Untersuchungen zur Jodversorgung von Hunden und Katzen in Frankreich
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vor 22 Jahren
Summary Iodine supply in dogs and cats in France The iodine content
was determined for 367 dog and cat urine samples taken from
different regions of France as well as random samples from one
region in Ireland and Italy each. By using two mathematical
equations, the estimation of the daily alimentary iodine uptake was
calculated. In addition, iodine determination was performed in 53
commercial complete feed for dogs and 38 commercial complete feed
for cats purchasable in France. Results were compared with data
published for Germany. Furthermore in the here presented study, the
stability of creatinine was investigated. It is an important
parameter in the determination of the iodine content in urine.
Iodine supply in dogs and cats from different regions of France and
from one region of Ireland and Italy each The iodine supply of the
dogs (n = 271) in the regions investigated was sufficient in 40 –
60 % of the animals. In none of the regions investigated an average
iodine supply below the recommendation of 15 µg iodine/kg BW/24h
could be found. These results were interpreted as a mild but evenly
spread iodine deficiency. However a group of kennel dogs fed
exclusively on a self prepared diet showed a too low iodine content
in urine without exeption. This demonstrated the often insufficient
iodine supply of self made diets; if fed regularly over a longer
period of time, a iodine supplement is necessary. Concerning the
iodine supply of cats (n = 96) the situation was more favorable. 80
- 90 % of the cats from the different regions had a sufficient
iodine supply; in none of the regions the average iodine supply
determined was lower than the recommended 21 µg/kg BW/24h. No
statement could be made about regional differences. In comparison
to data published for southern Germany, a similar situation of
iodine supply was noted. Iodine content of certain commercial
complete feed for dogs and cats in France A very broad range of
iodine content could be found in commercial complete feed for dogs
(26 dry- and 27 wet feed) as well as for cats (19 dry- and 19 wet
feed) purchasable in France. In dog feed the maximum ( 2114 µg
iodine/MJ ME) was 214 times higher than the minimum (9 µg iodine/MJ
ME), while in cat feed the maximum of 1890 µg iodine/MJ ME was 210
times higher than the minimum of 9 µg iodine/ MJ ME. Large
differences in iodine content could be found in different products
even from the same producer. The calculated requirements for dogs
of 75,6 µg iodine /MJ ME was reached by 58 % of the analysed dog
feed in France; in Germany it was 56 %. The calculated requirements
for cats of 95,5 µg iodine/MJ ME was reached by 50 % of the cat
feed in France; in Germany it was 47 %. The situation of iodine
supply in both countries in commercial dog and cat feed is almost
identical. Examination of the stability of creatinine The stability
of creatinine could be determined to be higher than found in
literature. In dog urine it was stable for at least 14 days at room
temperature.
was determined for 367 dog and cat urine samples taken from
different regions of France as well as random samples from one
region in Ireland and Italy each. By using two mathematical
equations, the estimation of the daily alimentary iodine uptake was
calculated. In addition, iodine determination was performed in 53
commercial complete feed for dogs and 38 commercial complete feed
for cats purchasable in France. Results were compared with data
published for Germany. Furthermore in the here presented study, the
stability of creatinine was investigated. It is an important
parameter in the determination of the iodine content in urine.
Iodine supply in dogs and cats from different regions of France and
from one region of Ireland and Italy each The iodine supply of the
dogs (n = 271) in the regions investigated was sufficient in 40 –
60 % of the animals. In none of the regions investigated an average
iodine supply below the recommendation of 15 µg iodine/kg BW/24h
could be found. These results were interpreted as a mild but evenly
spread iodine deficiency. However a group of kennel dogs fed
exclusively on a self prepared diet showed a too low iodine content
in urine without exeption. This demonstrated the often insufficient
iodine supply of self made diets; if fed regularly over a longer
period of time, a iodine supplement is necessary. Concerning the
iodine supply of cats (n = 96) the situation was more favorable. 80
- 90 % of the cats from the different regions had a sufficient
iodine supply; in none of the regions the average iodine supply
determined was lower than the recommended 21 µg/kg BW/24h. No
statement could be made about regional differences. In comparison
to data published for southern Germany, a similar situation of
iodine supply was noted. Iodine content of certain commercial
complete feed for dogs and cats in France A very broad range of
iodine content could be found in commercial complete feed for dogs
(26 dry- and 27 wet feed) as well as for cats (19 dry- and 19 wet
feed) purchasable in France. In dog feed the maximum ( 2114 µg
iodine/MJ ME) was 214 times higher than the minimum (9 µg iodine/MJ
ME), while in cat feed the maximum of 1890 µg iodine/MJ ME was 210
times higher than the minimum of 9 µg iodine/ MJ ME. Large
differences in iodine content could be found in different products
even from the same producer. The calculated requirements for dogs
of 75,6 µg iodine /MJ ME was reached by 58 % of the analysed dog
feed in France; in Germany it was 56 %. The calculated requirements
for cats of 95,5 µg iodine/MJ ME was reached by 50 % of the cat
feed in France; in Germany it was 47 %. The situation of iodine
supply in both countries in commercial dog and cat feed is almost
identical. Examination of the stability of creatinine The stability
of creatinine could be determined to be higher than found in
literature. In dog urine it was stable for at least 14 days at room
temperature.
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