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怀孕哺乳期母狗需要额外地补钙吗??

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最后发言时间:2008-11-28 09:12

1#发表于 2008-07-24 18:48 |  只看该作者
怀孕哺乳期母狗需要额外地补钙吗??
作者:大狗爪

众所周知,怀孕哺乳期母狗对营养的需求很大~
因为除了要满足母狗本身的营养需要以后还要满足胎儿或是小狗的营养需要~
很多朋友认为胎儿要生长~~小狗要生长~很需要钙质,因此给母狗大量补钙~~
这倒底对不对呢???
针对这个问题~~我查阅了一些资料~~请看~~~

第一部分:需要额外补钙吗???
兽医学博士Ron Hines写过一片文章讲如何照顾怀孕哺乳期母狗~~
原文在这里:http://www.2ndchance.info/pregnantdog.htm
在他的文章中提到~~食物是与平时一样的(母狗胃口不好时除外)~~不同的只有量~~~
其中还调强一句"There is no need to give a vitamin or mineral supplement."

还有很多外文网站在写到这个问题时,意见和兽医学博士Ron Hines都是相同的~~~
因为没写作者~~我就随便挑几句:
1 Calcium is one supplement that deserves some special attention. Supplementing a pregnant dog is definitely not recommended.
2 Although it is true that a female's need for calcium increases during pregnancy and lactation, supplementing with calcium is not necessary.
3 do not supplement your pregnant dog with calcium unless specifically instructed by your veterinarian.
4 Don't give your dog vitamin or mineral supplements, especially calcium supplements
所以,无需额外给母狗补钙了~~~

第二部分:小狗生长所需要的这么多钙质~倒底从哪里来???
看文章:http://www.superk9.com/article-dogfoodnutrition08.asp
文中提到:When a female is nursing, there is an increased demand for calcium. The bones provide an abundant resource, but the withdrawal of calcium from the bones depends on several hormones.
所以说骨头是钙"银行"~
当钙多的时候~一部分钙会存到"银行"里
当钙不够的时候,一部分钙会从"银行"里提出来~~
母狗在怀孕哺乳期~~很需要钙~~
因此~这时体内会分泌激素
激素在体内激活一系列的生化反应
从而把钙质从骨头里提取出来.
当怀孕哺乳期后,狗狗又能从食物中吸收钙质~很快就会恢复

第三部分:为什么不能大量补钙补钙???有什么风险??
过度补钙会抑制体内激素的分泌~~破坏体内调钙能力~~
让母狗依赖人给她补的钙,一旦补得不够~钙质又无法及时从骨头中分离出来~
这时母狗血钙含量就降低~~
血钙含量过低的话~对母狗有生命危险!!!!
因为钙不仅组成了骨头~还参与了体内很多的生化反应
肌肉的每一下收缩,包括心脏的每下跳动都和钙有关~~
低血钙的后果可想而知~~~可能会让母狗(特别是小型犬)抽搐到死~~

此外~钙过多的话~~
还可能让母狗难产~
对小狗狗也骨骼也不好,因为
1钙会沉积在幼犬软组织里~
2钙过多让幼犬关节发育不正常

挑几句原文,有兴趣的网友请看:
1 Further, supplementation can suppress her natural calcium releasing hormones so that when she really needs extra calcium during nursing, she will not have the proper hormone balance to get it. This can create a very dangerous situation which could easily be avoided by avoiding supplementation of calcium.
2 Giving calcium supplementation, especially late in pregnancy, has been linked to increasing the risk of eclampsia (low blood calcium) in nursing dogs. Excess calcium has also been linked to difficult deliveries, soft tissue calcium deposits in the puppies and certain joint abnormalities in the pups. For this reason, do not supplement your pregnant dog with calcium unless specifically instructed by your veterinarian.
3 Eclampsia can occur before delivery or up to 6 weeks after delivery. Often it appears in the first 3 weeks after delivery. It is caused from receiving to high a dose of supplemented calcium.
4 Adding calcium to the bitch’s diet can actually increase the likelihood of eclampsia or milk fever once the puppies are born.
5 Nor will supplementing with calcium prevent eclampsia (sometimes called "milk fever"), which may occur after the young are born and nursing. Eclampsia is not a nutritional disease, but a metabolic condition.  Eclampsia occurs when these hormones are not helping to release enough calcium for the extra demands of milk production.
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      2#发表于 2008-07-24 18:51 |  只看该作者
      说了半天

      就是不同额外补了,对吧
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        3#发表于 2008-07-25 13:32 |  只看该作者
        看了就是 不用补了吧!
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          4#发表于 2008-07-25 14:25 |  只看该作者
          下面的英文看不明白 是介绍什么呢!
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            5#发表于 2008-07-25 14:38 |  只看该作者
            如果它需要还是要适当的补点吧!
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