564.756,66.606 564.346,67.663 C563.803,69.06 563.154,70.057 562.106,71.106 C561.058,72.155 560.06,72.803 558.662,73.347 C557.607,73.757 556.021,74.244 553.102,74.378 C549.944,74.521 548.997,74.552 541,74.552 C533.003,74.552 532.056,74.521 528.898,74.378 C525.979,74.244 524.393,73.757 523.338,73.347 C521.94,72.803 520.942,72.155 519.894,71.106 C518.846,70.057 518.197,69.06 517.654,67.663 C517.244,66.606 516.755,65.022 516.623,62.101 C516.479,58.943 516.448,57.996 516.448,50 C516.448,42.003 516.479,41.056 516.623,37.899 C516.755,34.978 517.244,33.391 517.654,32.338 C518.197,30.938 518.846,29.942 519.894,28.894 C520.942,27.846 521.94,27.196 523.338,26.654 C524.393,26.244 525.979,25.756 528.898,25.623 C532.057,25.479 533.004,25.448 541,25.448 C548.997,25.448 549.943,25.479 553.102,25.623 C556.021,25.756 557.607,26.244 558.662,26.654 C560.06,27.196 561.058,27.846 562.106,28.894 C563.154,29.942 563.803,30.938 564.346,32.338 C564.756,33.391 565.244,34.978 565.378,37.899 C565.522,41.056 565.552,42.003 565.552,50 C565.552,57.996 565.522,58.943 565.378,62.101 M570.82,37.631 C570.674,34.438 570.167,32.258 569.425,30.349 C568.659,28.377 567.633,26.702 565.965,25.035 C564.297,23.368 562.623,22.342 560.652,21.575 C558.743,20.834 556.562,20.326 553.369,20.18 C550.169,20.033 549.148,20 541,20 C532.853,20 531.831,20.033 528.631,20.18 C525.438,20.326 523.257,20.834 521.349,21.575 C519.376,22.342 517.703,23.368 516.035,25.035 C514.368,26.702 513.342,28.377 512.574,30.349 C511.834,32.258 511.326,34.438 511.181,37.631 C511.035,40.831 511,41.851 511,50 C511,58.147 511.035,59.17 511.181,62.369 C511.326,65.562 511.834,67.743 512.574,69.651 C513.342,71.625 514.368,73.296 516.035,74.965 C517.703,76.634 519.376,77.658 521.349,78.425 C523.257,79.167 525.438,79.673 528.631,79.82 C531.831,79.965 532.853,80.001 541,80.001 C549.148,80.001 550.169,79.965 553.369,79.82 C556.562,79.673 558.743,79.167 560.652,78.425 C562.623,77.658 564.297,76.634 565.965,74.965 C567.633,73.296 568.659,71.625 569.425,69.651 C570.167,67.743 570.674,65.562 570.82,62.369 C570.966,59.17 571,58.147 571,50 C571,41.851 570.966,40.831 570.82,37.631\"><\/path><\/g><\/g><\/g><\/svg><\/div>\n<div style=\"padding-top: 8px;\">\n<div style=\" color:#3897f0; font-family:Arial,sans-serif; font-size:14px; font-style:normal; font-weight:550; line-height:18px;\">View this post on Instagram<\/div>\n<\/div>\n<div style=\"padding: 12.5% 0;\"><\/div>\n<div style=\"display: flex; flex-direction: row; margin-bottom: 14px; align-items: center;\">\n<div>\n<div style=\"background-color: #F4F4F4; border-radius: 50%; height: 12.5px; width: 12.5px; transform: translateX(0px) translateY(7px);\"><\/div>\n<div style=\"background-color: #F4F4F4; height: 12.5px; transform: rotate(-45deg) translateX(3px) translateY(1px); width: 12.5px; flex-grow: 0; margin-right: 14px; margin-left: 2px;\"><\/div>\n<div style=\"background-color: #F4F4F4; border-radius: 50%; height: 12.5px; width: 12.5px; transform: translateX(9px) translateY(-18px);\"><\/div>\n<\/div>\n<div style=\"margin-left: 8px;\">\n<div style=\" background-color: #F4F4F4; border-radius: 50%; flex-grow: 0; height: 20px; width: 20px;\"><\/div>\n<div style=\" width: 0; height: 0; border-top: 2px solid transparent; border-left: 6px solid #f4f4f4; border-bottom: 2px solid transparent; transform: translateX(16px) translateY(-4px) rotate(30deg)\"><\/div>\n<\/div>\n<div