Immune Responses Associated with Resistance to Haemonchosis in Sheep

Table 1

Comparative studies of susceptibility/resistance to Haemonchus contortus or gastrointestinal nematodes between sheep breeds.

Resistant breed	Susceptible breed	Parasite	Infection	Evaluated parameters	References
Florida Native	Saint Croix and crossbred Dorset × Rambouillet	H. contortus	AI	Par, Hem, Immunol, Hist	[29]
Saint Croix	Dorper	H. contortus	NI	Par, Bioch, Immunol, Hist	[30]
Florida Native	Suffolk and Rambouillet	H. contortus	NI y AI	Par, Hem, Bioch, Immunol	[31, 32]
Red Maasai	Blackheaded Somali, Dorper and Romney Marsh	GINs	NI	Par, Hem	[1]
Castellana	Nil	H. contortus	AI	Par, Immunol	[33]
Florida Native and Pelibuey	—	GINs	NI	Par, Hem, LW	[34]
Rhön	Nil	Trichostrongylus spp.	NI	Par, Hem, Bioch	[35]
German Merino	Rhön	H. contortus	AI	Par, Hem, Immunol	[36]
Sabi	Dorper	GINs	NI	Par, Hem, LW	[37]
Blackbelly	INRA 401	H. contortus and Trichostrongylus colubriformis	AI	Par	[38]
Crossbred Saint Croix × Blackbelly	Crossbred
	Dorset (50%),	GINs	AI y NI	Par	[6]
	Rambouillet (25%)
	Finnsheep (25%)
Katahdin and crossbred Blackbelly × Saint Croix	Dorper and Dorset	H. contortus	AI	Par, Hem, LW	[39]
Gulf Coast Native	Suffolk	GINs	NI	Par, Hem	[40]
Saint Croix	Katahdin and Dorper	GINs	NI y AI	Par, Hem, LW	[41]
Saint Croix	Katahdin and Suffolk	GINs	NI	Par, Hem, LW	[42]
Crioula Lanada of Brasil	Corriedale	H. contortus	NIT	Par, Bioch, Hem, Hist	[11]
Red Maasai	Dorper	H. contortus	AI	Par, Hem, LW, MP	[43]
Santa Ines	Ile de France	H. contortus	AI	Par, Hem, Bioch, Hist, Immunol, LW	[44]
Santa Ines	Suffolk and Ile de France	GINs	NI	Par, Hem, Hist, Immunol	[45]
Texel	Suffolk	GINs	NI	Par, Hist	[46]
Blackbelly	Columbia	H. contortus	AI	Par, Hem, Hist, Immunol	[47]
Blackbelly	INRA 401	H. contortus	AI	Par, Hist, Immunol	[48]
Lohi	Thalli and Kachhi	H. contortus	AI y NI	Par, Hem, Bioch, Hist, LW	[49]
Criolla Native to the Central Mexican Plateau	Suffolk	H. contortus	AI	Par, Hem, FT, LW	[14]
Gulf Coast Native	Suffolk	H. contortus	AI	Par, Immunol	[50]
Santa Ines	Ile de France	H. contortus	AI	Par. Immunol	[51]
Canaria Hair	Canaria	H. contortus	AI	Par.	[52]

NI: natural infection; AI: artificial infection; GINs: gastrointestinal nematodes; Par: parasitological (fecal eggs count, worm burden, etc.); Hem: hematological (packed cell volume, blood eosinophils, etc.); Immunol: immunological (antibodies); Hist: cellular count in abomasum (eosinophils, leucocytes, mast cells, etc.); Bioch: biochemical (serum protein, albumin, etc); LW: live weight; MP: mortality percentage FT: FAMACHA test.