Effects of storage time and exogenous xylanase supplementation of new season wheats on the performance of young male pigs

2003 ◽  
Vol 83 (1) ◽  
pp. 105-112 ◽  
Author(s):  
D. J. Cadogan ◽  
M. Choct ◽  
R. G. Campbell
Keyword(s):  
Feed Intake ◽  
Nutritive Value ◽  
Young Male ◽  
Wall Structure ◽  
Feed Conversion ◽  
Free Sugars ◽  
Key Words Wheat ◽  
Series Of Experiments ◽  
Daily Gain ◽  
Time Of Harvest

A series of experiments was conducted to investigate the influence of new season wheats on pig growth performance. Experiments were carried out on 10 different wheats at the time of harvest and 10 mo post-harvest. At harvest wheat, at a 65% level in the steam-pelleted diets, influenced (P < 0.01) feed intake and daily gain over a 21-d trial. Thus, feed intake and daily gain of pigs offered the lowest and highest quality wheats varied by 47 and 48%, respectively. There was, however, no effect on feed conversion ratio (FCR), even though dry matter (DM) digestibility and digestible energy (DE) values of different wheats differed significantly (P < 0.01 and P < 0.01, respectively). The non-starch carbohydrate (NSC) level of the wheats was measured as the sum of non-starch polysaccharides (NSP) and free sugars. The NSC level of the wheats negatively affected feed intake (r2 = -0.556: P < 0.01) and daily gain (r2 = -0.574: P < 0.01). After 10 mo of storage, the feed intake and daily gain of the pigs fed the same wheats were significantly (P < 0.01) higher, but not all the wheats responded to storage. A xylanase product was added to three of the 10 mo-old wheats, which were pre-characterized as low, medium and high intake wheats. The enzyme increased (P < 0.01) daily gain and feed intake of the pigs fed the low-quality wheat by 50.6 and 42.8%, respectively. It may be concluded that the nutritive value of wheat for weaner pigs varies widely and appears to be related to the level of NSC and the cell wall structure of the grain. Key words: Wheat, non-starch polysaccharides, non-starch carbohydrate, xylanase, pigs

scholarly journals Residual feed intake and relationships with performance of Nellore cattle selected for post weaning weight

2011 ◽  
Vol 40 (4) ◽  
pp. 929-937 ◽  
Author(s):  
T. Lucila Sobrinho ◽  
R.H. Branco ◽  
S.F.M. Bonilha ◽  
A.M. Castilhos ◽  
L.A. Figueiredo ◽  
...  
Keyword(s):  
Body Weight ◽  
Standard Deviation ◽  
Feed Intake ◽  
Average Daily Gain ◽  
Residual Feed Intake ◽  
Feed Conversion ◽  
Relative Growth ◽  
Kleiber Ratio ◽  
Nellore Cattle ◽  
Daily Gain

The objective of this work was to evaluate performance, efficiency parameters and phenotypic correlations among measurements of energy efficiency of Nellore cattle selected for post weaning weight and classified according to residual feed intake, calculated by the difference between observed and predicted intake, based on average metabolic body weight and average daily gain. Thus, animals were classified within three groups: high (> mean + 0.5 standard deviation, less efficient); medium (±0.5 standard deviation of the mean); and low (< mean - 0.5 standard deviation, more efficient) residual feed intake. No differences were observed at initial and final body weights, average daily gain and dry matter intake among groups. Animals with low residual feed intake also had greater feed efficiency, feed conversion and partial efficiency of growth and did not differ from the other animals regarding to relative growth rate and Kleiber ratio. Residual feed intake was significantly correlated to feed efficiency (-0.25), feed conversion (0.25), partial efficiency of growth (-0.37) and dry matter intake (0.16) but it did not present significant correlation with body weight (0.04), average daily gain (-0.02), relative growth rate (-0.03) and Kleiber ratio (-0.05). Significant correlations were found between feed conversion and initial body weight (0.34) and average daily gain (-0.46). Partial efficiency of growth presented significant correlation with all other efficiency parameters analyzed. Residual feed intake has high potential in productive efficiency, when compared to the other energy efficiency measurements, being independent of growth and size of the animals.

