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Five non\u2010lactating ruminally cannulated goats fed ad\u00a0libitum were randomly assigned to a 5\u00a0\u00d7\u00a05 Latin square design. Treatments consisted of levels of<jats:styled-content style=\"fixed-case\">fNDF<\/jats:styled-content>at 0, 109, 222, 339 and 463\u00a0g\/kg of dry matter (<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>) in cactus pear\u2010based diets. The intakes of<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>and<jats:styled-content style=\"fixed-case\">NDF<\/jats:styled-content>were quadratically affected (<jats:italic>p<\/jats:italic>\u00a0\u2266\u00a0.045) by<jats:styled-content style=\"fixed-case\">fNDF<\/jats:styled-content>levels. Voluntary water intake (<jats:styled-content style=\"fixed-case\">VWI<\/jats:styled-content>) increased linearly as the<jats:styled-content style=\"fixed-case\">fNDF<\/jats:styled-content>levels increased in the diet.\u00a0The digestibility coefficients of organic matter,<jats:styled-content style=\"fixed-case\">NDF<\/jats:styled-content>and ether extract and total digestible nutrients concentration were quadratically affected (<jats:italic>p<\/jats:italic>\u00a0\u2266\u00a0.048) by<jats:styled-content style=\"fixed-case\">fNDF<\/jats:styled-content>levels. The ruminal<jats:styled-content style=\"fixed-case\">pH<\/jats:styled-content>linearly increased (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.001) with<jats:styled-content style=\"fixed-case\">fNDF<\/jats:styled-content>levels, ranging from 5.44 to 5.81 for diets containing 0 and 463\u00a0g<jats:styled-content style=\"fixed-case\">fNDF<\/jats:styled-content>\/kg<jats:styled-content style=\"fixed-case\">DM<\/jats:styled-content>, respectively. The<jats:styled-content style=\"fixed-case\">fNDF<\/jats:styled-content>levels promoted a linear increase (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.006) in chewing time, linearly decreased (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.007) resting time and quadratically affected (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.033) rumination time. The inclusion of<jats:styled-content style=\"fixed-case\">fNDF<\/jats:styled-content>in the diets provided favorable conditions for ruminal function, digestibility and feeding behavior in goats fed diets containing cactus pear.<\/jats:p>","DOI":"10.1111\/asj.13043","type":"journal-article","created":{"date-parts":[[2018,7,23]],"date-time":"2018-07-23T08:13:33Z","timestamp":1532333613000},"page":"1424-1431","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":35,"title":["Does the level of forage neutral detergent fiber affect the ruminal fermentation, digestibility and feeding behavior of goats fed cactus pear?"],"prefix":"10.1111","volume":"89","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2816-1610","authenticated-orcid":false,"given":"Ricardo Martins Araujo","family":"Pinho","sequence":"first","affiliation":[{"name":"Departamento de Zootecnia Universidade Federal da Para\u00edba Areia PB Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edson Mauro","family":"Santos","sequence":"additional","affiliation":[{"name":"Departamento de Zootecnia Universidade Federal da Para\u00edba Areia PB Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juliana Silva","family":"de Oliveira","sequence":"additional","affiliation":[{"name":"Departamento de Zootecnia Universidade Federal da Para\u00edba Areia PB Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4108-6782","authenticated-orcid":false,"given":"Gleidson Giordano Pinto","family":"de Carvalho","sequence":"additional","affiliation":[{"name":"Departamento de Zootecnia Universidade Federal da Bahia Salvador BA Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thiago Carvalho","family":"da Silva","sequence":"additional","affiliation":[{"name":"Departamento de Zootecnia Universidade Federal de Goi\u00e1s Goi\u00e2nia GO Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2789-0221","authenticated-orcid":false,"given":"Alberto Jefferson da Silva","family":"Mac\u00eado","sequence":"additional","affiliation":[{"name":"Departamento de Zootecnia Universidade Federal da Para\u00edba Areia PB Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yohana Rosaly","family":"Corr\u00eaa","sequence":"additional","affiliation":[{"name":"Departamento de Zootecnia Universidade Federal da Para\u00edba Areia PB Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0100-3652","authenticated-orcid":false,"given":"Anderson de Moura","family":"Zanine","sequence":"additional","affiliation":[{"name":"Departamento de Zootecnia Universidade Federal do Maranh\u00e3o Chapadinha MA Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,7,23]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.smallrumres.2011.03.023"},{"key":"e_1_2_7_3_1","volume-title":"Official methods of analysis","author":"AOAC","year":"1990"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1079\/BJN19610047"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.smallrumres.2008.03.008"},{"key":"e_1_2_7_6_1","volume-title":"Nutri\u00e7\u00e3o de Ruminantes","author":"Berchielli T. 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