style=\"margin-left: auto;\">\n<div style=\" width: 0px; border-top: 8px solid #F4F4F4; border-right: 8px solid transparent; transform: translateY(16px);\"><\/div>\n<div style=\" background-color: #F4F4F4; flex-grow: 0; height: 12px; width: 16px; transform: translateY(-4px);\"><\/div>\n<div style=\" width: 0; height: 0; border-top: 8px solid #F4F4F4; border-left: 8px solid transparent; transform: translateY(-4px) translateX(8px);\"><\/div>\n<\/div>\n<\/div>\n<div style=\"display: flex; flex-direction: column; flex-grow: 1; justify-content: center; margin-bottom: 24px;\">\n<div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; margin-bottom: 6px; width: 224px;\"><\/div>\n<div style=\" background-color: #F4F4F4; border-radius: 4px; flex-grow: 0; height: 14px; width: 144px;\"><\/div>\n<\/div>\n<p><\/a><\/div>\n<\/blockquote>\n<p><script async src=\"\/\/platform.instagram.com\/en_US\/embeds.js\"><\/script><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container td-pb-span6\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row td-pb-row\"><div class=\"wpb_column vc_column_container td-pb-span12\"><div class=\"vc_column-inner \"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Kisah ini bukan hal baru. Justru karena terlalu sering terjadi, kolibasilosis kerap dianggap penyakit \u201cbiasa\u201d di perunggasan Indonesia. Padahal, penelitian Wibisono dkk. (2018) menunjukkan kerugian ekonomi akibat kolibasilosis mencapai 13,10% dari total aset perunggasan nasional, angka ini sangat signifikan.<\/h6>\n<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Risikonya meningkat tajam di musim hujan. Kelembapan tinggi, litter sulit kering, dan ventilasi terganggu menciptakan kondisi ideal bagi E. coli untuk berkembang dan menyerang. Perlu dipahami, tidak semua E. coli berbahaya. Sebagian hidup normal di usus ayam tanpa menimbulkan gangguan. Namun, sekitar 10\u201315% di antaranya merupakan Avian Pathogenic E. coli (APEC) yang memiliki faktor virulensi sehingga mampu menembus usus, menyebar ke organ vital, dan menyebabkan kerusakan serius (Kathayat et al., 2021).<\/h6>\n<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 APEC paling sering masuk melalui saluran pernapasan. Debu kandang yang mengandung partikel feses terhirup ayam, bakteri masuk ke kantung udara, lalu menyebar ke jantung, hati, dan organ lain hingga menyebabkan koliseptisemia dan kematian cepat. Jalur lain adalah melalui telur tetas terkontaminasi, yang menghasilkan DOC lemah, pusar meradang, pertumbuhan terhambat, dan tingginya kematian dini.<\/h6>\n<h6><strong>Mengapa Kolibasilosis Disebut Penyakit Sekunder?<\/strong><\/h6>\n<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Kolibasilosis sering disebut penyakit sekunder karena APEC jarang menjadi penyerang pertama. Umumnya, infeksi dimulai oleh penyakit lain seperti IB atau Mycoplasma yang lebih dulu merusak pertahanan saluran pernapasan ayam. Kerusakan ini membuka \u201cpintu masuk\u201d bagi E. coli dari lingkungan kandang.<\/h6>\n<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Akibatnya, gejala klinik seperti ngorok dapat berkembang cepat menjadi airsacculitis berat, perkejuan pada hati dan jantung, hingga kematian massal. Karena muncul bersamaan, kasus di lapangan sering membingungkan dan tampak seperti satu penyakit, padahal sebenarnya merupakan infeksi multipel: penyakit primer membuka jalan, kolibasilosis memperparah dampaknya.