Collation (meal) on Christian fasting days of Lent (Ash Wednesday and Good Friday), the Catholic Church prescribes "one full meal, as well as two smaller meals that together are not equal to a full meal". Similarly, an Evangelical Lutheran publication delineating fasting guidelines states that "On fasting days, two ¼ meals are eaten, and one regular meal in the evening". The Traditional Saint Augustine's Prayer Book: A Book of Devotion for Members of the Anglican Communion defines "Fasting, usually meaning not more than a light breakfast, one full meal, and one half meal, on the forty days of Lent." The French court
Fish meal has increased accordingly, but harvests are regulated and supply cannot expand. This has led to a trend towards use of other ingredients such as soybean meal, cottonseed meal, leftovers from processing from corn and wheat, legumes, and algae, and an increase in research to find alternatives to fish meal and alternate strategic uses (for instance, in the growth phase, after newborn fish are established). Unmodified fish meal can spontaneously combust from heat generated by oxidation of the polyunsaturated fatty acids in the meal. In the past, factory ships have sunk because of such fires. That danger has been eliminated by