Interactions between weaning age, weaning weight, sex, and enzyme supplementation on growth performance of pigs

2002 ◽  
Vol 53 (8) ◽  
pp. 939 ◽  
Author(s):  
F. R. Dunshea ◽  
D. K. Kerton ◽  
P. D. Cranwell ◽  
R. G. Campbell ◽  
B. P. Mullan ◽  
...  
Keyword(s):  
Feed Intake ◽  
Feed Conversion ◽  
Large White ◽  
Weaning Weight ◽  
Exogenous Enzyme ◽  
The Third ◽  
Main Effect ◽  
Weaning Age ◽  
Enzyme Supplementation ◽  
Daily Gain

Digestive capacity of early-weaned pigs may be insufficient to fully digest many ingredients currently used in weaner diets. The aim of this experiment was to determine whether an exogenous enzyme preparation with broad carbohydrase activity could benefit pigs that developmentally might be immature at weaning, especially with regard to gastrointestinal development. Eighty Large White × Landrace pigs were used in a 2 × 2 × 2 × 2 factorial experiment with the factors being: weaning age (14 or 24 days), weaning weight (heavy or light), sex (boar or gilt), and dietary Biofeed Plus CT (0 or 500 μg/g) which contained fungal xylanases, pentosanases and β-glucanases. Pigs were housed individually and given a wheat-based (550 g/kg) diet containing 15.0 MJ DE and 15.9 g lysine/kg on an ad libitum basis for 21 days. The diet also contained 50 g/kg of soybean meal and 50 g/kg of lupin (Lupinus�angustifolius) kernels. The liveweights of heavy (H) pigs weaned at 24 or 14 days and light pigs (L) weaned at 24 or 14 days were 7.9 and 5.3 and 5.2 and 3.9 kg, respectively. Pigs weaned at 14 days grew slower (157 v. 345 g/day) than those weaned at 24 days, although there was a suggestion of an interaction between age and weight at weaning (P = 0.081). Thus, H and L pigs weaned at 14 days grew at 148 and 166 g/day, whereas H and L pigs weaned at 24 days grew at 374 and 315 g/day, respectively. Although there was no main effect of enzymes on daily gain (248 v. 254 g/day, P = 0.80), feed intake (278 v. 284 g/day, P = 0.79), or feed conversion ratio (1.19 v. 1.25, P�=�0.35), there were interactions with weaning age on daily gain (P = 0.050) and feed intake (P = 0.060). Pigs weaned at 14 days grew slower (176 v. 138 g/day) and ate less (206 v. 174 g/day), whereas pigs weaned at 24 days grew faster (321 v. 369 g/day) and ate more (351 v. 394 g/day), when supplemented with enzymes. During the third week after weaning there were interactions between dietary enzymes and sex (P = 0.060) and dietary enzymes and age (P = 0.023) on daily gain. Thus, pigs weaned at 24 days and supplemented with Biofeed Plus CT grew more quickly during the third week (559 v. 460 g/day), whereas the converse was true for pigs weaned at 14 days (286 v. 334 g/day). Also, enzyme-supplemented boars grew better over this period (457 v. 371 g/day), whereas the converse was true for gilts (388 v. 423 g/day). In conclusion, these data clearly indicate that the greatest determinant of post-weaning performance under the present conditions was the age of the pigs at weaning. Dietary enzyme supplementation appeared most efficacious in boars weaned at an older age, although benefits did not become apparent until 2 weeks after weaning.

scholarly journals Impact of sow lactation feed intake on the growth and suckling behavior of low and average birthweight pigs to 10 weeks of age

2020 ◽  
Vol 4 (2) ◽  
pp. 655-665
Author(s):  
Samuel J Hawe ◽  
Nigel Scollan ◽  
Alan Gordon ◽  
Elizabeth Magowan
Keyword(s):  
Feed Intake ◽  
Compensatory Growth ◽  
Average Daily Gain ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Foster Mother ◽  
Feed Conversion ◽  
Relative Growth ◽  
Sow Lactation ◽  
Daily Gain

