Effect of Formaldehyde-Protected Diets on Milk Yield, Composition and Some Blood Biochemical Parameters in Karadi Ewes

Abstract

An experiment was conducted to study the effect of feeding formaldehyde-treated diets on milk yield, composition and some blood biochemical parameters of Karadi ewes in mid lactating period. Nine lactating Karadi ewes in their second lactation and weighing 43.42 ± 0.4 kg were used in this study. Following one-week adaptation period, the ewes were allocated into 3x3 Latin-square and fed three different diets, the 1st untreated basal diet (T1), the 2nd barley 75%, wheat bran 7% and soybean meal 10% treated with formaldehyde 9l/ton (T2) and 3rd group wheat bran7% and soybean meal 20% treated with formaldehyde (T3). The ewes were offered 1.750 kg/ewe of concentrate in addition to grazing for 5-6 hr per day. Results showed that the ewes fed T2 and T3 diets had a higher (P<0.05) daily milk yield as well as milk fat, protein and lactose yield than ewes fed control diet. Blood urea concentration was higher (P<0.05), but albumin, triglyceride and glucose was lesser (P<0.05) in ewes given T2 and T3 diets than those fed T1 diet. It can be concluded that feeding Karadi ewes formaldehyde-treated diet improved milk yield and increased milk’s total solids.

The Effect of Saccharomyces cerevisiae Yeast Enriched with Selenium and Zinc on Some Physiological Traits and Milk Production of Female Shami Goats

“…S. Cerevisiae supplementation dramatically reduced the amount of milk fat in ruminants (Zaworski et al, 2014). Supplementing with S. Cerevisiae also markedly boosted the amount of total protein in ewe milk (Mustafa, 2022). S. Cerevisiae altered the protein content of milk as well.…”