Table 3.

The effects of dietary alfalfa supplementation on the growth performance and diarrhea of piglet.

Feeding stage	Alfalfa addition form	Amount	Main results	References
Weaned piglets	Alfalfa	12%	ADG ↑; ADFI ↑; Piglets diarrhea ↓	(54)
Piglets	Alfalfa meal	5%	The ratio of diarrhea ↓; Piglet mortality ↓	(55)
Piglets	Alfalfa fiber	5%	ADG ↑; G:F ↑; SCFAs ↑; The relative abundance of cellobiolytic and anti-inflammatory bacteria ↑; Piglets diarrhea ↓	(56)
Weaned piglets	Alfalfa meal	20%	The digestive transit time ↓; The digestibility of NDF and ADF ↓	(57)
Piglets	Alfalfa meal	20%	The apparent digestibility of dry matter, nitrogen and energy ↓	(58)
Piglets	Dehydrated alfalfa meal	Fed at 0, 1 or 2% of body weight daily.	The digestibility of dry matter, nitrogen and energy ↓	(59)
Suckling piglets	Alfalfa	1.3%	The abundance of Coprococcus eutactus ↑; The abundance of potential pathogen Streptococcus suis ↓; Butyric acid in the intestine ↑	(60)