We studied 100 neonates to enter a Dongguk University Oriental Hospital Postpartum Care Center, during 9 months from February 10. 2001 to November 4. 2001. The conclusion is following. 1. Newborn sex ratio was 1.70. 2. Delivery method : Normal vaginal delivery was 66 and cesarean section was 34. 3. Gestation age : Premature infants less than 37 weeks were 2 term infants from 37 to 41 weeks were 98 and post-term infants 42 or more weeks were zero. 4. Period between birth and admission : First to fifth day was 66 sixth to tenth day was 32 and eleventh or more day was 2. 5. Period of admission : 1 to 7 days were 8. 8 to 14 days were 65. 15 to 21 days were 23. and 22 to 28 days were 4. 6. Weight : Birth weight less than 2500g was 3. 2500 to 3999g was 92. and 4000g or more was 5. 7. Height : Zero week after birth the average height was 48.8cm, one week after birth was 50.0cm, two weeks after birth was 51.8cm, three weeks after birth was 53.2cm, four weeks after birth was 54.5cm. 8. Head circumference : Zero week after birth the average head circumference was 34.6cm, one week after birth was 35.3cm, two weeks after birth was 35.7cm, three weeks after birth was 36.3cm, four weeks after birth was 36.8cm. 9. Chest circumference : Zero week after birth the average chest circumference was 33.2cm, one week after birth was 33.5cm, two weeks after birth was 34.4cm, three weeks after birth was 35.1cm, four weeks after birth was 36.6cm. 10. Feeding : There was not breast feeding, artificial feeding was 8, and mixing feeding was 92. 11. Jaundice : Physiologic jaundice was 10, pathologic jaundice was 1.
The effect of vitamin E supplementation on plasma ${\alpha}$-tocopherol level, total antioxidant level and reproductive performance in Murrah buffaloes was studied during periparturient period. Twenty-four advance pregnant buffaloes were randomly divided into four equal groups as $T_1$, $T_2$, $T_3$ and $T_4$ and were supplemented with 0, 1,000, 1,500 and 2,000 IU of ${\alpha}$-tocopheryl acetate (Merck) from 60 days prepartum to 30 days postpartum and 0, 500, 750 and 1,000 IU from 30 to 60 days postpartum, respectively. Blood samples were collected at -60, -45, -30, -15, -7, 0, 7, 15, 30 and 60 days of parturition and were analyzed for plasma ${\alpha}$-tocopherol and total antioxidant activity (TAA). The intake of DM, CP and TDN did not vary among different groups. Plasma ${\alpha}$-tocopherol and TAA around parturition (-7 to 15 day) in $T_3$ and $T_4$ were significantly higher than the control group. There was 17% reduction in retention of fetal membranes (RFM) and metritis in $T_4$ than control. The post partum estrus interval averaged 58.00, 55.33, 51.83 and 43.00 days in $T_1$, $T_2$, $T_3$ and $T_4$ respectively. There was significant reduction in days open in both $T_3$ and $T_4$ in comparison to $T_1$ group (127,130 Vs.146). All the vitamin E supplemented groups showed reduction in days open than their previous lactation performance. Supplementation of vitamin E at $1,500IU\;d^{-1}$ from 60 day prepartum to 30 day post partum to buffaloes exhibited beneficial effect on plasma ${\alpha}$-tocopherol level and TAA around parturition and continuation of its supplementation at $1,000IU\;d^{-1}$ from 30 to 60 days of lactation improved post partum reproductive performance of buffaloes.
The effects of progesterone releasing intravaginal device (PRID) on the fertility levels in dairy cows were studied in 2 experiments. In experiment I, 70 lactating cows at 45 days postpartum were allotted to 3 groups and the treatments imposed were either: 1: Untreated control, 2: PRID with a capsule containing long of oestradiol benzoate (ODB) attached, inserted for 12 days, 3: PRID inserted for 12 days with long of prostaglandin F$\_$2${\alpha}$/ administration 24 h before PRID removal. Treated cows were inseminated 56 h after PRID removal and at an observed oestrus during the subsequent 48-day period. The control group was inseminated at an observed oestrus during this 60-day period. In experiment II, 60 ovarian disorder cows were divided into 5 groups and PRID+ODB inserted for 12 days. 1: atrophied ovary, 2: smooth ovary, 3: persistent corpus luteum, 4: follicular cyst, 5: luteal cyst. Treated cows were inseminated 56 h after PRID removal and at an observed oestrus over a period from the first insemination to 46 days. The results obtained were as follows: 1. The device produced a vaginal discharge in some animals. In experimenet I : 2. For treatments 2 and 3, respectively, conception rates to the fixed time insemination were 45% and 52%. 3. The conception rates of cows inseminated to the fixed time insemination and at an observed oestrus during a 60-day period were 65%, 86% and 91% for control, treatment 2 and 3, respectively. 4. Mean interval from calving to conception and inseminations per conception were 133, 91 and 86 days and 2.4, 2.1 and 1.9 for control, treatments 2 and 3, respectively. In experiment II; 5. The conception rates to the fixed time insemination for each group 20, 50, 70, 20 and 50%, respectively. 6. The total conception rates for the 48 days period of each group were 60, 70, 100, 60 and 90%, respectively. 7. The inseminations per conception of each group were 2.8, 2.1, 1.4, 2.7 and 1.9, respectively.
