my chicken story...

hello,
my name is MONI,
im a student in pakistan of information technology,
i love to pet chikens
I am byc user since 6 months or more,
but i am wandering to which forum i shud introduce my self and give this kind of info... p any ways
i like chicks very much...
i mean chickens ....
so i have a rooster, (now hes dead), and chiken(dead too){they are normal chikens like we watch in tv and cartoon}
and 2 fancy brown chiken they were cute though..(dead too !!)
so now i have 2 chickens alive 1 is small and 1 is bigg (the big one in our language we called it aseel)
they are basically long leged hens and tall from other hens,
so my story is ..that these dead chickens..died i dont know whyyy??
first they were making sound like somthin stuck in their thought,
after some time they starts sneezing,
and totally left eating food
so i searched up internet i found its the symtom of gap worm,
so i called the doctor and he gave me the medicine
named TRACBACTARIAL so i gave them mixed the liquid with water,
so 2nd day when i checked my hens in order to check efffect of medicine
my hen got more sick !!!!!!!!
and then i cared too much of my hens...
but nothin happend
they kept swallowing like somthin...
and were hard to breath..
so some 1 please tell me how to treat this problem??
1 thing more , 5 years back i also did raised the chickens.. but my all chickens die like the same problem....
i dont know why they always die like this??
any help wud be very very appreciated!!
thanks in advance

 

no i bought those chickens when they were chick too small...
but when they get ful age after some time they left up eating and sneezes and at the end they look like its hard for breathing for them

 

so what shud be medicine for respiratory problem?