In todayâs world, weaning is not done to aid the mother. Rather, it is done because puppies generally make their way to their new home at about seven weeks of age, and since their mother is not going with them, the pups need to have their gastrointestinal tracts accustomed to eating commercially prepared foods.
Causes of stomach ulcers. Stomach ulcers are usually caused by Helicobacter pylori (H. pylori) bacteria or non-steroidal anti-inflammatory drugs (NSAIDs). These can break down the stomach's defence against the acid it produces to digest food, allowing the stomach lining to become damaged and an ulcer to form.
Ulcer Cause: The National Institutes of Health has confirmed that peptic ulcers can be caused by a bacterium and drug therapy can prevent a recurrence in 90% of cases. An NIH panel stated Wednesday that Helicobacter pylori plays a significant role in causing peptic ulcer, which can be cured with a combination of bismuth, tetracycline and metronidazole.