The aims of the present study were to determine the weaning time for adoption of kittens, and to evaluate the fetal growth rate during pregnant in free-roaming cats. This study was conducted on three pregnant free-roaming cats (one feral cat and two stray cats). Radiography and ultrasonography were performed on the feral cat and on one of the stray cats. In the feral cat, fetal head diameter was measured once during pregnancy to determine the cesarean section (C-sec) time. In the stray cat, serial fetal head diameter was measured from capture to parturition. The body weight of the feral cat's kittens was measured from 4 weeks postpartum because of their wildness. That of the stray cats' kittens was measured immediately after birth. In the feral cat, scheduled C-sec was performed at predicted parturition day by measurement of head diameter, and six healthy kittens were delivered. The stray cats had five and six kittens by natural delivery, respectively. In the body weight gain of feral and stray cat's kittens, two female kittens of the feral cat lost weight rapidly after they were separated from their mother, so they were returned to their mother for 1 more week. After that, the female kittens grew up without difficulty. Body weight gain of the ten kittens born to the two stray cats consistently increased, by approximately 14 g every day, until they were adopted. The body weight of kittens born by natural delivery was on average 77.5 g greater than that of kittens born by C-sec. However, the gap decreased with time. During the stray cat's pregnancy, fetal head diameter increased by 0.042 cm every day. Maximum head size before parturition was 2.43 cm. These results indicate that the weaning time for adoption of kittens was 5-week-old postpartum.
Proceedings of the Korean Society of Toxicology Conference
/
2003.10b
/
pp.190-191
/
2003
We investigated the effects of gestational and lactational exposures to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on the differential induction of CYP1A1 in the levels of protein and gene expression in the liver and brain regions of offspring rats. For this study, pregnant Sprague Dawley rats were orally exposed to TCDD (1 or 10 ng/kg body weight/day) starting at Day 1 of gestation up to Day 20 of postpartum. (omitted)
In order to investigate the protein intake of breast-fed infants, we examined sixty infants during the first 5 months of lactation. Human milk intake infants increased during lactation with the respective values of 525, 671, 734, 744 , 765 and 768g/day t 0.5, 1, 2, 3, , 4 and 5 months postpartum. The average protein contents of human milk showed 1.58, 1.38, 1.23, 1.11, 1.08and 1.07g/100g respectively. The protein intake of boys during the first 5 months of lactation averaged 9.11g/day which was higher than the 7.71g/day average for girls. Body weight of infants at birth was 3337g, which increased significantly during lactation. The protein intake per body weight of breast-fed infants in boys was significantly higher than that in girls(p<0.01). Protein intake of breast-fed infants had survey, a revaluation of the protein intake and recommended dietary allowance of protein during early infancy should be considered.
To investigate the energy, protein, lipid, and lactose intakes of breast-fed infants of lacto-ove-vegetarians, 25 infants(13 boys, 10 girls) were examined on the 0.5th, 1st, 2nd, and 3nd months of lactation. The amount of breast milk intake was determined by a test-weighing method, and the energy content of protein, lipid, and lactose was calculated using the Atwater factor. Thedaily energy intake for boys averaged 316, 436, 447, and 431kcal and that of girls averaged 284, 399, 401, and 390kcal during lactation, respectively. Average energy intake of boys from milk from 2nd week to the 3rd month postpartum was significantly higher than that of girls(p<0.05), because milk intake volume of boys was much higher than that of girls. The protein intake of boys on 2nd week-3rd month averaged 7.33g/day and that of girls averaged 6.29g/day. The lipid intake of 2nd week, months averaged 21.8g/day and that of girls averaged 20.1g/day. The lactose intake of boys averaged 45.48g/day, while that of girls averaged 41.09g/day. The mean intake of protein and lactose in boys was significantly higher than that of girls.
Baek K. S.;Park S. J.;Park S. B.;Kim H. S.;Lee H. J.;Lee W. S.;Jeon B. S.;Ahn B. S.;Kim J. G.;Jeong G. Y.;Son J. K.
