Conception rate in hill ewes given a multi-trace element/vitamin bolus before mating

1998 ◽  
Vol 1998 ◽  
pp. 216-216
Author(s):  
R.G. Hemingway ◽  
J.J. Parkins ◽  
N.S. Ritchie
Keyword(s):  
Vitamin D ◽  
Trace Element ◽  
Copper Concentration ◽  
Conception Rate ◽  
Single Element ◽  
Glutathione Peroxidase Activity ◽  
Liver Copper ◽  
Foetal Mortality ◽  
Veterinary Surgeon ◽  
Total Life

Conception rate in ewes, mainly by reduction in early foetal mortality, have been improved by a range of individual supplementary trace elements (especially Se, but also Cu, Co, Mn and Zn) given prior to mating (Hidiroglou, 1979). Ritchie et al. (1997) has described significant improvements in liver copper concentration and blood glutathione peroxidase activity (GSHPx) in ewes given a single sustained-release multi-trace element and vitamin bolus which incorporates a grinder (‘Small-Trace’, Agrimin Ltd., Brigg DN20 0SP). This communication describes studies in the conception rate of ewes given this bolus at three grazing sites. Each flock was judged by the veterinary surgeon concerned to require routine trace element supplementation and which had previously been given by various combinations of injections, drenches, single element boluses and/or copper oxide needles.Each bolus contained 5.3g Cu, 50mg Se, 90mg Co, lOOmg I, 4.7g Zn and 3.3g Mn with (iu) 268 x 103 vitamin A, 54 x 103 vitamin D and 800 vitamin E. About one-half of each nutrient is released in the first 6-8 weeks; thereafter the rate slows and the total life of the bolus is c. 7 months. (Ritchie et al. 1997).

scholarly journals Outcomes of prolonged preterm premature rupture of the membrane: a report of six cases

2018 ◽  
Vol 8 (1) ◽  
pp. 329
Author(s):  
Asha Dixit
Keyword(s):  
Maternal Morbidity ◽  
Complete Blood Count ◽  
Clinical Investigation ◽  
Present Report ◽  
Latency Period ◽  
Expectant Management ◽  
Premature Rupture ◽  
Preterm Premature Rupture ◽  
Foetal Mortality ◽  
Litmus Test

Preterm premature rupture of the membranes (PROM) is associated with significant maternal morbidity and perinatal mortality. With an increasing era of infertility, the main interest of an assisted reproductive technology specialist is to increase the take-home baby rate. Here authors present report on the outcomes of prolonged preterm PROM cases facilitated with expectant management. Report is based on the medical records of six women with preterm PROM between 16-31 weeks of gestation who gave their consent to continue the pregnancy. These women were diagnosed with PROM by the litmus test and per speculum examination. Ultrasound scan and clinical investigation, which included complete blood count and C-reactive protein level, were performed in all cases. Prophylactic antibiotics were administered to prevent the infection and increase the latency period. All six babies (100%) were delivered successfully. There was no foetal mortality and maternal morbidity observed. Expectant management in preterm PROM cases can increase the survival rate and hence the take-home baby rate.

Conception rate in hill ewes given a multi-trace element/vitamin bolus before mating

1998 ◽  
Vol 1998 ◽  
pp. 216-216
Author(s):  
R.G. Hemingway ◽  
J.J. Parkins ◽  
N.S. Ritchie
Keyword(s):  
Vitamin D ◽  
Trace Element ◽  
Copper Concentration ◽  
Conception Rate ◽  
Single Element ◽  
Glutathione Peroxidase Activity ◽  
Liver Copper ◽  
Foetal Mortality ◽  
Veterinary Surgeon ◽  
Total Life

Conception rate in ewes, mainly by reduction in early foetal mortality, have been improved by a range of individual supplementary trace elements (especially Se, but also Cu, Co, Mn and Zn) given prior to mating (Hidiroglou, 1979). Ritchie et al. (1997) has described significant improvements in liver copper concentration and blood glutathione peroxidase activity (GSHPx) in ewes given a single sustained-release multi-trace element and vitamin bolus which incorporates a grinder (‘Small-Trace’, Agrimin Ltd., Brigg DN20 0SP). This communication describes studies in the conception rate of ewes given this bolus at three grazing sites. Each flock was judged by the veterinary surgeon concerned to require routine trace element supplementation and which had previously been given by various combinations of injections, drenches, single element boluses and/or copper oxide needles.Each bolus contained 5.3g Cu, 50mg Se, 90mg Co, lOOmg I, 4.7g Zn and 3.3g Mn with (iu) 268 x 103 vitamin A, 54 x 103 vitamin D and 800 vitamin E. About one-half of each nutrient is released in the first 6-8 weeks; thereafter the rate slows and the total life of the bolus is c. 7 months. (Ritchie et al. 1997).

scholarly journals Ovulation and post-ovulational losses in strains of mice selected from large and small litters

1966 ◽  
Vol 8 (2) ◽  
pp. 229-241 ◽  
Author(s):  
Nigel Bateman
Keyword(s):  
Litter Size ◽  
Male Fertility ◽  
Ovulation Rate ◽  
Foetal Mortality

This paper describes the aspects of fertility that had been affected by selection on litter size. For twelve generations previously the mice used as parents were chosen because they had been born in large or small litters. At the end of this time, litters in the fertile strain averaged 11·1 young born alive, while the less fertile strain averaged 5·5.It was found that male fertility and inherent viability of the young had nothing to do with the response although neither was excluded by the method of selection. Several contributions, however, were made by the females, who were affected not only in ovulation rate, but also in their control of pre-implantational losses, foetal mortality and mortality of the newly born.Females from the less fertile strain were particularly prone to pre-implantational loss of eggs. It remains to be shown whether these were due to fertilizational or implantational failure.The incidence of earlier and later embroyonic losses in females of the same strain were uncorrelated—Utters that were depleted early were neither more nor less inclined to be depleted later.

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