Hypomagnesaemic tetany of calves, Biology

Hypomagnesaemic tetany of calves

Young calves in the age group of 2-8 weeks and fed whole milk or milk replacer are more likely to develop hypomagnesaemia due to inadequate magnesium in diet. Magnesium concentration in milk is low, which may be adequate for growing calves upto a body weight of 50 kg. The intake of magnesium will be inadequate if the calves of higher body weight are fed solely on a whole milk diet. Chronic diarrhoea and chewing of bedding or course fibbers, that stimulate salivation, cause significant loss of magnesium in faeces and may exacerbate hypomagnesaemia in young calves.

The disease occurs sporadically and is clinically manifested by hyperexcitability, muscular spasms and convulsions. Initially, there is an increase in pulse rate, but as convulsions disappear the pulse becomes impalpable, and cyanosis develops before death. The condition must be differentiated from acute lead poisoning, enterotoxaemia caused by Clostridium perfringens type D, poleoencephalomalacia, tetanus, vitamin A deficiency, and strychnine poisoning. Normal serum magnesium level in calves ranges from 2.2 mg/dl to 2.7 mg/dl serum. A level below 0.8 mg/dl indicates severe hypomagnesaemia and the clinical signs appear at serum magnesium levels of 0.3-0.7 mg/dl. Calves are treated with 100ml of 10% solution of magnesium sulphate subcutaneously followed by dietary supplementation with magnesium oxide or magnesium carbonate (10 g once a day).

Posted Date: 9/19/2012 3:36:56 AM | Location : United States

Related Discussions:- Hypomagnesaemic tetany of calves, Assignment Help, Ask Question on Hypomagnesaemic tetany of calves, Get Answer, Expert's Help, Hypomagnesaemic tetany of calves Discussions

Write discussion on Hypomagnesaemic tetany of calves
Your posts are moderated
Related Questions
What are the principal sources of excessive nitrate and phosphate in rivers and lakes? Excessive nitrates and phosphates come majorly from sewage effluents and intensive agric

Botulism Botulism is a rapidly fatal motor paralysis. It is caused by ingestion of toxin of Clostridium botulinum in food. Many species of domesticated, wild animals and birds

Regional Specialisation Regional specialisation takes place usually by three processes – 1) Restriction of certain structures to a few segments, for example, gonads are res

In F2 generation of a hybridization for a given trait conditioned by a pair of alleles T and t, according to Mendel's first law what are the genotypes of each phenotypical form? An

What do you understand by Pharynx? The region of digestive tract between the mouth and esophagus. In most animals it's muscular and forces food into the digestive tract which l

Can someone describe the fundamental aspects of protein structure? I'm already familiar with the amino acid structure, I just don't have a clear conceptual understanding of protein

Q What is the alternative means for transport of substances in animals without a circulatory system? Why is blood important for larger animals? In animals that don't present th

What are the target organs upon which insulin and glucagon act? Glucagon mostly acts upon the liver. Insulin acts in general upon all cells. Both also act upon the adipose tiss

Q. What are the cells that produce the myelin sheath? Of which substance is the myelin sheath formed? In the central nervous system (CNS) the myelin sheath is made by appositio

Q. Inhibition of microorganisms in food? Microorganisms use our food supply as a source of nutrients and energy. They increase their numbers by utilizing nutrients. This can re