Corn Silage Hybrid Effects on Intake, Digestion, and Milk Production by Dairy Cows
Three corn hybrids harvested as whole-plant silage were evaluated in three separate feeding trials with lactating dairy cows. In trial 1, 24 multiparous Holstein cows were used in a replicated 4 x 4 Latin square with 28-d periods. Treatments were conventional (Pioneer 3563) and leafy (Mycogen TMF 10...
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| Veröffentlicht in: | Journal of dairy science 2000-12, Vol.83 (12), p.2849-2858 |
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| creator | Bal, M.A. Shaver, R.D. Al-Jobeile, H. Coors, J.G. Lauer, J.G. |
| description | Three corn hybrids harvested as whole-plant silage were evaluated in three separate feeding trials with lactating dairy cows. In trial 1, 24 multiparous Holstein cows were used in a replicated 4 x 4 Latin square with 28-d periods. Treatments were conventional (Pioneer 3563) and leafy (Mycogen TMF 106) corn silage hybrids, each planted at low (59,000 plants/ha) and high (79,000 plants/ha) plant populations. There were no milk production differences between treatments. Total-tract digestibility of dietary starch was higher for leafy compared with conventional corn hybrids. In trial 2, 26 multiparous Holstein cows were assigned randomly to diets containing either conventional (48% forage diet) or brown-midrib (60% forage diet) corn silage in a crossover design with 8-wk periods. Milk yield was lower, but milk fat percentage and yield were higher, for the high-forage diet containing brown-midrib corn silage. In trial 3, 24 multiparous Holstein cows were used in a replicated 4×4 Latin square with 28-d periods. Treatments were corn silage at two concentrations of neutral detergent fiber (Garst 8751, 39.2% NDF; Cargill 3677, 32.8% NDF) each fed in normal- (53% of dry matter) and high- (61 to 67% of dry matter) forage diets. Milk production was not different between corn hybrids. Increased concentrate supplementation increased DMI and milk production. There were minimal benefits to the feeding of leafy or low-fiber corn silage hybrids. Feeding brown-midrib corn silage in a high-forage diet increased milk fat percentage and yield compared with conventional corn silage fed in a normal-forage diet. |
| doi_str_mv | 10.3168/jds.S0022-0302(00)75185-X |
| format | Article |
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In trial 1, 24 multiparous Holstein cows were used in a replicated 4 x 4 Latin square with 28-d periods. Treatments were conventional (Pioneer 3563) and leafy (Mycogen TMF 106) corn silage hybrids, each planted at low (59,000 plants/ha) and high (79,000 plants/ha) plant populations. There were no milk production differences between treatments. Total-tract digestibility of dietary starch was higher for leafy compared with conventional corn hybrids. In trial 2, 26 multiparous Holstein cows were assigned randomly to diets containing either conventional (48% forage diet) or brown-midrib (60% forage diet) corn silage in a crossover design with 8-wk periods. Milk yield was lower, but milk fat percentage and yield were higher, for the high-forage diet containing brown-midrib corn silage. In trial 3, 24 multiparous Holstein cows were used in a replicated 4×4 Latin square with 28-d periods. Treatments were corn silage at two concentrations of neutral detergent fiber (Garst 8751, 39.2% NDF; Cargill 3677, 32.8% NDF) each fed in normal- (53% of dry matter) and high- (61 to 67% of dry matter) forage diets. Milk production was not different between corn hybrids. Increased concentrate supplementation increased DMI and milk production. There were minimal benefits to the feeding of leafy or low-fiber corn silage hybrids. Feeding brown-midrib corn silage in a high-forage diet increased milk fat percentage and yield compared with conventional corn silage fed in a normal-forage diet.