{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,25]],"date-time":"2026-01-25T22:37:21Z","timestamp":1769380641499,"version":"3.49.0"},"reference-count":24,"publisher":"Cambridge University Press (CUP)","issue":"1","license":[{"start":{"date-parts":[[2018,10,24]],"date-time":"2018-10-24T00:00:00Z","timestamp":1540339200000},"content-version":"unspecified","delay-in-days":15090,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Br J Nutr"],"published-print":{"date-parts":[[1977,7]]},"abstract":"<jats:p><jats:list list-type=\"number\"><jats:list-item><jats:label>1.<\/jats:label><jats:p>There was little difference in digestive (voluntary food intake, dry matter digestibility and nitrogen balance) and blood measurements (venous concentrations of corticosteroids, serum aspartate aminotransferase (<jats:italic>EC<\/jats:italic>2.6.1.1), protein-bound iodine, urea and glucose) of intact sheep (eight animals) and of sheep prepared with rumen cannulas (sixteen animals) and subsequently with either simple 'T-shaped' (eight animals) or re-entrant cannulas (eight animals) at the duodenum and ileum, when fed<jats:italic>ad lib.<\/jats:italic>a chopped, medium-quality-hay ration.<\/jats:p><\/jats:list-item><jats:list-item><jats:label>2.<\/jats:label><jats:p>Wool growth rates of the intact sheep were similar to those in sheep with rumen cannulas and with rumen cannulas plus simple 'T-shaped' cannulas, but higher (P &lt; 0-01) than those with rumen cannulas plus re-entrant cannulas.<\/jats:p><\/jats:list-item><jats:list-item><jats:label>3.<\/jats:label><jats:p>When the sheep were subsequently given a restricted intake (800 g\/d) of dried grass, retention times of solid- and liquid-phase digesta markers in the rumen and caecum were similar in all sheep.<\/jats:p><\/jats:list-item><jats:list-item><jats:label>4.<\/jats:label><jats:p>The use of the different preparations in digestive physiology studies is discussed.<\/jats:p><\/jats:list-item><\/jats:list><\/jats:p>","DOI":"10.1079\/bjn19770062","type":"journal-article","created":{"date-parts":[[2005,5,24]],"date-time":"2005-05-24T23:20:35Z","timestamp":1116976835000},"page":"65-71","source":"Crossref","is-referenced-by-count":21,"title":["The effects of various forms of gastrointestinal cannulation on digestive measurements in sheep"],"prefix":"10.1017","volume":"38","author":[{"given":"J. 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