Abstract Improved genetics in commercial pig production have resulted in larger litter sizes. However this has increased the prevalence of compromised pigs exhibiting inferior birthweights, weaning weights, and lifetime performance. This study aimed to determine the effects of increased sow lactation feed intake on growth of low and average birthweight piglets until 10 wk of age. Low (Low BW; &lt;1 kg) and average (Av BW; 1.3–1.7 kg) birthweight animals were reared in uniformly weighted litters comprising 14 piglets on a foster mother offered either a low (Low FA; max 7.5 kg/d) or high (High FA; max 11 kg/d) feed allowance over a 28- ± 1-d lactation. Piglet performance was monitored from birth until 10 wk of age. Sows offered a High FA consumed 42.4 kg more feed on average than those offered Low FA, resulting in a greater derived milk yield (P &lt; 0.05). Animals of Av BW remained heavier than Low BW pigs throughout the trial (P &lt; 0.05). Piglets reared by High FA sows were heavier at weeks 3, 4, 5, and 7 (P &lt; 0.05) but not week 10 (P &gt; 0.05). Growth rate of piglets relative to their birthweight was significantly greater for Low BW piglets than those of Av BW during lactation (P &lt; 0.001). Piglets reared by sows offered a High FA expressed greater relative growth preweaning (P &lt; 0.05); however, postweaning relative growth for piglets reared on sows offered a Low FA was greater (P &lt; 0.05) suggesting compensatory growth. Neither birthweight nor sow feed allowance significantly affected preweaning mortality (P &gt; 0.05). However, Low BW animals on sows with a High FA recorded half the preweaning mortality of Low BW pigs on sows with a Low FA. During week 1 of lactation, Av BW litters recorded a greater total suckling duration compared to Low BW litters (P &lt; 0.05) but there was no difference in suckling frequency (P &gt; 0.05). During week 3 of lactation, High FA litters displayed a significantly lower suckling frequency (P &lt; 0.05) yet a greater total suckling duration (P &lt; 0.001). Average daily gain was greater for Av BW pigs during weeks 4–7 (P &lt; 0.001) but no difference was recorded between weeks 7 and 10 (P &gt; 0.05). Average daily feed intake was greater for Av BW pigs throughout the nursery period (P &lt; 0.05) but feed–conversion ratio did not differ compared to Low BW pens (P&gt;0.05). In conclusion, offering sows a High FA increased weaning weight of all animals; however, birthweight was the major determinant of postweaning performance.

scholarly journals Metabolizable energy levels in diets with high lysine for growing and finishing pigs

2019 ◽  
Vol 40 (1) ◽  
pp. 365 ◽  
Author(s):  
Soraia Viana Ferreira ◽  
Lívia Maria dos Reis Barbosa ◽  
Camila Schultz Marcolla ◽  
Marcos Henrique Soares ◽  
Dante Teixeira Valente Júnior ◽  
...  
Keyword(s):  
Body Weight ◽  
Meat Quality ◽  
Feed Intake ◽  
Average Daily Gain ◽  
Metabolizable Energy ◽  
Feed Conversion ◽  
Water Losses ◽  
Final Body Weight ◽  
Metabolizable Energy Intake ◽  
Daily Gain

The objective of this experiment was to evaluate the effects of metabolizable energy (ME) levels in diets with high digestible lysine concentration on performance, carcass traits, and meat quality of barrows from 95 to 158 days of age. Eighty commercial hybrid barrows (50 ± 1.82 kg) selected for lean meat deposition, were assigned to four dietary treatments (3,150, 3,235, 3,320, and 3,400 kcal EM kg-1) in a randomized design with 10 replicate pens per treatment and two pigs per pen. From 95 to 116 days of age, we observed no effects of ME on final body weight (FBW), average daily gain (ADG), metabolizable energy intake (MEI), and feed conversion (F: G). Average daily feed intake (ADFI) decreased linearly with increasing ME levels (? = 5.79961 - 0.00096790X - r2 = 0.89). From 95 to 137 days of age, no effects of ME were observed on final body weight (FBW), average daily gain (ADG), metabolizable energy intake (MEI), and feed conversion (F: G). Average daily feed intake (ADFI) decreased linearly with increasing ME (?= 6.1176 - 0.001X - r2= 0.97). From 95 to 158 days, of age no effects of ME were observed on FBW and ADG. Dietary ME influenced the ADFI and F: G, which decreased linearly with increasing ME concentrations (?= 8.12951 - 0.00149X - r2= 0.99; ?= 6.0914 - 0.001X - r² = 0.75, respectively). There was a linear increase in loin eye area (LEA) with increasing ME (? = - 29.851 + 0.0207 X - r² = 0.87). Backfat thickness, pH, and temperature, measured at different times after slaughter (0 min, 45 min, 3 h, and 24 h), were not affected by dietary ME. The level of ME also did not affect the meat quality parameters Color L*, Color a*, Color b*, Warner-Bratzler shear force, thaw water losses, cooking water losses, sum of water losses, intramuscular fat content, and TBARS. Diets with 3,400 kcal kg-1 ME, corresponding to 2.75, 2.57, and 2.31 g digestible lysine/Mcal of ME for pigs from 95 to 116, 116 to 137, and 95 to 158 days of age, respectively, resulted in best performance and carcass traits, without negative effects on meat quality.