</description><identifier>ISSN: 0022-0302</identifier><identifier>EISSN: 1525-3198</identifier><identifier>DOI: 10.3168/jds.S0022-0302(00)75185-X</identifier><identifier>PMID: 11132857</identifier><identifier>CODEN: JDSCAE</identifier><language>eng</language><publisher>Savoy, IL: Elsevier Inc</publisher><subject>Animal productions ; Animals ; Biological and medical sciences ; Cattle - physiology ; Chimera ; corn silage ; Digestion ; Eating ; Female ; Fundamental and applied biological sciences. 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In trial 1, 24 multiparous Holstein cows were used in a replicated 4 x 4 Latin square with 28-d periods. Treatments were conventional (Pioneer 3563) and leafy (Mycogen TMF 106) corn silage hybrids, each planted at low (59,000 plants/ha) and high (79,000 plants/ha) plant populations. There were no milk production differences between treatments. Total-tract digestibility of dietary starch was higher for leafy compared with conventional corn hybrids. In trial 2, 26 multiparous Holstein cows were assigned randomly to diets containing either conventional (48% forage diet) or brown-midrib (60% forage diet) corn silage in a crossover design with 8-wk periods. Milk yield was lower, but milk fat percentage and yield were higher, for the high-forage diet containing brown-midrib corn silage. In trial 3, 24 multiparous Holstein cows were used in a replicated 4×4 Latin square with 28-d periods. Treatments were corn silage at two concentrations of neutral detergent fiber (Garst 8751, 39.2% NDF; Cargill 3677, 32.8% NDF) each fed in normal- (53% of dry matter) and high- (61 to 67% of dry matter) forage diets. Milk production was not different between corn hybrids. Increased concentrate supplementation increased DMI and milk production. There were minimal benefits to the feeding of leafy or low-fiber corn silage hybrids. Feeding brown-midrib corn silage in a high-forage diet increased milk fat percentage and yield compared with conventional corn silage fed in a normal-forage diet.</description><subject>Animal productions</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cattle - physiology</subject><subject>Chimera</subject><subject>corn silage</subject><subject>Digestion</subject><subject>Eating</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>intake</subject><subject>Lactation</subject><subject>Milk - chemistry</subject><subject>milk production</subject><subject>Silage</subject><subject>Terrestrial animal productions</subject><subject>Time Factors</subject><subject>Vertebrates</subject><subject>Zea mays - chemistry</subject><issn>0022-0302</issn><issn>1525-3198</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>K30</sourceid><recordid>eNqNkF1rFDEUhoModlv9CxIRWoVOzeckuZRptYWKYhV6FzJJZpvt7KQmM5b992a6SxWvvAonPO85Lw8ArzE6obiW71cun1whREiFKCJvEXonOJa8un4CFpgTXlGs5FOweET2wH7OqzJigvhzsIcxpkRysQDfmpgGeBV6s_TwfNOm4OBZ13k7ZhgHeDGM5tYfw9Ow9HkMcTiGZnDwc-hv4dcU3WTnT9hu4KkJaQObeJ9fgGed6bN_uXsPwI-PZ9-b8-ryy6eL5sNlZTkmY4W5xYJ55jmTtaild4pTW3PHWc0VJYQRqpCxvHNUYOoI69rWd4YJx2zdEXoADrd771L8OZV6eh2y9X1vBh-nrAXhhAgqC_jmH3AVpzSUbhpLIZBiXMyU2lI2xZyT7_RdCmuTNhojPWvXRbt-0K5npxoh_aBdX5fsq92FqV179ye58_xXBZOt6btkBhvyI6coVzUv1NGWugnLm_uQvM5r0_dlKZ6PS6ox0UQyVchmS_oi-FfwSWcb_GC9Kyk7ahfDf9T-DT1ErD8</recordid><startdate>20001201</startdate><enddate>20001201</enddate><creator>Bal, M.A.</creator><creator>Shaver, R.D.</creator><creator>Al-Jobeile, H.</creator><creator>Coors, J.G.</creator><creator>Lauer, J.G.</creator><general>Elsevier Inc</general><general>Am Dairy Sci Assoc</general><general>American Dairy Science Association</general><scope>6I.