Effects of length of dry period on yields of milk fat and protein, fertility and milk somatic cell score in the subsequent lactation of dairy cows

Journal of Dairy Research

Volumn 73, Issue 2, 2006, Pages 154-162

  Kuhn, Melvin T ^a   Hutchison, Jana L ^a   Norman, H Duane ^a  

^a AGRICULTURAL RESEARCH SERVICE   (United States)

Author keywords

Days dry; Fertility; Somatic cell score; Yield traits

Indexed keywords

MILK PROTEIN;

ANIMAL; ANIMAL DISEASE; ARTICLE; CATTLE; CELL COUNT; CHEMISTRY; CYTOLOGY; FAT INTAKE; FEMALE; FERTILITY; LACTATION; MILK; PHYSIOLOGY; PROTEIN INTAKE; STANDARD; TIME;

ANIMALS; CATTLE; CELL COUNT; DIETARY FATS; DIETARY PROTEINS; FEMALE; FERTILITY; LACTATION; MILK; MILK PROTEINS; TIME FACTORS;

ANIMALIA; BOS TAURUS;

EID: 33646456780     PISSN: 00220299     EISSN: 14697629     Source Type: Journal    
DOI: 10.1017/S0022029905001597     Document Type: Article

References (22)

1. Animal Improvement Programs Laboratory 2005 Trend in milk breeding values for Holstein calculated May, 2005. http://aipl.arsusda.gov/dynamic/trend/ current/trndx.html. Accessed 23 May 2005
2. Annen EL, Collier RJ, McGuire MA, Vicini JL, Ballam JM & Lormore MJ 2004 Effect of modified dry period lengths and bovine somatotropin on yield and composition of milk from dairy cows. Journal of Dairy Science 87 3746-3761
3. Bachman KC & Schairer ML 2003 Invited Review: Bovine studies on optimal lengths of dry periods. Journal of Dairy Science 86 3027-3037
4. Dechow CD, Rogers GW & Clay JS 2002 Heritability and correlations among body condition score loss, body condition score, production and reproductive performance. Journal of Dairy Science 85 3062-3070
5. Grummer RR & Rastani RR 2004 Why re-evaluate dry period length? Journal of Dairy Science 87 E77-E85
6. Gulay MS, Hayen MJ, Bachman KC, Belloso T, Liboni M & Head HH 2003 Milk production and feed intake of Holstein cows given short (30-d) or normal (60-d) dry periods. Journal of Dairy Science 86 2030-2038
7. Kuhn MT & Hutchison JL 2005 Methodology for estimation of days dry effects. Journal of Dairy Science 88 1499-1508
8. Kuhn MT, Hutchison JL & Norman HD 2005a Characterization of days dry in US Holsteins. Journal of Dairy Science 88 1147-1155
9. Kuhn MT, Hutchison JL & Norman HD 2005b Minimum days dry to maximize milk yield in subsequent lactation. Animal Research 54 351-367
10. Linn J 2004 Short dry periods-beyond the milk production. Dairy Today 20 20
11. Madsen TG, Andersen JB, Ingvartsen KL & Nielsen MO 2004 Continuous lactation in dairy cows: effects on feed intake, milk production and mammary nutrient extraction. Journal of Animal and Feed Sciences 13 503-506
12. Monsanto 2005 POSILAC® General Information Update http://www. monsantodairy.com/updates/Bovine.html. Accessed 1 August 2005
13. National Agricultural Statistics Service 2004 Agriculture Statistics http://www.usda.gov/nass/pubs/agstats.htm. Accessed 30 August 2004
14. Rastani RR, Grummer RR, Bertics SJ, Gümen A, Wiltbank MC, Mashek DG & Schwab MC 2005 Reducing dry period length to simplify feeding transition cows: milk production, energy balance, and metabolic profiles. Journal of Dairy Science 88 1004-1014
15. Rémond B, Ollier A & Miranda G 1992 Milking of cows in late pregnancy: milk production during this period and during the succeeding lactation. Journal of Dairy Research 59 233-241
16. Sargent FD, Lytton VH & Wall, Jr OG 1968 Test interval method of calculating dairy herd improvement association records. Journal of Dairy Science 51 170-179
17. Schaeffer LR & Henderson CR 1972 Effects of days dry and days open on Holstein milk production. Journal of Dairy Science 55 107-112
18. Shook GE, Johnson LP & Dickinson FN 1980 Factors for improving accuracy of estimates of test-interval yield. DHI Letter 56 9-24
19. Sorensen JT & Enevoldsen C 1991 Effect of dry period length on milk production in subsequent lactation Journal of Dairy Science 74 1277-1283
20. VanRaden PM, Sanders AH, Tooker ME, Miller RH, Norman HD, Kuhn MT & Wiggans GR 2004 Development of a national genetic evaluation for cow fertility. Journal of Dairy Science 87 2285-2292
21. Waltner SS, McNamara JP & Hillers JK 1993 Relationships of body condition score to production variables in high producing Holstein dairy cattle. Journal of Dairy Science 76 3410-3419
22. Welper RD & Freeman AE 1992 Genetic parameters for yield traits of Holsteins including lactose and somatic cell score. Journal of Dairy Science 75 1342-1348