What is the likely outcome of pigs affected by leptospirosis?

Pigs affected by leptospirosis often experience a range of health issues that can significantly impede their growth and overall well-being. This bacterial infection can lead to symptoms such as fever, lethargy, and reproductive problems, which subsequently result in decreased feed intake and poor weight gain. The presence of leptospirosis can also cause complications like kidney damage, which further hinders their ability to absorb nutrients properly. Consequently, these factors contribute to a hampered growth rate, making it the most likely outcome for pigs that contract this disease. The other options do not align with the effects of leptospirosis, highlighting the importance of understanding this disease's impact on swine health.