<\/h6>\n<h6><\/h6>\n<table width=\"614\">\n<tbody>\n<tr>\n<td width=\"614\">\n<h6><strong>PENYAKIT YANG SERING \u201cMENGUNDANG\u201d KOLIBASILOSIS:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong><\/h6>\n<h6>\u25b8\u00a0 Newcastle Disease (ND) \u2014 merusak mukosa saluran napas<\/h6>\n<h6>\u25b8\u00a0 Infectious Bronchitis (IB) \u2014 sasaran utama: saluran napas atas dan oviduk<\/h6>\n<h6>\u25b8\u00a0 Mycoplasmosis (CRD) \u2014 infeksi kronis yang melemahkan pertahanan pernapasan<\/h6>\n<h6>\u25b8\u00a0 Gumboro\/IBD \u2014 menekan sistem imunitas \u00a0(imunosupresi)<\/h6>\n<h6>\u25b8\u00a0 Coccidiosis \u2014 merusak mukosa usus, membuka jalan masuk <em>E. coli<\/em> \u00a0melalui pembuluh darah \u00a0\u00a0dan lanjut ke pencernaan\u00a0 lebih dalam<\/h6>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6><strong>Musim Hujan: Saat Semua Faktor Risiko Datang Bersamaan<\/strong><\/h6>\n<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Musim hujan adalah periode paling rawan terjadinya kolibasilosis. Kelembapan tinggi membuat litter sulit kering, sementara ventilasi tidak mampu membuang uap air secara optimal. Litter basah menjadi pemicu utama. Saat kadar air mencapai 25\u201335%, litter menggumpal dan menjadi tempat ideal bagi E. coli berkembang. Kondisi ini juga mempercepat pelepasan amonia, yang merusak saluran pernapasan ayam dan meningkatkan kejadian dermatitis telapak kaki.<\/h6>\n<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Amonia bekerja sebagai perusak diam-diam. Paparan 15 ppm sudah memicu peradangan saluran napas, sementara 25 ppm menyebabkan pertumbuhan terhambat, FCR memburuk, dan meningkatnya airsacculitis. Kerusakan epitel pernapasan ini membuka jalan bagi E. coli untuk masuk ke kantong udara, aliran darah, dan organ vital. Sedangkan Ventilasi di musim hujan menjadi dilema. Tirai tertutup menahan hujan tetapi menumpuk amonia; tirai terbuka memperbaiki sirkulasi namun membasahi litter. Solusinya adalah pengaturan bukaan sebagian di sisi aman dari tampias, serta menjaga ventilasi minimum, termasuk penggunaan exhaust fan bila memungkinkan.<\/h6>\n<h6><strong><img data-attachment-id=\"26460\" data-permalink=\"https:\/\/www.poultryindonesia.com\/id\/si-penyakit-sekunder-yang-diam-diam-menggerogoti-keuntungan-peternak\/adv-ub-feb26-1\/\" data-orig-file=\"https:\/\/www.poultryindonesia.com\/wp-content\/uploads\/2026\/02\/adv-UB-Feb26-1.jpg\" data-orig-size=\"1654,954\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"adv-UB-Feb26-1\" data-image-description=\"\" data-medium-file=\"https:\/\/www.poultryindonesia.com\/wp-content\/uploads\/2026\/02\/adv-UB-Feb26-1.jpg\" data-large-file=\"https:\/\/www.poultryindonesia.com\/wp-content\/uploads\/2026\/02\/adv-UB-Feb26-1.jpg\" loading=\"lazy\" class=\"alignnone size-full wp-image-26460\" src=\"https:\/\/www.poultryindonesia.com\/wp-content\/uploads\/2026\/02\/adv-UB-Feb26-1.jpg\" alt=\"\" width=\"1654\" height=\"954\" \/>Gambar 2. Faktor Risiko Kolibasilosis di Musim Hujan<\/strong><\/h6>\n<h6><strong>\u00a0<\/strong><\/h6>\n<h6><strong>Antibiotik Makin Tidak Mempan: Alarm Serius<\/strong><\/h6>\n<h6>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Banyak antibiotik yang selama ini digunakan untuk kolibasilosis