{"id":11030,"date":"2026-06-10T14:54:24","date_gmt":"2026-06-10T19:54:24","guid":{"rendered":"https:\/\/pharmgate.com\/usa\/?page_id=11030"},"modified":"2026-06-10T14:55:22","modified_gmt":"2026-06-10T19:55:22","slug":"chlortetracycline-ctc-dosing-calculator","status":"publish","type":"page","link":"https:\/\/pharmgate.com\/usa\/chlortetracycline-ctc-dosing-calculator\/","title":{"rendered":"Chlortetracycline (CTC) Dosing Calculator"},"content":{"rendered":"        <div class=\"pharmgate-calculator\" id=\"ctc-calculator\">\n            <div class=\"pharmgate-calculator__header\">\n                <h1 class=\"entry-title\">Chlortetracycline (CTC) Dosing Calculator<\/h1>\n                <div class=\"entry-description\"><p>Getting CTC dosing right doesn't have to be complicated. This calculator translates pig weight and feed intake into clear dosing guidance, helping you determine inclusion rates and product needs for finishing pigs, gestation, or lactation. Select pig type and enter details to calculate dosing requirements.<\/p><\/div>\n            <\/div>\n            \n            <!-- Input Form -->\n            <div class=\"pharmgate-input-form\">\n                <!-- Pig Type Selection -->\n                <div class=\"ctc-pig-type-selector\">\n                    <button type=\"button\" class=\"ctc-pig-type-btn active\" data-type=\"lactation\">Lactation<\/button>\n                    <button type=\"button\" class=\"ctc-pig-type-btn\" data-type=\"gestation\">Gestation<\/button>\n                    <button type=\"button\" class=\"ctc-pig-type-btn\" data-type=\"finishing\">Finishing Pigs<\/button>\n                <\/div>\n\n                <div class=\"ctc-pig-type-notice\"><strong>Rates are to target 10 mg\/lb of bodyweight\/day. Feed for not more than 14 days.<\/strong><\/div>\n\n                <div class=\"pharmgate-input-row ctc-inputs-grid\" id=\"ctc-main-inputs\">\n                    <!-- Product selector (Lactation & Gestation only) -->\n                    <div class=\"pharmgate-calculator__input-group\" id=\"ctc-product-group\">\n                        <label for=\"ctc-product\">Product<\/label>\n                        <select id=\"ctc-product\">\n                            <option value=\"\">Select Product<\/option>\n                            <option value=\"pennchlor\">Pennchlor&reg;<\/option>\n                            <option value=\"deracin\">Deracin&trade;<\/option>\n                        <\/select>\n                    <\/div>\n\n                    <div class=\"pharmgate-calculator__input-group\">\n                        <label for=\"pig-weight\">Weight (lbs)<\/label>\n                        <input type=\"number\" id=\"pig-weight\" min=\"0\" step=\"0.1\" placeholder=\"Enter weight\">\n                        <span class=\"pharmgate-input-hint\" id=\"weight-hint\">Between 250-1000 lbs<\/span>\n                        <span class=\"pharmgate-error-message\" id=\"weight-error\"><\/span>\n                    <\/div>\n\n                    <div class=\"pharmgate-calculator__input-group\">\n                        <label for=\"feed-intake\">Feed Intake (lb\/day)<\/label>\n                        <input type=\"number\" id=\"feed-intake\" min=\"0\" step=\"0.01\" placeholder=\"Enter feed intake\">\n                        <span class=\"pharmgate-input-hint\" id=\"feed-intake-hint\" style=\"display:none;\">Minimum of 4.5 lb\/day for Pennchlor&reg;<\/span>\n                        <span class=\"pharmgate-error-message\" id=\"feed-intake-error\"><\/span>\n                    <\/div>\n\n                    <div class=\"pharmgate-calculator__input-group\">\n                        <label for=\"days\">Days<\/label>\n                        <select id=\"days\">\n                            <option value=\"\">Select days<\/option>\n                                                            <option value=\"1\">1<\/option>\n                                                            <option value=\"2\">2<\/option>\n                                                            <option value=\"3\">3<\/option>\n                                                            <option value=\"4\">4<\/option>\n                                                            <option value=\"5\">5<\/option>\n                                                            <option value=\"6\">6<\/option>\n                                                            <option value=\"7\">7<\/option>\n                                                            <option value=\"8\">8<\/option>\n                                                            <option value=\"9\">9<\/option>\n                                                            <option value=\"10\">10<\/option>\n                                                            <option value=\"11\">11<\/option>\n                                                            <option value=\"12\">12<\/option>\n                                                            <option value=\"13\">13<\/option>\n                                                            <option value=\"14\">14<\/option>\n                                                    <\/select>\n                        <span class=\"pharmgate-error-message\" id=\"days-error\"><\/span>\n                    <\/div>\n                <\/div>\n            <\/div>\n            \n            <div class=\"pharmgate-calculator__results-section\">\n                <div id=\"calculation-results\"><\/div>\n            <\/div>\n            \n            <div class=\"pharmgate-disclaimer -border\">\n                <p><a href=\"\/usa\/tools-and-resources\/product-labels\/\" class=\"ctc-disclaimer-link\">Click here<\/a> for product labels<\/p>\n                <p><strong>WARNING: ZERO-DAY WITHDRAWAL PERIOD.<\/strong><\/p>\n                <p><strong>CAUTION:<\/strong> Federal law restricts medicated feed containing this veterinary feed directive (VFD) drug to use by or on the order of a licensed veterinarian.<\/p>\n                <p><strong>QUESTIONS \/ COMMENTS?<\/strong> For technical assistance or to obtain a Safety Data Sheet(s), contact Pharmgate Animal Health LLC at 1-800-380-6099 or <a href=\"https:\/\/www.pharmgate.com\" target=\"_blank\">www.pharmgate.com<\/a>.<\/p>\n                <p>To report side effects, contact Pharmgate Animal Health LLC at 1-833-531-0114.<\/p>\n                <p>For additional information about reporting side effects for animal drugs, contact FDA at 1-888-FDA-VETS or <a href=\"http:\/\/www.fda.gov\/reportanimalae\" target=\"_blank\">http:\/\/www.fda.gov\/reportanimalae<\/a><\/p>\n                <p class=\"pharmgate-disclaimer-footer\">&copy; 2026 Pharmgate Animal Health LLC. Pennchlor\u00ae is a registered trademark of Pharmgate Inc. Deracin&trade; is a trademark of Pharmgate Inc. 2008-0126<\/p>\n            <\/div>\n        <\/div>\n        \n","protected":false},"excerpt":{"rendered":"","protected":false},"author":12,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/fullwidthpage.php","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"8477,10787,10994,10872,9488,3972","_relevanssi_noindex_reason":"","footnotes":""},"country":[],"producttype":[],"species":[],"class_list":["post-11030","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chlortetracycline (CTC) Dosing Calculator - 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