Journal of Embryo Transfer
/
v.20
no.3
/
pp.279-287
/
2005
This study was carried out to investigate resumption of ovarian cyclicity and effect of BCS on estrous response by treatment of $PGF_2a+PGF_2a+CIDR$ program on day 40 postpartum in lactating dairy cow. First $PGF_2a$ was given on day 40 postpartum, second $PGF_2a$ was given 14 days apart to cows not-responded to 1st $PGF_2a$ and then CIDR was inserted for 7 days after 5 days in cows not-responded to 2nd $PGF_2a$. The $42.9\%$ of the cows showed more than 1 ng/mL milk progesterone concentration within 10 to 30 days postpartum. About $19\%$ of the cows exhibited more than 1 ng/mL milk pro-gesterone concentration between 31 to 50 days postpartum. However $38.1\%$ of the cows have not shown more than 1 ng/mL milk progesterone up to 50 days postpartum. Estrous response to the treatment of 1 st $PGF_2a$ and 2nd $PGF_2a$ was $47.5\%$ and $52.4\%$, respectively. Combination of 1 st $PGF_2a$ and 2nd $PGF_2a$ was $75\%$ and combination of 1st $PGF_2a$+2nd $PGF_2a$+CIDR was $87.5\%$. Estrous response to the treatment of $PGF_2a+PGF_2a$ program was $61.5\%$ in cows with less than 2.50 BCS and $81.5\%$ in cows with 2.75${\~}$3.50 BCS. Estrous response to the treatment of CIDR was $40\%$ in cows with less than 2.50 BCS and $80\%$ in cows with 2.75${\~}$3.50 BCS. Estrous response to the treatment of PPC on day 40 postpartum was $76.9\%$ in cows with less than 2.50 BCS and $96.3\%$ in cows with 2.75${\~}$3.50 BCS.
This study was longitudinally conducted to evaluate the intakes of protein, Ca, Mg and P of exclusively breast-fed infants compared with the Recommended Dietary Allowances (RDA) for Korean infants. Twenty Korean lactating women and their infants during the first 3 months of lactation in Incheon area were participated. Protein, Ca and Mg, and P contents in the milk were determined using semimicro Kjeldahl (N ${\times}$ 6.38) , atomic absorption spectrophotometer and colorimeter, respectively, and also the milk consumption of the infants was measured by the test-weighing method. Protein contents of the milk were 1.96, 1.63, 1.51, 1.25 and 1.16 g/100 ml, and protein intakes of the breast-fed infants were 9.00, 9.85, 9.17, 8.97 and 7.76 g/day at 7, 15, 30, 60 and 90 days postpartum. The average protein intake per body weight of the breast-fed infants was 1.84 g/kg/day. The average intakes of Ca, Mg, P were 172.1 mg/day, 15.2 mg/day and 91.4 mg/day, respectively, and the average Ca/P ratio was 1.91. There was positive correlation between protein and Ca, protein and p, and Ca and P contents while negative correlation between Mg and P, The body weight of breast-fed infants increased normally from 3.6 $\pm$ 0.41 g at birth to three month during lactation. It is suggested that the breast-fed infants in Incheon area consume almost adequately protein, Ca and P from the milk compared with RDA for Korean infants.
Kim, H.S.;Jung, H.Y.;Lee, H.J.;Ki, K.S.;Cho, Y.M.;Ahn, B.S.;Lee, S.S.
Journal of Animal Science and Technology
/
v.44
no.5
/
pp.561-572
/
2002
The objective of this study was to evaluate a feed additives used mainly in lactating cow diets in transient pregrent cow diets. The study was conducted as a completely randomized design with forty Holstein pregnant cows to determine the effect of feeding Aspergillus oryzae(T2), Saccharomyces cerevisiae mixture(T3) and enzyme(cellulase, xylanase) - releasing chemicals(ERC) (T4) on the dry matter intake, milk yield, milk composition and metabolic disorders. Dry matter intake was similar among treatments for 3 weeks prepartum but cows fed enzyme tended to increased feed intake compared to no additives treatment both in calving day and for 3 weeks postpartum. Cows fed Aspergillus oryzae, Saccharomyces cerevisiae and ERC produced more milk than those fed no additives. However, there is no significant difference among treatments. Concentration of glucose was not significantly different among treatment prepartum but that in plasma of cows fed ERC was higher at calving and 3 weeks postpartum compared to others. Increase in NEFA began at 3 weeks prepartum and accelerate during the final 7 days before calving at all treatments but lower for ERC-treated cows at calving and 3 weeks postpartum. Ca concentration not different among treatment prepartum and postpartum. Corticoid content decreased significantly for cows fed ERC compared to those fed non-additives. Metabolic disorder was not occurred in cows fed ERC. However, ketosis and displased abomasum were happened 1 cow when fed non-additives, metritis 1 cow when fed Aspergillus oryzae and retained placenta 1 cow in all treatments except cows fed ERC.
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