“Pig Reproduction Guide: Why Sows Fail to Conceive and How to Boost Fertility”
🐖 Why Your Sow Isn’t Getting Pregnant Complete Guide to Pig Fertility, Breeding & Farm Success 📘 Introduction Pig farming is one of the most profitable livestock businesses when managed properly. However, one major challenge farmers face is when a sow fails to get pregnant. This guide explains the main causes and how to fix them to improve productivity and profits. 🧬 Understanding Sow Reproduction A sow’s reproductive cycle lasts 18–24 days , averaging 21 days. Cycle Stages Proestrus – Preparation Estrus (Heat) – Fertile period Metestrus Diestrus Only during heat can a sow get pregnant. ⏱️ 1. Wrong Timing (Missed Heat) Signs of Heat Swollen vulva Restlessness Mounting behavior Standing still when pressed Best Breeding Time Gilts: 12–24 hours after heat starts Sows: 24–36 hours after heat starts Use the AM–PM rule for better timing. 🧬 2. Infertile Boar A poor-quality boar can prevent pregnancy even i...