Lowland sheep management systems.
D000367:Age Factors; D000383:Agriculture; D000531:Altitude; D000821:Animal Feed; D000818:Animals; D004467:Economics; D005260:Female; D005298:Fertility; D006128:Growth; D006799:Housing, Animal; D008297:Male; D009349:Nematode Infections / Q000517:prevention & control / Q000662:veterinary; D006109:Poaceae; D011225:Pre-Eclampsia / Q000662:veterinary; D011247:Pregnancy; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control; D013290:Streptococcal Infections / Q000517:prevention & control / Q000662:veterinary