Effects of milk, pasteurized milk, and milk replacer on health and productivity of dairy calves

dc.citation.epage8en_US
dc.citation.spage1en_US
dc.contributor.authorHulbert, Lindsey E
dc.contributor.authorTrombetta, Sophia A.
dc.contributor.authorNoel, Jere A.
dc.contributor.authorMoisa, Sonia J.
dc.contributor.authorMontgomery, Sean P.
dc.contributor.authorHanzlicek, Greg A.
dc.contributor.authorBradford, Barry J.
dc.contributor.authoreidlhulberten_US
dc.contributor.authoreidsjmoisaen_US
dc.contributor.authoreidsmontgomen_US
dc.contributor.authoreidgahanzen_US
dc.contributor.authoreidbbradforen_US
dc.date.accessioned2015-04-22T19:11:54Z
dc.date.available2015-04-22T19:11:54Z
dc.date.issued2015-04-22
dc.date.published2014en_US
dc.descriptionDairy Research, 2014 is known as Dairy Day, 2014en_US
dc.description.abstractOur objectives were to determine the health and blood parameters before, during, and after weaning of 114 Holstein heifers fed either accelerated milk replacer (MR; 28% CP, 18% fat) or non-saleable milk (3.59 ± 0.28% true protein; 4.12 ± 0.37% fat) that was either pasteurized (PM) or raw (RM; refrigerated and fed <24 h after collection). Calves were randomly assigned to feeding treatments at birth. Colostrum (1 L) was fed less than 14 hours after birth (MR and PM = pasteurized colostrum; RM = raw colostrum). All calves were bottle-fed 1.8 ± 0.20 L, 3 times daily; all calves were provided fresh water and grain ad libitum throughout the experiment. Calves began step-down weaning at age 5 weeks and completed weaning at age 6 weeks. Blood samples were collected at ages 3, 5, and 7 weeks and were analyzed for complete blood counts (CBC) using a Procyte Idexx Analyzer (IDEXX Laboratories, Inc., Westbrook, ME). Fecal scores were observed twice daily, on a 1 to 3 scale (FS1 = normal, FS2 = loose, FS3 = scours). Results showed that MR-fed calves had more (P < 0.01) observations (%obs) with FS > 2 than the PM- and RM-fed calves (2.3 vs. 1.6 and 1.7 ± 0.2 %obs, respectively). In addition, there were no differences in body weight or shoulder or hip height between treatments, but a treatment × week interaction (P = 0.05) occurred for grain consumed, with a noticeably higher increase between 6 and 7 weeks of age for MR calves. When CBC was considered, there were no differences in blood cell types, but MR-fed calves had greater mean corpuscular volume (MCV) than the other calves (P < 0.01), leading to higher resistance for iron deficiency anemia. In conclusion, these findings suggest that calf performance and feed intake are not affected by the administration of raw milk, pasteurized milk, or milk replacer. Moreover, CBC health parameters showed no significant changes due to administration of the different types of milk sources.en_US
dc.description.conferenceDairy Day, 2014, Kansas State University, Manhattan, KS, 2014
dc.identifier.urihttp://hdl.handle.net/2097/18979
dc.language.isoen_USen_US
dc.publisherKansas Agricultural Experiment Station and Cooperative Extension Serviceen_US
dc.relation.isPartOfDairy Day, 2014en_US
dc.relation.isPartOfKansas Agricultural Experiment Station contribution; no. 15-156-Sen_US
dc.relation.isPartOfReport of progress (Kansas Agricultural Experiment Station and Cooperative Extension Service); 1111en_US
dc.subjectMilk replaceren_US
dc.subjectPasteurizationen_US
dc.subjectCalvesen_US
dc.subjectHematologyen_US
dc.subjectFecal scoreen_US
dc.titleEffects of milk, pasteurized milk, and milk replacer on health and productivity of dairy calvesen_US
dc.typeConference paperen_US

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