EFFECTS OF STEAM PELLETING DIETS CONTAINING TWO VARIETIES OF RAPESEED MEAL ON PIG PERFORMANCE

1979 ◽  
Vol 59 (3) ◽  
pp. 577-583 ◽  
Author(s):  
R. NARENDRAN ◽  
G. H. BOWMAN ◽  
S. J. SLINGER
Keyword(s):  
Energy Level ◽  
Soybean Meal ◽  
Feed Intake ◽  
Average Daily Gain ◽  
Rapeseed Meal ◽  
Backfat Thickness ◽  
Feed Conversion ◽  
Pig Performance ◽  
G Ratio ◽  
Daily Gain

An experiment was conducted during the late fall and winter months with 96 Yorkshire barrows and gilts to study the effects on pig performance of feeding corn-soybean meal (SBM) and lysine-HCl (0.1%) supplemented corn-SBM-Tower rapeseed meal (RSM) and corn-SBM-Candle RSM diets, in the form of mash (corn was medium-ground) and steam pellets. Average daily gain (ADG), feed intake, efficiency of feed conversion (feed to gain ratio, F/G) and carcass backfat thickness were measured in pigs reared from 23 kg to 91 kg liveweight. The energy level in the RSM diets was not adjusted to equal that in the corn-SBM diet. Pigs fed Tower RSM had a lower (P < 0.01) feed intake and backfat thickness and pigs fed Candle RSM had a lower (P < 0.01) ADG and feed intake and higher (P < 0.01) F/G compared to the pigs fed SBM. The pigs fed corn-SBM-Tower RSM had a higher (P < 0.01) ADG and feed intake and lower (P < 0.01) F/G ratio than those fed Candle RSM diets. Steam pelleting of the corn-SBM and corn-SBM-RSM diets improved ADG, feed intake and F/G of the pigs, with the effects being greatest for the RSM diets.

Effect of expanded diets on growth performance, meat quality and carcass characteristics in finishing pigs

2017 ◽  
Author(s):  
Xin Jian Lei ◽  
Jun Bae ◽  
Ju Lee ◽  
Sang Lee ◽  
In Kim
Keyword(s):  
Growth Performance ◽  
Meat Quality ◽  
Soybean Meal ◽  
Feed Intake ◽  
Carcass Characteristics ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Finishing Pigs ◽  
Feed Conversion ◽  
Daily Gain

The objective of the study was to evaluate the effects of expanded diets on growth performance, meat quality, and carcass characteristics in finishing pigs. A total of 80 finishing pigs [(Landrace × Yorkshire) × Duroc] were randomly allotted to two dietary treatments: 1) unexpanded corn-soybean meal diets; 2) expanded corn-soybean meal diets. Each treatment consisted of ten replicate pens with four pigs (2 gilts and 2 barrows) per pen. There were no differences in daily feed intake and daily gain throughout the experiment (P less than 0.05). However, expanded diets decreased feed conversion ratio compared with unexpanded diets (P less than 0.05). Expanded diets had no effect on carcass characteristics and meat quality with the exception of increased sensory evaluation (color) of meat compared with unexpanded diets (P less than 0.05). In conclusion, expanded diets can improve feed conversion ratio but have no effect on daily gain and daily feed intake and sensory evaluation of meat color.

Effect of xylanase supplementation of wheat-based liquid diets, for weaner pigs, steeped for 1 or 24 h before feeding

2013 ◽  
Vol 53 (6) ◽  
pp. 540 ◽  
Author(s):  
Katie A. l'Anson ◽  
Mingan Choct ◽  
Peter H. Brooks
Keyword(s):  
Feed Intake ◽  
Control Diet ◽  
Basal Diet ◽  
Feed Conversion ◽  
Large White ◽  
Available Lysine ◽  
Daily Gain ◽  
Positive Effect ◽  
Weaner Pigs ◽  
Entire Male

Seventy-two individually housed, entire male (Large White × Landrace) weaner pigs (28 days; 7.4 ± 0.4 kg) were used in a 26-day feeding trial. The pigs were allocated to one of six treatments in a 3 by 2 factorial design. The factors were (1) steeping duration of liquid feed [0 (dry control diet), 1 or 24 h], and (2) enzyme supplementation (0 or 300 ppm xylanase). The basal diet was wheat-based (65%) and was formulated to be marginally adequate for pigs of this age, containing 14.5 MJ digestible energy (DE)/kg and 0.85 g available lysine/MJ DE. Feeding pigs liquid diets steeped for 1 h increased feed intake (61 g/day; s.e.d. 17; P < 0.05) and daily gain (70 g/day; s.e.d. 17; P < 0.05) and improved feed conversion ratio (1.16 versus 1.22; s.e.d. 0.03; P < 0.05) compared with pigs fed dry diets. Performance was not further improved by steeping for 24 h. The addition of xylanase to the diets had no positive effect on any of the performance measures and was associated with a significant (40 g/day; s.e.d. 14; P < 0.05) reduction in feed intake. These results provide no support for supplementing liquid diets for weaner pig diets with xylanase.

