EFFECT OF PREPARTUM DIETARY ENERGY ON CONDITION SCORE, POSTPARTUM ENERGY, NITROGEN PARTITIONS, AND LACTATION PRODUCTION RESPONSES

被引:77
作者
HOLTER, JB
SLOTNICK, MJ
HAYES, HH
BOZAK, CK
URBAN, WE
MCGILLIARD, ML
机构
[1] UNIV NEW HAMPSHIRE,OFF BIOMETR,DURHAM,NH 03824
[2] VIRGINIA POLYTECH INST & STATE UNIV,DEPT DAIRY SCI,BLACKSBURG,VA 24061
关键词
BODY CONDITION; PRODUCTION; BODY TISSUE BALANCE;
D O I
10.3168/jds.S0022-0302(90)79050-9
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Objectives were to examine the effects of feeding to alter body condition at calving on subsequent full lactation production performance and feed intake, on BW and periparturient blood traits, and on complete energy and N balances and ration digestibility during wk 6, 10, and 14 postpartum. Thirty pluriparous Holstein cows were assigned randomly to two energy intakes from wk 33 of previous lactation through the dry period to create either normal (7.2) or thin (5.8) mean body condition scores at calving (9 = fat, 1 = thin). The thin group was fed 0 kg hominy feed daily; the normal group was fed 2.7 kg daily to supplement forage DM available ad libitum during this period. When compared with the normal group, cows in the thin condition group exhibited less negative body fat balance (-206 vs. -507 g/d); similar milk yield, DM intake, N partitions, and nutrient digestibilities; and lower fat test (3.2 vs. 4.1%) during the balance measurements. Whole blood and serum traits were within normal physiological ranges. Full lactation measurements were similar between treatments except that milk fat percentage was lower and DM intake (as percentage of BW), was higher in the thin condition group. Although mean BW at calving was more (651 vs. 599 kg) for normal condition cows, condition scores and BW were not significantly different at 14 wk postpartum; BW curves indicated similar rates of recovery of weight thereafter. Cows considered underconditioned at parturition mobilized less body fat after calving, resulting in reduced milk fat concentration without significant effects on milk yield, protein, SNF, DM intake, or nutrient utilization.
引用
收藏
页码:3502 / 3511
页数:10
相关论文
共 19 条
[1]  
AALSETH EP, 1983, SYSTEM EVALUATING BO, P261
[2]   THE EFFECT OF BODY CONDITION ON METABOLIC CHANGES ASSOCIATED WITH INTAKE OF FOOD BY THE COW [J].
BINES, JA ;
MORANT, SV .
BRITISH JOURNAL OF NUTRITION, 1983, 50 (01) :81-89
[3]   EFFECT OF PREPARTUM ENERGY, BODY CONDITION, AND SODIUM-BICARBONATE ON PRODUCTION OF COWS IN EARLY LACTATION [J].
BOISCLAIR, Y ;
GRIEVE, DG ;
STONE, JB ;
ALLEN, OB ;
MACLEOD, GK .
JOURNAL OF DAIRY SCIENCE, 1986, 69 (10) :2636-2647
[4]   EFFECT OF LEVEL OF CONCENTRATE FEEDING BEFORE AND AFTER CALVING ON PRODUCTION OF DAIRY COWS [J].
CASTLE, ME ;
WATSON, JN .
JOURNAL OF DAIRY RESEARCH, 1961, 28 (03) :231-+
[5]   EFFECTS OF PREPARTUM FEEDING LEVEL AND BODY CONDITION ON POSTPARTUM PERFORMANCE OF DAIRY COWS [J].
DAVENPORT, DG ;
RAKES, AH .
JOURNAL OF DAIRY SCIENCE, 1969, 52 (07) :1037-+
[6]   EFFECT OF DRY PERIOD OVER-CONDITIONING ON SUBSEQUENT METABOLIC DISORDERS AND PERFORMANCE OF DAIRY-COWS [J].
FRONK, TJ ;
SCHULTZ, LH ;
HARDIE, AR .
JOURNAL OF DAIRY SCIENCE, 1980, 63 (07) :1080-1090
[7]   INTERACTIONS OF ENERGY LEVELS OFFERED TO HOLSTEIN COWS PREPARTUM AND POSTPARTUM .I. PRODUCTION RESPONSES AND BLOOD COMPOSITION CHANGES [J].
GARDNER, RW .
JOURNAL OF DAIRY SCIENCE, 1969, 52 (12) :1973-+
[8]   THE INFLUENCE OF BODY CONDITION AT CALVING AND DIETARY-PROTEIN SUPPLY ON VOLUNTARY FOOD-INTAKE AND PERFORMANCE IN DAIRY-COWS [J].
GARNSWORTHY, PC ;
JONES, GP .
ANIMAL PRODUCTION, 1987, 44 :347-353
[9]   CRUDE PROTEIN FOR HIGH MILK-PRODUCTION [J].
HOLTER, JB ;
BYRNE, JA ;
SCHWAB, CG .
JOURNAL OF DAIRY SCIENCE, 1982, 65 (07) :1175-1188
[10]   VARYING PROTEIN-CONTENT AND NITROGEN SOLUBILITY FOR PLURIPAROUS, LACTATING HOLSTEIN COWS - LACTATION PERFORMANCE AND PROFITABILITY [J].
HOLTER, JB ;
HYLTON, WE ;
BOZAK, CK .
JOURNAL OF DAIRY SCIENCE, 1985, 68 (08) :1984-1994