Here's a breakdown:
High in Nitrogen (N):
* Horses: High in nitrogen, but can be hot and take time to break down.
* Chickens: Excellent source of nitrogen, especially when mixed with wood shavings for bedding.
* Pigs: Similar to chicken manure, high in nitrogen and phosphorus.
* Rabbits: High nitrogen content, but often mixed with straw for bedding.
High in Phosphorus (P):
* Cattle: Generally well-balanced in nutrients, but can be bulky.
* Sheep: Similar to cattle, but smaller quantities.
* Goats: Good source of phosphorus, but often contains weed seeds.
Other Considerations:
* Composting: Manure is often composted to break down harmful bacteria and pathogens, and to enhance its nutrient content.
* Age: Young animals tend to have manure with higher nitrogen content.
* Diet: The animal's diet can impact manure composition.
* Plant Needs: Different plants have varying nutrient requirements.
For the best results, consider:
* Specific plant requirements: Research the ideal nutrient ratios for your chosen plants.
* Local availability: Assess what types of animal manure are easily accessible.
* Composting method: Understand the process and time required to compost different types of manure.
Ultimately, the best animal for your fertilizer needs depends on your specific situation and goals.