Effects of Dietary Forage Source and Amount of Forage Addition on Intake, Milk Yield, and Digestion for Lactating Dairy Cows
Lactating cows were used to determine the effects of increasing forage content from alfalfa (Medicago sativa L.) hay or Tifton 85 bermudagrass (Cynodon sp.) hay on dry matter intake (DMI), milk yield, and nutrient digestion. Forage proportions and neutral detergent fiber (NDF) content of diets were...
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| Veröffentlicht in: | Journal of dairy science 1997-08, Vol.80 (8), p.1656-1665 |
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| creator | West, J.W. Hill, G.M. Gates, R.N. Mullinix, B.G. |
| description | Lactating cows were used to determine the effects of increasing forage content from alfalfa (Medicago sativa L.) hay or Tifton 85 bermudagrass (Cynodon sp.) hay on dry matter intake (DMI), milk yield, and nutrient digestion. Forage proportions and neutral detergent fiber (NDF) content of diets were (dry basis) 1) 45% corn (Zea mays L.) silage (control), 33.5% NDF; 2) 15% bermudagrass hay and 30% corn silage, 39.5% NDF; 3) 30% bermudagrass hay and 15% corn silage, 46.6% NDF; 4) 15% alfalfa hay and 30% corn silage, 35.5% NDF; or 5) 30% alfalfa hay and 15% corn silage, 33.5% NDF. The DMI was greater with alfalfa diets than with bermudagrass diets, with low hay diets than with high hay diets, and with the control diet than with the hay diets. Digestibility of NDF in bermudagrass diets was greater than that in alfalfa diets, in high hay diets than in low hay diets, and in hay diets than in the control diet. In vitro NDF digestion was most rapid for bermudagrass hay, intermediate for corn silage, and slowest for alfalfa hay. Results suggest that NDF from bermudagrass was digested more completely and rapidly than was NDF from corn silage or alfalfa, which improved the rate of passage despite the high NDF content of diets containing bermudagrass. Milk yield followed trends for DMI. The control diet and diets containing alfalfa elicited the greatest DMI and milk yield, but DMI per 100kg of body weight for Holsteins was equal for diets containing either bermudagrass or alfalfa. High quality bermudagrass can be used in rations for lactating dairy cows. |
| doi_str_mv | 10.3168/jds.S0022-0302(97)76097-1 |
| format | Article |
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Forage proportions and neutral detergent fiber (NDF) content of diets were (dry basis) 1) 45% corn (Zea mays L.) silage (control), 33.5% NDF; 2) 15% bermudagrass hay and 30% corn silage, 39.5% NDF; 3) 30% bermudagrass hay and 15% corn silage, 46.6% NDF; 4) 15% alfalfa hay and 30% corn silage, 35.5% NDF; or 5) 30% alfalfa hay and 15% corn silage, 33.5% NDF. The DMI was greater with alfalfa diets than with bermudagrass diets, with low hay diets than with high hay diets, and with the control diet than with the hay diets. Digestibility of NDF in bermudagrass diets was greater than that in alfalfa diets, in high hay diets than in low hay diets, and in hay diets than in the control diet. In vitro NDF digestion was most rapid for bermudagrass hay, intermediate for corn silage, and slowest for alfalfa hay. Results suggest that NDF from bermudagrass was digested more completely and rapidly than was NDF from corn silage or alfalfa, which improved the rate of passage despite the high NDF content of diets containing bermudagrass. Milk yield followed trends for DMI. The control diet and diets containing alfalfa elicited the greatest DMI and milk yield, but DMI per 100kg of body weight for Holsteins was equal for diets containing either bermudagrass or alfalfa. High quality bermudagrass can be used in rations for lactating dairy cows.</description><identifier>ISSN: 0022-0302</identifier><identifier>EISSN: 1525-3198</identifier><identifier>DOI: 10.3168/jds.S0022-0302(97)76097-1</identifier><identifier>PMID: 9276805</identifier><identifier>CODEN: JDSCAE</identifier><language>eng</language><publisher>Savoy, IL: Elsevier Inc</publisher><subject>Animal Feed ; Animal Nutritional Physiological Phenomena ; Animal productions ; Animals ; Biological and medical sciences ; Cattle - physiology ; Dietary Fiber - administration & dosage ; Digestion ; Eating ; Feeding. Feeding behavior ; Female ; forage ; Fundamental and applied biological sciences. Psychology ; Gastrointestinal Transit ; intake ; Lactation ; Medicago sativa ; Milk - chemistry ; Milk Proteins - analysis ; neutral detergent fiber ; Poaceae ; Silage ; Terrestrial animal productions ; Vertebrates ; Vertebrates: anatomy and physiology, studies on body, several organs or systems ; Zea mays</subject><ispartof>Journal of dairy science, 1997-08, Vol.80 (8), p.1656-1665</ispartof><rights>1997 American Dairy Science Association</rights><rights>1997 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c511t-e05539f744cec5970bed736ae3a919f8fb10a8ec9b50aeec437f34bc9b3b34d13</citedby><cites>FETCH-LOGICAL-c511t-e05539f744cec5970bed736ae3a919f8fb10a8ec9b50aeec437f34bc9b3b34d13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.3168/jds.S0022-0302(97)76097-1$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3548,27867,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2779844$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9276805$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>West, J.W.