scholarly journals The impact of raw and cooked wild cocoyam (Caladium bicolor) on the performance of broiler chicks

2012 ◽  
Vol 28 (1) ◽  
pp. 119-128 ◽  
Author(s):  
P.N. Onu ◽  
F.N. Madubuike
Keyword(s):  
Weight Gain ◽  
Feed Intake ◽  
Nutritive Value ◽  
Cost Savings ◽  
Conversion Ratio ◽  
Feed Conversion Ratio ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Randomized Design ◽  
The Impact

This study was carried out to evaluate the impact of raw and cooked wild cocoyam (Caladium bicolor) on the performance of broiler chicks. Wild cocoyam corms were divided into two batches. One batch was ground raw and the other batch was cooked before grinding. Wild cocoyam meals so prepared were used to formulate 5 broiler starter diets at dietary inclusion levels of 0, 10 and 20% raw and cooked wild cocoyam respectively. 180 7-day-old Anak broiler chicks were randomly allotted to the five treatment diets in a Completely Randomized Design (CRD) and each group was further subdivided into three replicates of 12 birds. Measurements recorded included weight gain, feed intake, feed conversion and protein efficiency ratios and economics of production. Results shows significant (p<0.05) improvement in feed intake, weight gain, feed conversion ratio and PER of birds fed cooked wild cocoyam meals. Marked (p<0.05) reduction was however, obtained in feed intake and feed conversion ratio of birds fed raw wild cocoyam diets. There was no significant (p>0.05) difference between birds fed maize-based (control) and cooked wild cocoyam diets. Results of this experiment indicated that cooking improved the nutritive value of wild cocoyam since birds fed cooked wild cocoyam diets produced best results than those fed raw wild cocoyam meal and that starter broilers could tolerate up to 20% dietary inclusion level of cooked wild cocoyam without any deleterious effect. Economics of production showed that cooked wild cocoyam diets were more profitable as regards the cost of feed per kg weight gain (N) and thus cost savings (%).

scholarly journals Effect of feeding high yielding fodders on growth performance of growing Hilly Brown Bengal goat

2021 ◽  
pp. 73-81
Author(s):  
MM Rahman ◽  
NR Sarker ◽  
MA Alam
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Growth Performance ◽  
Feed Intake ◽  
Body Weight Gain ◽  
Average Daily Gain ◽  
Feed Conversion ◽  
Treatment Groups ◽  
Natural Grass ◽  
Daily Gain

This study was carried out to evaluate the feeding effect of high yielding fodders (HYF) on feed intake and growth performance of growing Hilly Brown Bengal (HBB) goat. For this purpose, a feeding trail was conducted with 16 growing HBB kids (4 to 5 months) by dividing equally in four groups having four replicates for a period of 75 days. The goats in group T0 (control) received natural grass along with 101.30g concentrates and adlibitum cowpea hay, whereas in group T1, T2 and T3, only natural grass was replaced by BLRI Napier 3, BLRI Napier 4 and Ruzi fodder, respectively. Total dry matter intake (DMI), roughages DMI, crude protein intake (CP), body weight gain (kg), average daily gain (g) and forth night body weight gain (g/day) were studied. Results revealed that, DMI (288.39, 285.71, 293.48 and 301.35 g/day in group T0, T1, T2 and T3, respectively), body weight gain (3.60, 3.74, 3.73 and 3.77 kg in group T0, T1, T2 and T3, respectively), average daily gain (47.32, 49.16, 49.12 and 48.92 g in group T0, T1, T2 and T3, respectively) and feed conversion ratio (6.2, 5.9, 6.0 and 6.1 in group T0, T1, T2 and T3, respectively) of HBB kids were not differed significantly (P>0.05) for all the treatment groups. The DMI from roughages (196.2, 193.5, 201.3 and 209.2 g/day in group T0, T1, T2 and T3, respectively) and CP intake (38.7, 42.1, 48.3 and 38.8 g/day in group T0, T1, T2 and T3, respectively) were significantly varied (P<0.05), while highest CP intake was found in the treatment group T2. Forthnight body weight (g/day) was not significantly (P>0.05) gained with feeding of HYF for all the treatment groups. From this study, it can be concluded that, growing HBB kids could equally be supplied with either BLRI Napier 3 or BLRI Napier 4 or Ruzi fodder in addition to ad libitum cowpea hay for better voluntary feed intake and growth. Bang. J. Livs. Res. Vol. 27 (1&2), 2020: P. 73-81

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