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Fig. 1

BCS changes (mean ± SEM) during the study period among groups
BCS changes (mean ± SEM) during the study period among groups

Fig. 2

Effect of different body condition score (BCS) loss on concentration of Ca (mean ± SEM)
Effect of different body condition score (BCS) loss on concentration of Ca (mean ± SEM)

Fig. 3

Effect of different body condition score (BCS) changes at peripartum period on BHBA
Effect of different body condition score (BCS) changes at peripartum period on BHBA

Effect of different body condition score (BCS) changes on rate of the corpus luteum activity, clinical endometritis, calving to conception interval (median (min–max)), and pregnancy rate

Group
Parameter BCS-C BCS-L BCS-H P-value
Corpus luteum activity < 30 ± 4d (%) 61.90 40 50 0.187
Clinical endometritis (%) 9.50 b 35 a 37.50 a 0.032
Interval from calving to conception (day) 82 (47–119) 122(50–168) 106 (47–150) 0.561
Pregnancy rate (%)
1st service 61.90 50 50 0.473
Overall 80.95a 65 b 56.25 b 0.035

Effect of different body condition score (BCS) changes on concentrations of AST, CK, GGT, cholesterol, BID, and BIT (mean ± SEM) among groups

Days P-value
Parameters −14 ± 3 Antepartum 3 Postpartum 14 Postpartum 30 ± 4 Postpartum Group Time Group*Time
AST
BCS-H 76.76 ± 4.09b 146.09 ± 18.46a 146.26 ± 17.36a,A 88.90 ± 5.03b
BCS-L 82.49 ± 5.51b 127.04 ± 12.01a 112.70 ± 11.97ab,C 92.21 ± 5.22b 0.034 0.000 0.050
BCS-C 79.75 ± 3.18 107.23 ± 4.03 102.03 ± 4.98B 85.51 ± 4.85
ALP
BCS-H 45.63 ± 3.26 34.94 ± 5.07 34.25 ± 4.74 35.69 ± 5.75
BCS-L 40.85 ± 4.87ab 51.90 ± 6.27a 33.75 ± 3.92b 30 ± 3.74b 0.624 0.000 0.052
BCS-C 45.81 ± 6.27ab 50.48 ± 6.23a 37.76 ± 5.87b 40.62 ± 7.12ab
CK
BCS-H 464.18 ± 183.58b 1675.20 ± 621.04a,A 536.60 ± 130.88b 404.19 ± 139.10b
BCS-L 452.46 ± 228.74 433.14 ± 104.29B 376.79 ± 114.27 414.46 ± 132.60 0.010 0.047 0.048
BCS-C 458.78 ± 118.61 219.90 ± 29.43B 286.23 ± 51.44 329.82 ± 91.09
GGT
BCS-H 15.01 ± 1.27 13.20 ± 2.45 16.10 ± 1.78 18.54 ± 1.49
BCS-L BCS-C 19.02 ± 2.85 15.75 ± 1.63 23.21 ± 3.02 18.90 ± 2.82 22.76 ± 1.95 17.50 ± 2.17 16.03 ± 1.78 14.31 ± 1.26 0.041 0.322 0.112
Cholesterol
BCS-H 93.88 ± 3.43b 68 ± 4.14c 79.94 ± 4.48bc 115.19 ± 5.91a
BCS-L 88.70 ± 2.90b 67.25 ± 2.77c 76.55 ± 8.45bc 110.30 ± 7.29a 0.164 0.000 0.940
BCS-C 92.38 ± 2.99b 76.86 ± 3.05c 87.48 ± 6.09bc 117 ±6.01a
BID
BCS-H 0.11 ± 0.02ab 0.18 ± 0.03a,AB 0.13 ± 0.03ab 0.08 ± 0.02b
BCS-L 0.10 ± 0.01bc 0.27 ± 0.03a,A 0.16 ± 0.02b 0.08 ± 0.01c 0.008 0.000 0.016
BCS-C 0.11± 0.01a 0.14 ± 0.02a,B 0.10 ± 0.02ab 0.05 ± 0.01b
BIT
BCS-H 0.09 ± 0.01b 0.31 ± 0.06a,AB 0.20 ± 0.05ab,AB 0.11 ± 0.01b
BCS-L 0.11 ± 0.01b 0.45 ± 0.07a,A 0.32 ± 0.05a,A 0.15 ± 0.02b 0.001 0.000 0.014
BCS-C 0.09 ± 0.01 0.20 ± 0.02B 0.16 ± 0.03B 0.13 ± 0.02

Constituents of diets fed during far-off (−50 to −31 days relative to expected calving), close-up (−30 days to calving), and early lactation

Component Far-off Close-up Early lactation
Ingredient, % of DM
Vetch hay 11.58 - -
Alfalfa silage - - 9.67
Alfalfa hay 7.89 6.97 10.29
Corn silage 52.60 43.51 44.16
Wheat straw 10.52 22.25 -
Soybean meal, 48% CP - - 1.61
Concentrated feed 15.78 20.94 30.31
Limestone 0.82 2.25 1.57
Salt 0.30 - 0.26
Ammonium chloride - 1.15 -
Dicalcium phosphate 0.14 0.30 0.44
Magnesium oxide - 0.12 0.44
Magnesium sulphate 0.16 1.35 0.25
Sodium bicarbonate - - 0.70
Calcium sulphate - - 0.10
Mineral-vitamin mix1 0.21 0.17 0.20
eISSN:
2450-8608
Langue:
Anglais
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Sujets de la revue:
Life Sciences, Molecular Biology, Microbiology and Virology, other, Medicine, Veterinary Medicine