</creatorcontrib><creatorcontrib>Hill, G.M.</creatorcontrib><creatorcontrib>Gates, R.N.</creatorcontrib><creatorcontrib>Mullinix, B.G.</creatorcontrib><title>Effects of Dietary Forage Source and Amount of Forage Addition on Intake, Milk Yield, and Digestion for Lactating Dairy Cows</title><title>Journal of dairy science</title><addtitle>J Dairy Sci</addtitle><description>Lactating cows were used to determine the effects of increasing forage content from alfalfa (Medicago sativa L.) hay or Tifton 85 bermudagrass (Cynodon sp.) hay on dry matter intake (DMI), milk yield, and nutrient digestion. Forage proportions and neutral detergent fiber (NDF) content of diets were (dry basis) 1) 45% corn (Zea mays L.) silage (control), 33.5% NDF; 2) 15% bermudagrass hay and 30% corn silage, 39.5% NDF; 3) 30% bermudagrass hay and 15% corn silage, 46.6% NDF; 4) 15% alfalfa hay and 30% corn silage, 35.5% NDF; or 5) 30% alfalfa hay and 15% corn silage, 33.5% NDF. The DMI was greater with alfalfa diets than with bermudagrass diets, with low hay diets than with high hay diets, and with the control diet than with the hay diets. Digestibility of NDF in bermudagrass diets was greater than that in alfalfa diets, in high hay diets than in low hay diets, and in hay diets than in the control diet. In vitro NDF digestion was most rapid for bermudagrass hay, intermediate for corn silage, and slowest for alfalfa hay. Results suggest that NDF from bermudagrass was digested more completely and rapidly than was NDF from corn silage or alfalfa, which improved the rate of passage despite the high NDF content of diets containing bermudagrass. Milk yield followed trends for DMI. The control diet and diets containing alfalfa elicited the greatest DMI and milk yield, but DMI per 100kg of body weight for Holsteins was equal for diets containing either bermudagrass or alfalfa. High quality bermudagrass can be used in rations for lactating dairy cows.</description><subject>Animal Feed</subject><subject>Animal Nutritional Physiological Phenomena</subject><subject>Animal productions</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cattle - physiology</subject><subject>Dietary Fiber - administration & dosage</subject><subject>Digestion</subject><subject>Eating</subject><subject>Feeding. 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Forage proportions and neutral detergent fiber (NDF) content of diets were (dry basis) 1) 45% corn (Zea mays L.) silage (control), 33.5% NDF; 2) 15% bermudagrass hay and 30% corn silage, 39.5% NDF; 3) 30% bermudagrass hay and 15% corn silage, 46.6% NDF; 4) 15% alfalfa hay and 30% corn silage, 35.5% NDF; or 5) 30% alfalfa hay and 15% corn silage, 33.5% NDF. The DMI was greater with alfalfa diets than with bermudagrass diets, with low hay diets than with high hay diets, and with the control diet than with the hay diets. Digestibility of NDF in bermudagrass diets was greater than that in alfalfa diets, in high hay diets than in low hay diets, and in hay diets than in the control diet. In vitro NDF digestion was most rapid for bermudagrass hay, intermediate for corn silage, and slowest for alfalfa hay. Results suggest that NDF from bermudagrass was digested more completely and rapidly than was NDF from corn silage or alfalfa, which improved the rate of passage despite the high NDF content of diets containing bermudagrass. Milk yield followed trends for DMI. The control diet and diets containing alfalfa elicited the greatest DMI and milk yield, but DMI per 100kg of body weight for Holsteins was equal for diets containing either bermudagrass or alfalfa. High quality bermudagrass can be used in rations for lactating dairy cows.</abstract><cop>Savoy, IL</cop><pub>Elsevier Inc</pub><pmid>9276805</pmid><doi>10.3168/jds.S0022-0302(97)76097-1</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of dairy science, 1997-08, Vol.80 (8), p.1656-1665 |
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| source | MEDLINE; Periodicals Index Online; ScienceDirect Journals (5 years ago - present); EZB-FREE-00999 freely available EZB journals |
| subjects | Animal Feed Animal Nutritional Physiological Phenomena Animal productions Animals Biological and medical sciences Cattle - physiology Dietary Fiber - administration & dosage Digestion Eating Feeding. Feeding behavior Female forage Fundamental and applied biological sciences. Psychology Gastrointestinal Transit intake Lactation Medicago sativa Milk - chemistry Milk Proteins - analysis neutral detergent fiber Poaceae Silage Terrestrial animal productions Vertebrates Vertebrates: anatomy and physiology, studies on body, several organs or systems Zea mays |
| title | Effects of Dietary Forage Source and Amount of Forage Addition on Intake, Milk Yield, and Digestion for Lactating Dairy Cows |
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