</scope><scope>AAFTH</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7WH</scope><scope>K30</scope><scope>PAAUG</scope><scope>PAWHS</scope><scope>PAWZZ</scope><scope>PAXOH</scope><scope>PBHAV</scope><scope>PBQSW</scope><scope>PBYQZ</scope><scope>PCIWU</scope><scope>PCMID</scope><scope>PCZJX</scope><scope>PDGRG</scope><scope>PDWWI</scope><scope>PETMR</scope><scope>PFVGT</scope><scope>PGXDX</scope><scope>PIHIL</scope><scope>PISVA</scope><scope>PJCTQ</scope><scope>PJTMS</scope><scope>PLCHJ</scope><scope>PMHAD</scope><scope>PNQDJ</scope><scope>POUND</scope><scope>PPLAD</scope><scope>PQAPC</scope><scope>PQCAN</scope><scope>PQCMW</scope><scope>PQEME</scope><scope>PQHKH</scope><scope>PQMID</scope><scope>PQNCT</scope><scope>PQNET</scope><scope>PQSCT</scope><scope>PQSET</scope><scope>PSVJG</scope><scope>PVMQY</scope><scope>PZGFC</scope><scope>7X8</scope></search><sort><creationdate>20001201</creationdate><title>Corn Silage Hybrid Effects on Intake, Digestion, and Milk Production by Dairy Cows</title><author>Bal, M.A. ; Shaver, R.D. ; Al-Jobeile, H. ; Coors, J.G. ; Lauer, J.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c512t-15c174e4e5486768ed953c65d5465932242390ac5fd3713d24fbbefa47d4c6f23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Animal productions</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Cattle - physiology</topic><topic>Chimera</topic><topic>corn silage</topic><topic>Digestion</topic><topic>Eating</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. 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In trial 1, 24 multiparous Holstein cows were used in a replicated 4 x 4 Latin square with 28-d periods. Treatments were conventional (Pioneer 3563) and leafy (Mycogen TMF 106) corn silage hybrids, each planted at low (59,000 plants/ha) and high (79,000 plants/ha) plant populations. There were no milk production differences between treatments. Total-tract digestibility of dietary starch was higher for leafy compared with conventional corn hybrids. In trial 2, 26 multiparous Holstein cows were assigned randomly to diets containing either conventional (48% forage diet) or brown-midrib (60% forage diet) corn silage in a crossover design with 8-wk periods. Milk yield was lower, but milk fat percentage and yield were higher, for the high-forage diet containing brown-midrib corn silage. In trial 3, 24 multiparous Holstein cows were used in a replicated 4×4 Latin square with 28-d periods. Treatments were corn silage at two concentrations of neutral detergent fiber (Garst 8751, 39.2% NDF; Cargill 3677, 32.8% NDF) each fed in normal- (53% of dry matter) and high- (61 to 67% of dry matter) forage diets. Milk production was not different between corn hybrids. Increased concentrate supplementation increased DMI and milk production. There were minimal benefits to the feeding of leafy or low-fiber corn silage hybrids. Feeding brown-midrib corn silage in a high-forage diet increased milk fat percentage and yield compared with conventional corn silage fed in a normal-forage diet.</abstract><cop>Savoy, IL</cop><pub>Elsevier Inc</pub><pmid>11132857</pmid><doi>10.3168/jds.S0022-0302(00)75185-X</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Animal productions Animals Biological and medical sciences Cattle - physiology Chimera corn silage Digestion Eating Female Fundamental and applied biological sciences. Psychology intake Lactation Milk - chemistry milk production Silage Terrestrial animal productions Time Factors Vertebrates Zea mays - chemistry |
| title | Corn Silage Hybrid Effects on Intake, Digestion, and Milk Production by Dairy Cows |
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