Effects of adding corn silage to the diet of dairy calves on the weight gain, dry matter intake, and chemical blood parameters before weaning

Badiee, Arya; Naserian, Abbas Ali; Jones, G. H.; Razavi, Seyed Amin

doi:10.1007/s00580-021-03291-4

Cited by 1 publication

(3 citation statements)

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“…The results showed a decrease in the DM content of the diet by replacing corn silage with canola silage. Moreover, there was an increase in the CP, NDF, and ADF of experimental diets, which might be due to the higher fiber content of canola silage, compared to corn silage [7][8][9][10][11][12][13] . The DMI values between experimental treatments were significantly different (Table 3).…”

Section: Resultsmentioning

confidence: 99%

“…The NDF content in the ruminants' diet is an important chemical predictor of DMI 17 . The DMI has a positive correlation with NDF concentration and limits food intake 10,18 . Therefore, an increase in the NDF content of diets caused by substituting corn silage with canola silage can effectively limit DMI 9,19 .…”

Section: Resultsmentioning

confidence: 99%

“…Diet samples (0.5 kg) were collected during the experiment and stored at -20°C until analysis. The DM content of the experimental diet was determined by drying in the oven at 55°C for 48 hours 10 .…”

Section: Experimental Designmentioning

confidence: 99%

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Effect of Replacing Corn Silage with Canola Silage on Feed Intake, Nutrient Digestibility, Milk Yield, and Thyroid Hormones of Lactating Dairy Cows

Balakhial

Naserian

Moussavi

et al. 2022

Farm Anim. Health Nutr.

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Introduction: Providing good quality forage in dairy cattle diet is vital for the dairy farm industry. Canola forage was newly added to dairy cows’ diet in Iran. The present study aimed to determine the effects of replacing corn silage with canola silage on feed intake, apparent digestibility, milk yield, milk composition, and thyroid hormone levels of dairy cattle in Mashhad, Iran. Materials and methods: Nine Holstein cows were used in this study and were allocated in a 3×3 change over Latin square design study. The trial consisted of 3 periods, each lasting for 20 days. The first 15 days were considered an adaptation period. Experimental diets were formulated to provide 33% of the total dry matter (DM) as forage. Canola silage was substituted with corn silage at levels of 0, 50, and 100% of DM. Results: Dietary concentrations of neutral detergent fiber (NDF) and acid detergent fiber increased when corn silage was replaced by canola silage. Replacing corn silage with canola silage caused a significant decrease in DMI. The apparent digestibility of DM and crude protein were not affected by the dietary replacement of corn silage with canola silage; however, organic matter and digestibility of NDF decreased significantly. When corn silage was replaced by canola silage, there were no significant changes in milk yield, fat-corrected milk, and milk composition in the investigated cattle, but milk protein changed significantly. The results indicated that 50% substitution of canola silage caused higher milk protein. Rumen fluid pH and its ammonia nitrogen concentration increased significantly in experimental animals. The concentrations of T3 and T4 decreased, whereas blood urea nitrogen concentration increased by dietary replacement of corn silage with canola silage. Conclusion: Canola silage can be substituted with corn silage, and feeding canola silage can be beneficial in some aspects.

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