kini kehilangan efektivitas akibat <strong>resistensi antimikroba (AMR)<\/strong>. Studi di Indonesia menunjukkan lebih dari <strong>50% isolat E. coli broiler resisten terhadap tetrasiklin dan siprofloksasin<\/strong>, dan sekitar <strong>25% sudah tergolong MDR<\/strong> (kebal \u22653 golongan antibiotik). Penyebab utamanya adalah penggunaan antibiotik tanpa diagnosis, tanpa uji sensitivitas, serta dosis dan frekuensi yang tidak rasional. Antibiotik yang diberikan rutin pada ayam sehat justru \u201cmelatih\u201d bakteri menjadi kebal, dan risikonya tidak hanya bagi kesehatan ayam, tetapi juga <strong>ancaman bagi kesehatan manusia melalui rantai pangan<\/strong>.<\/h6>\n<h6><strong>Lalu, Apa yang Harus Dilakukan?<\/strong><\/h6>\n<h6>Kolibasilosis <strong>bisa dicegah<\/strong>, dan pencegahan jauh lebih murah daripada pengobatan. Berikut langkah kunci yang perlu diterapkan:<\/h6>\n<ol>\n<li>\n<h6>Jaga Litter Tetap Kering : Litter kering adalah faktor terpenting. Gunakan bahan berdaya serap tinggi (sekam padi kering atau serutan kayu), jaga ketebalan 5\u201310 cm, balik secara rutin, segera ganti area basah terutama di sekitar tempat minum, dan pastikan nipple drinker tidak bocor.<\/h6>\n<\/li>\n<li>\n<h6>Atur Ventilasi dengan Baik : Hindari udara diam di kandang. Pada kandang terbuka, buka tirai secara asimetris di sisi yang aman dari hujan. Pada closed house, pastikan exhaust fan dan ventilasi minimum berfungsi. Target ideal: RH &lt;70% dan amonia &lt;25 ppm.<\/h6>\n<\/li>\n<li>\n<h6>Perkuat Biosekuriti : E. coli ada di lingkungan kandang, tetapi populasinya dapat ditekan. Lakukan desinfeksi dan pengeringan kandang antar siklus produksi, serta kendalikan vektor seperti tikus, lalat, kecoak, dan burung liar.<\/h6>\n<\/li>\n<li>\n<h6>Vaksinasi Tepat Waktu : Karena kolibasilosis sering bersifat sekunder, cegah penyakit primer. Pastikan vaksinasi ND, IB, dan Mycoplasma sesuai jadwal. Hindari vaksinasi saat kondisi lingkungan buruk. Vaksin APEC dapat dipertimbangkan sebagai tambahan.<\/h6>\n<\/li>\n<li>\n<h6>Gunakan Antibiotik Secara Bijak : Antibiotik bukan untuk pencegahan rutin. Jika pengobatan diperlukan, lakukan uji sensitivitas. Alternatif non-antibiotik seperti probiotik, asam organik, dan fitobiotik dapat membantu menekan E. coli tanpa risiko resistensi.<\/h6>\n<\/li>\n<\/ol>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"Oleh: Dr. drh. Dahliatul Qosimah, drh, Mkes Fakultas Kedokteran Hewan, Universitas Brawijaya \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bayangkan seorang peternak baru memanen flock-nya. Namun, hasil dari bobot panen di bawah target, FCR membengkak, dan kematian mendadak muncul di minggu ketiga. Saat dibedah, hati dan jantung ayam dilapisi selaput kekuningan dengan tanda khas perkejuan. Diagnosisnya jelas: kolibasilosis. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Kisah ini [...]","protected":false},"author":4,"featured_media":26461,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"cybocfi_hide_featured_image":"","spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[19],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\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.poultryindonesia.com\/id\/si-penyakit-sekunder-yang-diam-diam-menggerogoti-keuntungan-peternak\/\" \/>\n<meta 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